'THE PRESENT EVOLUTION OF MAN.'.
scientific article published on 01 October 1897
A Beautiful Crane-Fly From Siam
article by Theodore Dru Alison Cockerell published 1929 in Psyche
A CHECK LIST OF THE NEARCTIC COCCIDÆ
scientific article published in February 1894
A COMMON SUMACH GALL PRODUCED BY A MITE
scientific article published on 01 December 1910
A Catalogue of the Bees of California
scientific article published in 1903
A Check-List of African Coccidae
checklist
A Curious Case of Protective Coloration
scientific article published in 1897
A DATE-PALM SCALE INSECT
scientific article published on 01 March 1899
A FOSSIL CATERPILLAR.
scientific article published in June 1907
A FOSSIL FISH OF THE FAMILY CALLICHTHYIDAE.
scientific article
A FOSSIL GAR-PIKE FROM UTAH.
scientific article
A FOSSIL TORTRICID MOTH
article by Theodore Dru Alison Cockerell published December 1907 in The Canadian Entomologist
A FOSSIL WATER-BUG
scientific article published in 1906
A Fossil Buttercup
⬇️
scientific article published in Nature
A Fossil Caddis-case
scientific article published in Nature
A Fossil Tsetse-fly in Colorado
article by Theodore Dru Alison Cockerell published August 1907 in Nature
A GALL-MAKING COCCID IN AMERICA
scientific article published on 01 September 1896
A GROUP OF AMERICAN HALICTINE BEES SIMULATING THE OLD-WORLD GENUS NOMIOIDES
A Gall-making Cynipid Fly in Jamaica
article by Theodore Dru Alison Cockerell published April 1902 in Nature
A Greenish Meteor
A HORNED LIZARD AT A HIGH ALTITUDE
scientific article published in Science
A LACUSTRINE APHID
scientific article published in Science
A Link in the Evolution of the Bees
⬇️
A Lunar Rainbow
article by Theodore Dru Alison Cockerell published August 1888 in Nature
A Miocene Wasp
A Mutation of the Columbine
scientific article published in Nature
A NEW CANADIAN ANDRENA (HYMENOPTERA, APOIDEA)
scientific article published in 1932
A NEW COCCID ON THE COCOANUT PALM
A NEW DIPTEROUS PARASITE OF BATS
A NEW FOSSIL SAWFLY FROM FLORISSANT, COLORADO
A NEW FOSSORIAL WASP FROM QUEENSLAND
A NEW GALL-GNAT ON ARTEMISIA
⬇️
scientific article published in 1909
A NEW LAC–INSECT FROM JAMAICA
article by Theodore Dru Alison Cockerell published July 1893 in The Canadian Entomologist
A NEW LEAF-CUTTING BEE FROM THE HAWAIIAN ISLANDS
scientific article published in May 1920
A NEW LOCALITY FOR MIOCENE MAMMALS
scientific article published on 01 November 1908
A NEW MINNOW FROM COLORADO
scientific article published on 01 November 1911
A NEW PARASITIC BEE FROM NEW GUINEA
A NEW PLANT-LOUSE INJURING STRAWBERRY PLANTS IN ARIZONA
A NEW PULVINARIA FOUND ON ORCHIDS
scientific article published in May 1895
A New Aleurodes Found on Aquilegia
scientific article
A New Aleurodes on Rubus from Florida
scientific article
A New Bee From Oregon
scientific article published in 1924
A New Bee of the Genus Emphor
scientific article published in 1913
A New Bee of the Genus Senecio Andrena Visiting Senecio
scientific article published in 1928
A New Crayfish from New Mexico
scientific article
A New Form of Pulvinaria
scientific article published in 1898
A New Fossil Moth From Florissant
⬇️
article by Theodore Dru Alison Cockerell published 1 January 1926 in Psyche
A New Genus of Chalcidoid Hymenoptera (Callimomidæ)
scholarly article by Theodore Dru Alison Cockerell published 1926 in Psyche
A New Genus of Mayflies From the Miocene of Florissant, Colorado
⬇️
scientific article published in 1923
A New Genus of Stenopelmatinæ (Orthoptera) from New Mexico
scientific article
A New Heliotropium
scientific article
A New Hemileuca
scientific article published in 1898
A New Locality for Jurassic Insects
scientific article published in Nature
A New Meloid Beetle Parasitic on Anthophora
scientific article published in 1899
A New Sophia
scientific article
A New Sphaeralcea
scientific article
A New Thynnid Wasp From New Caledonia
scientific article published in 1929
A New Variety of Argynnis Nitocris
⬇️
scholarly article published in 1900
A New Wax Scale From the Argentine
article
A New Weasel from New Mexico
A PARASITE OF DERMESTID BEETLES IN ENTOMOLOGICAL COLLECTIONS
scientific article published in February 1920
A PARASITE OF THE GOLD-FISH
scientific article published on 01 December 1926
A PECULIAR DERMAL ELEMENT IN CHIHAeROID FISHES
scientific article published on 01 September 1913
A POINT IN NOMENCLATURE.
scientific article
A PROGRAM FOR BIOLOGISTS
scientific article published on 01 June 1926
A Psychological Analysis of Radicalism
scientific article published in Nature
A REPLY TO MR. MARLATT'S ARTICLE ON SOURCES OF ERROR IN RECENT WORK ON COCCIDae
scientific article published on 01 July 1899
A SUGGESTION AS TO THE CARE OF TYPES
scientific article published on 01 August 1910
A Southern Race of Datana Perspicua Gr. and Rob. (Var. Mesillae)
scientific article published in 1897
A Suggestion for the Indexing of Zoological Literature
A Supplementary Note to Mr. Johnson's List of Jamaican Diptera
scientific article
A TIPULID FLY FROM BALTIC AMBER
article by Theodore Dru Alison Cockerell & Grace E. Clark published April 1918 in The Canadian Entomologist
A Tertiary Leaf-cutting Bee
A Variable Larkspur
scientific article
A WINE-RED SUNFLOWER
scientific article published on 01 August 1913
A bee resembling a wasp
A catalogue of the generic names based on American insects and arachnids from the Tertiary rocks, with indications of the type species
⬇️
scientific article published in 1909
A contribution to the classification of the Coccidae
article published in 1902
A fossil cicada from Florissant, Colorado
⬇️
scientific article published in 1906
A fossil cicada from Florissant, Colorado. Bulletin of the AMNH ; v. 22, article 26
1906
A fossil larrid wasp
⬇️
scientific article published in 1908
A fossil larrid wasp. Bulletin of the AMNH ; v. 24, article 24
1908
A fossil moth from Florissant, Colorado. American Museum novitates ; no. 34
1922
A gall-gnat of the prickly pear cactus
scientific article
A new bee from Chile
⬇️
scientific article published in 1937
A new bee from the Argentine Republic
⬇️
scientific article published in 1940
A new bee of the genus Pasiphaë from Peru
⬇️
scientific article published in 1939
A new diaspine coccid from South Africa
⬇️
scientific article published in 1929
A new fly (fam. Mycetophilidae) from the Green River beds
scientific article published in April 1907
A new genus of Australian bees
article
A new gooseberry plant-louse
article published in August 1901
A new race of Australian Helicidae
scholarly work
A new slug from the Himalaya Mountains
⬇️
scientific article published in 1913
A new slug from the Himalaya Mountains. Bulletin of the AMNH ; v. 32, article 41
1913
A report on some Miocene Diptera from Florissant, Colorado
⬇️
scientific article published in 1949
A small collection of bees from Tasmania
ABBREVIATIONS OF NEW MEXICO
scientific article published on 01 July 1903
ABSTRACTS FOR EVOLUTIONISTS
scientific article published on 01 October 1907
ADDITIONAL NOTE ON RETICULATED FISH-SCALES
scientific article published on 01 July 1911
AFRICAN BEES OF THE GENUS ANTHOPHORA (HYM.)
scientific article published in 1936
AFRICAN NOMIINE BEES (HYMENOPTERA)
scientific article published in 1946
AMETHYSTINE GLASS
scientific article published on 01 May 1908
AN ALIEN CLEMATIS IN NEW MEXICO
scientific article published on 01 December 1899
AN EARLY OBSERVATION ON THE RED SUNFLOWER
scientific article published on 01 January 1915
Abnormal Leaves and Flowers
Additions to the fauna of Mexico (bees and Coccidae)
article
African Bees Of The Genus Nomia (Hymen.)
African Honey Bees
scientific article published in Nature
African bees of the genus Allodapula
⬇️
scientific article published in 1936
African bees of the genus Colletes
⬇️
scientific article published in 1936
African bees of the genus Heriades
⬇️
scholarly article
African bees of the genus Nomioides
⬇️
scientific article published in 1936
African hylaeine bees
⬇️
scientific article published in 1936
Aleurodicus Mirabilis
scientific article published in 1899
Alpine Rubi
scientific article published in Nature
Alteration in the Colours of Flowers by Cyanide Fumes
Ambidexterity
⬇️
An Ancient Foxtail Pine
scientific article published in Nature
An Ancient Wasp
scientific article published in Nature
An enumeration of the localities in the Florissant Basin, from which fossils were obtained in 1906
⬇️
scientific article published in 1907
Another Fossil Nemestrinid Fly.
Another Question of Nomenclature
scientific article
Arthropods in Burmese Amber
scholarly article by Theodore Dru Alison Cockerell published 1917 in Psyche
Arthropods in Burmese amber
Ashmunella, a New Genus of Helices
scientific article
Australian Bees in the Museum of Comparative Zoology
article
Australian bees of the genus Euryglossa
article
Australian bees. i. A new Crocisa, with a list of the Australian species of the genus
article
Australian halictine bees
article
BEES FROM THE SOLOMON ISLANDS
scientific article published in 1936
BEES OF THE GENUS NOMIA FROM AFRICA
scientific article published in 1932
BEES VISITING HELIANTHUS
scientific article published in 1914
BEETLES OF THE GENUS DONACIA FROM THE PLEISTOCENE OF VANCOUVER ISLAND, BRITISH COLUMBIA:
BIOLOGICAL CONTROL OF THE PRICKLY PEAR
scientific article published on 01 March 1929
BIOLOGICAL RESEARCH AND PUBLICATION
scientific article published on 01 April 1945
BUSINESS METHODS
scientific article published on 01 March 1925
Bees Collected by Charles Darwin on the Voyage of the 'Beagle'
scientific article
Bees Collected by Mrs. Maurice T. James in Pingree Park, Colorado
scientific article published in 1933
Bees Collected by Nathan Banks in the Vicinity of the Panama Canal
scientific article published in 1928
Bees collected at Borego, California, by Wilmatte P. Cockerell & Milene Porter
scholarly article published in 1933
Bees collected by the Reverend O. Piel in China
⬇️
scientific article published in 1931
Bees collected in Arizona and California in the spring of 1937
⬇️
scientific article published in 1937
Bees from British Guiana
⬇️
scientific article published in 1918
Bees from British Guiana. Bulletin of the AMNH ; v. 38, article 20
1918
Bees from Central America, Principally Honduras
article published in 1949
Bees from Ecuador and Peru
scientific article
Bees from Eritrea, northwest Africa
⬇️
scientific article published in 1935
Bees from Mesa Verde, Colorado, in the American Museum of Natural History
⬇️
scientific article published in 1930
Bees from Morocco
⬇️
scientific article published in 1937
Bees from Prince Albert Park, Saskatchewan
⬇️
scientific article published in 1938
Bees from the Australian region
⬇️
scientific article published in 1929
Bees from the Tonga and Samoa Islands.
Bees in the Australian Museum collection
⬇️
Bees in the collection of the U. S. National Museum. 1
Bees in the collection of the United States National Museum
scholarly article by Theodore Dru Alison Cockerell published 1911 in Proceedings of the United States National Museum
Bees in the collection of the United States National Museum.—3
scientific article published in 1919
Bees in the collection of the United States National Museum.—4
scholarly article by Theodore Dru Alison Cockerell published 1922 in Proceedings of the United States National Museum
Bees obtained by Professor Claude R. Kellogg in the Foochow District, China : with new records of Philippine Bombidae
⬇️
scientific article published in 1931
Bees of the Genus Nomada from California
scientific article
Bees of the genera Halictus and Ceratina from Siam
⬇️
scientific article published in 1937
Bees of the genus Panurginus obtained by the American Museum Rocky Mountain Expeditions. American Museum novitates ; no. 36
1922
Bees of the genus Perdita from the Western States. American Museum novitates ; no. 33
1922
Bees of the genus Sphecodes from Saskatchewan
⬇️
scientific article published in 1937
Bees, chiefly Australian species, described or determined by Dr. H. Friese
⬇️
scientific article published in 1929
Biological Notes on Some Coleoptera from New Mexico
scientific article
Biological Work in Russia, Siberia and Turkestan
scientific article published in Nature
Botanical Nomenclature
⬇️
Botanical Taxonomy
scientific article published in August 1946
British Insects
British fossil insects
article by Theodore Dru Alison Cockerell et al published 1915 in Proceedings of the United States National Museum
CLIMATE AND THE VARIATION OF SLUGS
scientific article published on 01 June 1893
CONN'S "BIOLOGY"
scientific article published on 01 February 1913
Changes in Faunæ due to Man's Agency
⬇️
Chapman's Zebra
Coccidæ Collected in Mexico by Messrs. Townsend and Koebele in 1897
scientific article
DISCUSSION AND CORRESPONDENCE
De Vriesian Species
Description of Tertiary Insects
Descriptions and records of Coccidae. [1]
⬇️
scientific article published in 1914
Descriptions and records of Coccidae. [1]. Bulletin of the AMNH ; v. 33, article 25
1914
Descriptions and records of Coccidae. [2]
⬇️
scientific article published in 1915
Descriptions and records of Coccidae. [2]. Bulletin of the AMNH ; v. 34, article 2
1915
Descriptions and records of Coccidae. [3]
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scientific article published in 1915
Descriptions and records of Coccidae. [3]. Bulletin of the AMNH ; v. 34, article 13
1915
Descriptions of New Bees Collected by Mr. H. H. Smith in Brazil. II
scientific article
Descriptions of New Bees Collected by Mr. H. H. Smith in Brazil: I
scientific article
Descriptions of New Hymenoptera
scientific article published in 1895
Descriptions of New Hymenoptera
Descriptions of Tertiary insects, V; some new Diptera
Descriptions of Tertiary insects, VI
Descriptions of Tertiary insects, VII
Descriptions of Tertiary plants
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Descriptions of some bees in the U. S. National Museum
Diptera collected by Prof. and Mrs. Cockerell in New Caledonia and Fiji Islands
⬇️
scientific article published in 1929
Diptera from the Seychelles
scientific article published in 1915
Dipterous Parasites of Tsetse Flies
scientific article published in Nature
Discontinuous Distribution in Bees
scientific article published in Nature
Discontinuous Distribution in Plants
scientific article published in Nature
Dormant Seeds
ELLSWORTH BETHEL
scientific article published on 01 February 1926
EMPLOYMENT AFTER THE WAR
scientific article published on 01 June 1945
ENTOMOLOGY AND WARFARE
scientific article published on 01 March 1942
EXPEDITIONS
scientific article published on 01 October 1933
Early Stages of Two Jamaica Nymphalidae
scientific article published in 1893
Earthworms and the Cluster Fly
scientific article published in Nature
Ecotypes of Plants
scientific article published in Nature
Eocene insects from the Rocky Mountains
article by Theodore Dru Alison Cockerell published 1920 in Proceedings of the United States National Museum
Eye-Colour in Bees
scientific article published in Nature
FOSSIL OSMYLIDÆ (NEUROPTERA) IN AMERICA.
Flat-fishes
⬇️
Fossil Aphididæ from Florissant, Colorado
⬇️
Fossil Coleoptera from Florissant, with descriptions of several new species
⬇️
scientific article published in 1911
Fossil Coleoptera from Florissant, with descriptions of several new species. Bulletin of the AMNH ; v. 30, article 5
1911 | America
Fossil Diptera from Florissant, Colorado
⬇️
scientific article published in 1909
Fossil Diptera from Florissant, Colorado. Bulletin of the AMNH ; v. 26, article 2
1909
Fossil Insects.*
article published in 1917
Fossil Plants from Florissant, Colorado
scientific article published in May 1906
Fossil dragonflies from Florissant, Colorado
⬇️
scientific article published in 1907
Fossil dragonflies from Florissant, Colorado. Bulletin of the AMNH ; v. 23, article 5
1907
Fossil insects and a crustacean from Florissant, Colorado
⬇️
scientific article published in 1910
Fossil insects and a crustacean from Florissant, Colorado. Bulletin of the AMNH ; v. 28, article 25
1910
Fossil insects from Florissant, Colorado. [1]
⬇️
scientific article published in 1908
Fossil insects from Florissant, Colorado. [1]. Bulletin of the AMNH ; v. 24, article 3
1908 | American Museum of Natural History Library View
Fossil insects from Florissant, Colorado. [2]
⬇️
scientific article published in 1909
Fossil insects from Florissant, Colorado. [2]. Bulletin of the AMNH ; v. 26, article 7
1909
Fossil insects from Florissant, Colorado. [3]
⬇️
scientific article published in 1911
Fossil insects from Florissant, Colorado. [3]. Bulletin of the AMNH ; v. 30, article 6
1911
Fossil insects from the Eocene of Texas
Fossil insects in the United States National Museum
scholarly article by Theodore Dru Alison Cockerell published 1924 in Proceedings of the United States National Museum
Fossil parasitic and phytophagous Hymenoptera from Florissant, Colorado
⬇️
scientific article published in 1906
Fossil parasitic and phytophagous Hymenoptera from Florissant, Colorado. Bulletin of the AMNH ; v. 22, article 29
19
Fossil saw-flies from Florissant, Colorado
⬇️
scientific article published in 1906
Fossil saw-flies from Florissant, Colorado. Bulletin of the AMNH ; v. 22, article 30
1906
Fossils in Burmese Amber
⬇️
scientific article published in Nature
Fossils in the Ondai Sair Formation, Mongolia
⬇️
scientific article published in 1924
Fossils in the Ondai Sair Formation, Mongolia. Bulletin of the AMNH ; v. 51, article 6
1924
Four interesting Australian bees, in the collection of the British Museum
article
GENERA WITHOUT SPECIES
scientific article published on 01 May 1909
GENERA WITHOUT SPECIES
scientific article published on 01 February 1909
GENETICS
scientific article published on 01 June 1930
Galls
Galls
scholarly article
Gastropod Mollusca from the Tertiary strata of the West
⬇️
scientific article published in 1915
Gastropod Mollusca from the Tertiary strata of the West. Bulletin of the AMNH ; v. 34, article 3
1915
General Notes
scientific article published in 1934
Glossina and the Extinction of Tertiary Mammals
scientific article published in Nature
HALICTINE BEES (HYMENOPTERA) FROM AFRICA (I)
scientific article published in 1945
HOW DID DARWIN WORK?
scientific article published on 01 March 1920
HUIA ONSLOW.
scientific article
Habit of Vespa
scientific article published in 1890
Halictine bees from Morocco
⬇️
scientific article published in 1938
Hemiptera of Beulah, New Mexico
Huxley's Message to the Modern World
scientific article published in Nature
Hybrid Perennial Sunflowers
scientific article
Hybrid Sunflowers
⬇️
scientific article published in Nature
I.—Descriptions and records of bees.—LX
I.—Descriptions and records of bees.—LXVIII
I.—Fossil Arthropods in the British Museum.—V. Oligocene Hymenoptera from the Isle of Wight
scholarly article by Theodore Dru Alison Cockerell published January 1921 in Annals and Magazine of Natural History
II. Hymenoptera and Hemiptera.
article published in 1931
II. New North American Bees
scientific article published in 1895
II.—<i>Descriptions and Records of Bees.</i>—CLII
scientific article published in 1936
II.—Descriptions and records of bees.—XLV
⬇️
scientific article published in 1912
II.—Descriptions and records of bees.—XXI
⬇️
scientific article published in 1909
II.—Descriptions and records of bees.—XXX
II.—Some parasitic bees
⬇️
scientific article published in 1904
II.—The New Mexico bees of the genus Megachile and a new Andrena
III. Bees Collected by Dr. W. M. Wheeler at Flowers of Triplaris
scientific article published in 1928
III.—Bees of the genus Megachile from Africa
⬇️
III.—Descriptions and records of Hymenoptera
⬇️
III.—Descriptions and records of bees.—CLXII
⬇️
scientific article published in 1937
III.—Descriptions and records of bees.—LXXIII
III.—Descriptions and records of bees.—VII
⬇️
scientific article published in 1906
III.—Descriptions and records of bees.—XLVIII
⬇️
III.—Fossil Arthropods in the British Museum.—III
III.—New genera and species of Coccidæ, with notes on known species
⬇️
ILLITERACY IN THE COLLEGES
scientific article published on 01 December 1925
INACCURATE ZOOLOGY
scientific article published on 01 October 1895
INVERTEBRATE PALEONTOLOGY.
scientific article published in March 1918
INVESTIGATIONS IN PROGRESS AT THE UNIVERSITY OF CHICAGO
scientific article published on 01 October 1903
IS THERE DETERMINATE VARIATION?
scientific article published on 01 January 1907
IV. New Species of Coccidae
⬇️
scientific article published in January 1895
IV.—<i>Descriptions and Records of Bees</i>.—CLXX
scientific article published in 1939
IV.—Descriptions and Records of Bees
IV.—Descriptions and records of bees.—CLXX
⬇️
scientific article published in 1939
IV.—Descriptions and records of bees—XXIV
IV.—Some new Coccidæ
IX.—Descriptions and records of bees.—LXXXVIII
IX.—Notes on slugs, chiefly in the collection at the British Museum
Importance of Adult Education
scientific article published in Nature
Insects Attracted by Solanum
Insects Flying to Ships
scientific article published in Nature
Insects in Burmese Amber.
scholarly article by Theodore Dru Alison Cockerell published 1 July 1917 in Annals of the Entomological Society of America
Insects in Burmese amber
article by Theodore Dru Alison Cockerell published 1 August 1916 in American Journal of Science
Insects in Korean Amber
scientific article published in Nature
Insects in amber from South America
scientific article published in April 1923
Internationalism and Science
scientific article published in Nature
L.—African bees of the genus Megachile
L.—Descriptions and Records of Bees.—CLXXXV
scientific article published in August 1942
L.—Descriptions and records of bees.—CXLIII
⬇️
scientific article published in 1933
L.—Descriptions and records of bees.—XXVII
LETTER FROM DOUGLAS COCKERELL, LETCHWORTH, ENGLAND, OCTOBER 1, TO HIS BROTHER IN COLORADO
scientific article published on 01 December 1941
LI.—Descriptions and Records of Bees.—CLXXXVI
LI.—Descriptions and records of bees.—CC
⬇️
scientific article published in 1945
LI.—Descriptions and records of bees.—LXXII
article published in 1916
LI.—Some African Bees
⬇️
scientific article published in 1931
LIFE-ZONES IN NEW MEXICO
scientific article published on 01 November 1898
LII.—<i>Descriptions and Records of Bees.</i> —CXCIII
scientific article published in 1943
LII.—Descriptions and records of bees.—CXCIII
⬇️
scientific article published in 1943
LII.—Descriptions and records of bees.—CXVI
⬇️
scientific article published in 1929
LII.—Fossil Arthropods in the British Museum.—VII
LIII.—Descriptions and Records of Bees.—V
⬇️
scientific article published in 1905
LIII.—Descriptions and records of bees.—CVI
⬇️
scientific article published in 1925
LIII.—Descriptions and records of bees.—CXXVIII
⬇️
LIII.—Descriptions and records of bees.—CXXXVIII
⬇️
scientific article published in 1932
LIII.—Descriptions and records of bees.—XIX
⬇️
scientific article published in 1908
LIII.—Remarks on Australian slugs
article
LIV.—African Heriadine Bees
⬇️
scientific article published in 1946
LIV.—Descriptions and Records of Bees.—CXXIX
⬇️
scientific article published in 1931
LIV.—Descriptions and Records of Bees.—VI
⬇️
scientific article published in 1905
LIV.—Descriptions and records of bees.—CIV
⬇️
scientific article published in 1925
LIV.—Descriptions and records of bees.—CXXXIII
⬇️
scientific article published in 1932
LIV.—Descriptions and records of bees.—LXXVIII
⬇️
scientific article published in 1917
LIV.—Observations on bees collected at Las Vegas, New Mexico, and in the adjacent Mountains
scientific article published in 1900
LIX.—Descriptions and records of bees.—LIX
⬇️
LIX.—Descriptions and records of bees.—XCIX
⬇️
scientific article published in 1924
LIX.—Descriptions and records of bees.—XXVIII.
LIX.—Two new Coccidæ from New Mexico
LV.—Descriptions and records of bees.—CLVII
⬇️
scientific article published in 1936
LV.—New and little-known Hymenoptera taken by Prof. C. H. T. Townsend and Mr. C. M. Barber in New Mexico in 1898
scholarly article by Theodore Dru Alison Cockerell published December 1898 in Annals and Magazine of Natural History
LVI.—Descriptions and records of bees.—CLXI
⬇️
scientific article published in 1937
LVI.—Descriptions and records of bees.—XCVI
LVII.—Descriptions and records of bees.—CLI
⬇️
scientific article published in 1935
LVII.—Descriptions and records of bees.—LXX
⬇️
scientific article published in 1915
LVII.—Descriptions and records of bees.—XXXVI
⬇️
scientific article published in 1911
LVII.—Fossil Arthropods in the British Museum.—VI. Oligocene insects from Gurnet Bay, Isle of Wight
LVII.—Hymenoptera and a Caddis larva from the Miocene of Colorado
LVIII.—African bees of the genus Cœlioxys
⬇️
scientific article published in 1933
LVIII.—Descriptions and records of bees—LXIV
LVIII—<i>Descriptions and Records of Bees.</i>—CLXXXVII
scientific article published in 1942
LX.—African Nomiine Bees
⬇️
scientific article published in 1946
LX.—Descriptions and records of bees.—XLVII
LX.—New insects from Embudo, New Mexico
⬇️
scientific article published in 1897
LXI.—Descriptions and records of bees.—CXXXIX
⬇️
scientific article published in 1932
LXI.—Fossil Arthropods in the British Museum.—II
⬇️
scientific article published in 1920
LXII.—Descriptions and records of bees.—CX
⬇️
scientific article published in 1926
LXII.—Descriptions and records of bees.—XLIV
LXIII.—Descriptions and records of bees.—LII
LXIII.—Descriptions and records of bees.—LV
article published in 1913
LXIII.—Descriptions and records of bees.—XVII
LXIII.—Some Coccidæ from Mexico
⬇️
scientific article published in 1902
LXIV.—Descriptions and records of bees.—XIV
⬇️
scientific article published in 1907
LXIV.—Descriptions and records of bees—CLVIII
⬇️
scientific article published in 1936
LXIX.—African colletid bees
⬇️
scientific article published in 1945
LXIX.—Bees from the Malay Peninsula
⬇️
scientific article published in 1927
LXIX.—Descriptions and records of bees.—XI
LXV.—Descriptions and records of bees.—CIII
LXVI.—Descriptions and records of bees.—CLXV
⬇️
scientific article published in 1937
LXVI.—New Coccidæ from Mexico
⬇️
scientific article published in 1898
LXVII.—Descriptions and records of bees.—XXIX
LXVII.—Some African bees
LXVIII.—<i>Descriptions and Records of Bees</i>.—CLXXIV
scientific article published in 1939
LXVIII.—Four new bees of the genus Perdita collected by Dr. L. O. Howard in Mexico
LXVIII.—Some Bees of the Genus Melissodes from the Rocky Mountain Region
⬇️
scientific article published in 1905
LXX.—Descriptions and records of bees.—CXX
⬇️
scientific article published in 1929
LXXII.—<i>Descriptions and Records of Bees</i>.—CLXXXVIII
scientific article published in 1942
LXXII.—Descriptions and records of bees.—CXIII
⬇️
scientific article published in 1926
LXXII.—Land Mollusca from the Maritime Province of Siberia
⬇️
scientific article published in 1924
LXXIII.—A contribution to the knowledge of the Coccidæ
article published in 1902
LXXIV.—Descriptions and records of bees.—CVII
LXXIV.—Descriptions and records of bees.—XXXIX
⬇️
scientific article published in 1911
LXXV.—Descriptions and records of bees.—CXLIV
⬇️
scientific article published in 1933
LXXV.—Fossil insects in the British Museum
⬇️
scientific article published in 1927
LXXVI.—Descriptions and Records of Bees.—CXXX
⬇️
scientific article published in 1931
LXXVI.—Mutillidæ from Siam
⬇️
scientific article published in 1928
LXXVIII.—Descriptions and records of bees.—C
⬇️
scientific article published in 1924
LXXVIII.—The Coleoptera of the Madeira islands
scholarly article by Theodore Dru Alison Cockerell published in June 1923
LXXX.—Descriptions and records of bees.—XCIV
⬇️
scientific article published in 1922
LXXXII.—Descriptions and records of bees.—CXI
⬇️
scientific article published in 1926
LXXXIX.—Descriptions and records of bees.—XL
Lamium purpureum in Colorado
scientific article published in 1926
Land Snails from Northwestern Mexico
Land Snails of the Madeira Islands
scientific article published in Nature
Land and Freshwater Shells Peculiar to the British Isles
⬇️
Land shells from the Tertiary of Wyoming
⬇️
scientific article published in 1914
Land shells from the Tertiary of Wyoming. Bulletin of the AMNH ; v. 33, article 24
1914
Larger Aspects of Natural Selection
scientific article published in Nature
METAPSYCHICS
scientific article published on 01 February 1927
MISCELLANEOUS NOTES
scientific article published in October 1905
MORE DICTIONARY ZOOLOGY
scientific article published on 01 October 1897
Material for Natural Selection
⬇️
Matthew Island
scientific article published in Nature
Meliponine Bees From Central America
scientific article published in 1913
Mimicry among Insects
scientific article published in Nature
Minutes of the Minneapolis Meeting
Miocene Fossil Insects
Mollusca from the Tertiary strata of the West
⬇️
scientific article published in 1912
Mollusca from the Tertiary strata of the West. Bulletin of the AMNH ; v. 31, article 20
1912
Museums
Mutation
NEW BEES FROM NEW MEXICO
scientific article published in June 1898
NEW BEES FROM TRINIDAD
article published in 1935
NEW COCCIDÆ FROM THE ARGENTINE REPUBLIC AND PARAGUAY
article
NEW HALICTINE BEES FROM CHILE
article
NEW SESIID MOTHS.
article by Theodore Dru Alison Cockerell published September 1908 in The Canadian Entomologist
NOTE ON THE PIGMENTS OF THE COCCID CHIONASPIS FURFURA, FITCH
scientific article published on 01 April 1900
NOTES ON SOME BEES IN THE BRITISH MUSEUM
NOTES ON THE INSECT FAUNA OF HIGH ALTITUDES IN CUSTER COUNTY, COLORADO
article by Theodore Dru Alison Cockerell published February 1890 in The Canadian Entomologist
Names applied to bees of the genus Nomada, found in North America
Names applied to bees of the genus Osmia, found in North America
Names applied to the eucerine bees of North America
Natural History of Porto Santo
⬇️
scientific article published in Nature
Neo-Lamarckism and Darwinism
Neotropical Bees, Principally Collected by Professor Bruner in Argentina
scientific article published in 1918
New Australian bees
article
New Australian bees in the collection of the British Museum. II
article
New Bees from the Mesa Verde National Park, Colorado
scientific article
New Fossil Insects from Florissant, Colorado.
New Fossorial Hymenoptera from New Mexico
New North American bees of the genus Andrena
article published in 1914
New Records of Coccidæ
scientific article
New Social Bees
scientific article published in 1917
New Species and Subspecies Collected in a Month in Guatemala
scientific article
New Species of Insects Taken on a Trip from the Mesilla Valley to the Sacramento Mts., New Mexico
scientific article
New Tertiary insects
article by Theodore Dru Alison Cockerell published 1917 in Proceedings of the United States National Museum
New and Little Known Bees
New and Little-Known Bees
scientific article published in 1910
New and Little-Known Bees
New and Little-Known Bees from Washington State
New and Little-Known Coccidae From Florida
scientific article published in 1897
New and Little-Known Insects from the Miocene of Florissant, Colorado
scholarly article
New and Little-Known North American Bees
New and little-known American bees
⬇️
scientific article published in 1937
New and little-known Western bees
⬇️
scientific article published in 1934
New and little-known bees
New anthophorid bees from Arizona and Wyoming
⬇️
scientific article published in 1924
New light on the giant fossil may-flies of Mongolia
⬇️
scientific article published in 1927
New parasitic Hymenoptera of the genus Eiphosoma
scholarly article by Theodore Dru Alison Cockerell published 1913 in Proceedings of the United States National Museum
New records of Coccidae (Homoptera)
⬇️
scientific article published in 1930
New records of bees
⬇️
scientific article published in 1935
New species of North American fossil beetles, cockroaches, and tsetse flies
article
New species of Unio from the Tertiary rocks of Wyoming
⬇️
article by Theodore Dru Alison Cockerell published 1915 in Bulletin of the American Museum of Natural History
New species of Unio from the Tertiary rocks of Wyoming. Bulletin of the AMNH ; v. 34, article 4
1915
No. II.-HYMENOPTERA, APOIDEA.
scholarly article by Theodore Dru Alison Cockerell published March 1912 in Transactions of the Linnean Society of London: Zoology
Nomenclature at the Zoological Congress
⬇️
article
North American Bees of the Genus Nomada
scientific article
Note on Harrisina Coracina
scientific article published in 1897
Note on Three Pyralid Moths of the Genus Pachyzancla
article by Theodore Dru Alison Cockerell published 1898 in Psyche
Note on some Red and Blue Pigments
Note on the Habits of a Jamaican Spider
⬇️
Note on the Scales of Apogonid Fishes
scientific article published on 31 December 1930
Note sur le genre Hemichionaspis [Coccid.] et description d'une espèce nouvelle
Notes and descriptions of African Diptera
⬇️
scientific article published in 1934
Notes on Castilleia
scientific article
Notes on Crypticerya Townsendi Ckll
scientific article published in 1901
Notes on Lecanium, with a List of the West Indian Species
scientific article published in 1893
Notes on New Coccidae
scientific article published in 1897
Notes on New Mexican Flowers and Their Insect Visitors
article by Theodore Dru Alison Cockerell published August 1897 in Botanical Gazette
Notes on Orchids
scientific article
Notes on Some Bees in the British Museum
Notes on Some Genera of Bees
Notes on a Few Bombycoid Moths from Grant County, New Mexico
scientific article
Notes on some Mexican Coccidæ
Notes on some Southwestern Plants
scientific article
Notes on some Western bees. American Museum novitates ; no. 40
1922
Notes on the Cochineal Insect
scientific article published in 1893
Notes on the Flora of High Altitudes in Custer County, Colorado
scientific article
Notes on the Nesting of Anthidium Paroselae Ckll
scientific article published in 1900
Notes on the distribution and bibliography of North American bees of the families Apidae, Meliponidae, Bombidae, Euglossidae, and Anthophoridae
⬇️
scientific article published in 1920
Notes on the food of birds
⬇️
Mesilla Park: New Mexico College of Agriculture and Mechanic Arts, 1901.
Notes on the geographical distribution of scale insects
ON CITING THE TYPES OF NEW GENERA
scientific article published on 01 December 1912
ON CITING THE TYPES OF NEW GENERA.
scientific article published in September 1904
ON THE CITATION OF LOCALITIES
scientific article published in 1889
ON THE MEXICAN BEES OF THE GENUS AUGOCHLORA
scientific article published in January 1897
ON THE SUBGLOBULAR SPECIES OF LECANIUM
ORTHOPLASY, ETC
scientific article published on 01 February 1903
OVERHEAD
scientific article published on 01 April 1930
Observations on fish scales
⬇️
Washington,Govt. print. off.,1913. | Library of Congress
On Some Bees of the Genus Andrena from New Jersey
scientific article
On Some Panurgine and Other Bees
On a collection of Australian and Asiatic bees
⬇️
scientific article published in 1907
On a collection of Australian and Asiatic bees. Bulletin of the AMNH ; v. 23, article 10
1907
On a slug of the genus Veronicella from Tahiti
On hybrids or mongrels with two male parents
On some fossil rhynchophorous Coleoptera from Florissant, Colorado
⬇️
scientific article published in 1912
On some fossil rhynchophorous Coleoptera from Florissant, Colorado. Bulletin of the AMNH ; v. 31, article 4
1912 | Americ
On some insects collected in the state of Chihuahua, Mexico
⬇️
scientific article published in 1895
On the Geographical Distribution of Slugs
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On the Tenthredinoidea of the Florissant shales
⬇️
scientific article published in 1908
On the Tenthredinoidea of the Florissant shales. Bulletin of the AMNH ; v. 24, article 25
1908 | American M
On the Value of Section Names
scientific article
PALEOBOTANY IN INDIA
scientific article published on 01 March 1943
PENSIONS FOR GOVERNMENT EMPLOYEES
scientific article published on 01 April 1920
PRACTICAL NOMENCLATURE.
scientific article published in September 1910
PREDETERMINED EVOLUTION
scientific article published on 01 February 1901
PRELIMINARY NOTE ON THE COTTONY SCALE OF THE OSAGE ORANGE
scientific article published on 01 August 1893
PRELIMINARY NOTE ON THE GROWTH OF PLANTS IN GYPSUM
scientific article published on 01 July 1898
PROSOPOPHORA; A GENUS OF SCALE-INSECTS NEW TO THE NORTH AMERICAN FAUNA.
scientific article published in September 1893
PUBLICATIONS OF THE U. S. NATIONAL MUSEUM
scientific article published on 05 October 2006
Parasites of Mantidae from New Caledonia
⬇️
scientific article published in 1930
Peripatus Re-discovered in Jamaica
scientific article published in Nature
Phthiria Sulphurea Loew
scientific article published in 1895
Physiological Specific Characters
⬇️
Pigments of Nudibranchiate Mollusca
⬇️
Pigmies Making Fires
scientific article published in Nature
Porto Santo in Pleistocene Times
scientific article published in Nature
Power in context: the Lismore landscape project
Preoccupied Names in Zoology
scientific article published in Nature
Problems of Nomenclature
scientific article published in Nature
Proper Name of the Amæba
scientific article published in Nature
Proposed Biological Station
scientific article published in 1896
RECOLLECTIONS OF DR. ALFRED RUSSEL WALLACE
scientific article published on 01 December 1913
RELATIONS OF SALARY TO TITLE IN AMERICAN UNIVERSITIES
scientific article published on 01 March 1907
REMARKABLE DISCOVERIES
scientific article published on 01 June 1901
Recollections of a Naturalist II. Expeditions
article published in October 1936
Reconstruction Problems and the Duty of Science
⬇️
scientific article published in Nature
Records of African bees. 1
⬇️
scientific article published in 1932
Records of African bees. 2
⬇️
scientific article published in 1933
Records of African bees. [3]
⬇️
scientific article published in 1937
Records of Western bees. [1]
⬇️
scientific article published in 1934
Records of Western bees. [2]
⬇️
scientific article published in 1936
Records of the Habits of New Mexican Coleoptera
scholarly article by Theodore Dru Alison Cockerell published in January 1902
Report - Colorado Biological Association
⬇️
[Silver Cliff? Colo.][Custer County Courant]
Rocky Mountain bees. 1
⬇️
scientific article published in 1930
Rocky Mountain bees. 2, The genus Andrena
⬇️
scientific article published in 1931
Rocky Mountain bees. 3
⬇️
scientific article published in 1931
Rocky Mountain bees. 4 [i.e. 5]
⬇️
scientific article published in 1933
Rudbeckia and Aquilegia
scientific article published in Nature
SAVING THE COCONUTS
scientific article
SCIENCE AND POLITICS
scientific article
SCIENCE AND SOCIAL ETHICS
scientific article
SCIENTIFIC LITERATURE IN EUROPEAN COUNTRIES
scientific article
SCIENTIFIC NAMES
scientific article published on 01 February 1930
SCIENTIFIC PAPERS FOR EUROPE
scientific article
SIR JOSEPH HOOKER
scientific article
SOME AFRICAN BEES OF THE GENUS CROCISA
scientific article published in 1933
SOME AFRICAN BEES OF THE GENUS CROCISA IN THE BRITISH MUSEUM
article published in February 1933
SOME APHIDIDÆ OF THE GENUS NECTAROPHORA FROM NEW MEXICO
article published in 1903
SOME BEES (HYM.) FROM THE SUDAN
article published in 1934
SOME CARPENTER-BEES FROM AFRICA
scientific article published in 1906
SOME COLORADO BEES
scientific article published in September 1923
SOME EUGLOSSINE BEES
SOME FOSSIL INSECTS FROM FLORISSANT, COLORADO.
SOME NEOTROPICAL MEGACHILID BEES
scientific article published in July 1917
SOME NEW AMERICAN BEES
SOME NOTES ON APHIDIDÆ
SOME OLD-WORLD TYPES OF INSECTS IN THE MIOCENE OF COLORADO.
scientific article
SOME ROCKY MOUNTAIN ANDRENID BEES
SOME SOUTH AMERICAN BEES
SUGGESTIONS FOR FACILITATING THE WORK OF ZOOLOGISTS
scientific article
SUNFLOWER PROBLEMS
scientific article
SUPPRESSION AND LOSS OF CHARACTERS IN SUNFLOWERS
scientific article
Sacred Sandstone of the Mayas
scientific article published in Nature
Samuel Hubbard Scudder
scientific article
Scientific Research
Scientific results of the Vernay-Lang Kalahari expedition, March to September, 1930. Hymenoptera (Apoidea)
⬇️
scientific article published in November 1935
Scriptotricha or Paracantha?
Second Note on a New Hemileuca
article by Theodore Dru Alison Cockerell published 1898 in Psyche
Should Scientific Publication be Controlled?
scientific article published in Nature
Siberian bees of the genera Halictus, Sphecodes, and Hylaeus
⬇️
scientific article published in 1937
Siliceous Shells of Protozoa
Sir Isaac Bayley Balfour
scientific article published in Nature
Slugs and Thorns
scientific article published in Nature
Snails of the genus Succinea from the Maritime Province of Sibera
scientific article published in 1924
Some Additional Species of Prosapis
scientific article published in 1896
Some African anthidiine bees
⬇️
article published in 1936
Some African bees
⬇️
scientific article published in 1936
Some American Cretaceous fish scales, with notes on the classification and distribution of Cretaceous fishes
scientific article published in 1919
Some American fossil insects
article by Theodore Dru Alison Cockerell published 1916 in Proceedings of the United States National Museum
Some Australian Bees
scientific article
Some Australian Bees in the Berlin Museum
scientific article
Some Bees From Eldora, Colorado
scientific article published in 1910
Some Bees From Guatemala
scientific article published in 1912
Some Bees From Utah
scientific article published in 1928
Some Bees from Australia, Tasmania, and the New Hebrides
scientific article
Some Bees from New Zealand
scientific article published in 1925
Some Bees of the Genus Nomada From Washington State
scientific article published in 1910
Some Bees of the Group Trachandrena, Robertson (Hymenoptera: Andrenidae)
Some Coccidae Quarantined at San Francisco
⬇️
scientific article published in January 1900
Some Coleoptera and Arachnida from Florissant, Colorado
⬇️
scholarly article by Theodore Dru Alison Cockerell et al published 1907 in Bulletin of the American Museum of Natural History
Some Diptera (Microdon) from nests of ants
Some Eocene insects from Colorado and Wyoming
⬇️
Some Eocene insects of the family Fulgoridae
Some Hitherto Unknown Nymphs of Odonata From New Mexico
scientific article published in 1903
Some Insects of The Hundsonnian Zone in New Mexico. —I
scientific article published in 1900
Some Insects of the Hudsonian Zone in New Mexico—III
scientific article published in 1901
Some Insects of the Hudsonian Zone in New Mexico—IV
article
Some Insects of the Hudsonian Zone in New Mexico—VIII
scientific article published in 1902
Some Neotropical Bees
scientific article published in 1910
Some New Bees of the Genus Perdita
scientific article
Some New and Little-Known Coccidæ
scientific article
Some North and South American Bees.
scientific article published in September 1927
Some Notes on Coccidæ
Some Notes on Dr. A. R. Wallace's “Darwinism.”
⬇️
Some Overlooked Zoological Generic Names
article published in 1903
Some Plants of New Mexico
scientific article
Some Species of Eulecanium (Coccidae) From France
article
Some Suggested Rules to Govern Entomological Publications
Some Synonymy
scientific article published in 1933
Some Tasmanian bees
Some Tertiary insects (Hymenoptera) from Colorado
scientific article published in May 1941
Some Western Weeds, and Alien Weeds in the West
Some bees collected by Professor Jacot in China
⬇️
scientific article published in 1931
Some bees of the genus Augochlora from the West Indies
Some bees of the genus Crocisa from Asia and Australia
article
Some bees of the genus Nomia from Australia
article
Some bees, principally from Formosa and China
⬇️
scientific article published in 1927
Some fossil arthropods from Florissant, Colorado
⬇️
scientific article published in 1907
Some fossil fish scales from Pern
Some fossil insects from Florissant, Colorado
Some fossil parasitic Hymenoptera
Some geophilous mealy-bugs from Australia (Homoptera, Coccoidea)
⬇️
scientific article published in 1930
Some halictine bees from the Maritime Province of Siberia
Some neotropical meliponid bees
⬇️
scientific article published in 1920
Some parasitic megachilid bees of the western United States
⬇️
scientific article published in 1921
Some very small Australian bees
article
South African bees of the genera Scrapter and Notomelitta (Hymenoptera)
scientific article published in 1944
South American bees
⬇️
scientific article published in 1937
Specific Characters
⬇️
Specific Characters among the Mutillidæ
Sugar-beet Seed
scientific article published in Nature
TABLE TO SEPARATE THE GENERA AND SUBGENERA OF COCCIDÆ RELATED TO LECANIUM
article by Theodore Dru Alison Cockerell & P. J. Parrott published February 1901 in The Canadian Entomologist
TABLES FOR THE DETERMINATION OF THE GENERA OF COCCIDÆ
scientific article published in November 1899
TEACHING AND RESEARCH
scientific article
TERTIARY FLORAS
scientific article
THE ANATOMY AND RELATIONSHIPS OF HELIX SUBPLICATA, SOWERBY
⬇️
scholarly article in Proceedings of the Malacological Society of London, vol. 14 no. 5-6, October 1921
THE BEE-GENUS BRACHYNOMADA
THE BEE-GENUS THRINCHOSTOMA IN ASIA
article
THE BEES OF ALBERTA II
article published in 1937
THE BEES OF GOLD HILL, COLORADO
THE BIOLOGY OF LAKE BAIKAL
scientific article
THE BRITISH GRAHAM LAND EXPEDITION, 1934-37
scientific article
THE CARNEGIE INSTITUTION
THE CIVILIZATION OF BOHEMIA
scientific article published on 01 January 1910
THE COCCID GENUS EULECANIUM
THE CONQUEST OF LEPROSY
scientific article
THE DESCRIPTION AND FIGURING OF IMPERFECT FOSSILS.
scientific article
THE DIVERSE FLORAS OF THE ROCKY MOUNTAIN REGION
scientific article
THE DUTY OF BIOLOGY
scientific article
THE DUTY OF THE ENTOMOLOGIST
scientific article
THE EARLIEST BEES, WASPS AND ANTS
scientific article
THE ENGLISH SPARROW IN NEW MEXICO
scientific article
THE EVOLUTION OF SPECIES THROUGH CLIMATIC CONDITIONS
scientific article published on 01 January 1906
THE EXILED NATURALISTS OF PORTUGAL.
scientific article
THE FAMILY CLIONIDAE
scientific article
THE FIRST AMERICAN FOSSIL MANTIS.
scientific article published in October 1908
THE FLOATING POPULATION OF THE AIR
scientific article
THE FLORA OF CALIFORNIA.
scientific article
THE FOSSIL SAWFLY PERGA COLORADENSIS.
scientific article
THE FRESH-WATER FAUNA OF NEW CALEDONIA
scientific article
THE FUTURE OF TAXONOMY.
scientific article published on June 1930
THE FUTURE OF TAXONOMY.
scientific article
THE GENERIC POSITION OF SPHINX SEPARATUS NEUM
scientific article published in February 1920
THE INDEXING OF BIOLOGICAL LITERATURE
scientific article
THE JAPANESE COCCIDÆ
scientific article published in February 1909
THE KIEFFER PEAR AND THE SAN JOSE SCALE
scientific article
THE LAWS OF PHYSICS
scientific article
THE LETTER K IN ZOOLOGICAL NOMENCLATURE.
scientific article
THE LOWER SONORAN COCHINEAL
scientific article
THE MEALY-BUG CALLED PSEUDOCOCCUS BROMELIAe, AND OTHER COCCIDS
scientific article
THE NAME OF THE COCHINEAL
scientific article
THE NAME OF THE SPOTTED FEVER TICK.
scientific article
THE NEEDS OF SCIENTIFIC MEN
scientific article
THE NEW MEXICO BIOLOGICAL STATION
scientific article
THE NEW MEXICO NORMAL UNIVERSITY
scientific article
THE NEW NOMENCLATOR ZOOLOGICUS
scientific article
THE NOMENCLATURE OF THE MONOPHLEBINE COCCIDAE.
scientific article
THE OLDEST AMERICAN HOMOPTEROUS INSECT.
article by Theodore Dru Alison Cockerell published March 1912 in The Canadian Entomologist
THE ORIGIN OF THE HIGHER FLOWERING PLANTS
scientific article
THE PUBLIC FUNDS
scientific article
THE PUBLICATION OF REJECTED NAMES
scientific article published on 01 April 1903
THE PUBLICATION OF REJECTED NAMES
scientific article
THE RUSSIAN ACADEMY OF SCIENCES
scientific article
THE SCALES OF DERMOPHIS
scientific article
THE SCALES OF THE ALBULID FISHES
scientific article
THE SCALES OF THE DIPNOAN FISHES
scientific article
THE SCALES OF THE FOSSIL FISH EOBRYCON.
scientific article
THE SCALES OF THE GONORHYNCHID FISHES
scientific article
THE STATEMENT OF THE RUSSIAN PROFESSORS
scientific article
THE SUPPOSED SCALES OF THE COTTID FISH JORDANIA
scientific article
THE TYPE OF GENUS COCCUS (HOMOPTERA, COCCIDAE)
scientific article
THE TYPE OF THE GENUS LECANIUM
scientific article
THE VIRGINIA COLONY OF HELIX NEMORALIS.
scientific article
THE WESTERN INVASION OF SAMIA CECROPIA
scientific article
THE WORD GENOTYPE
scientific article
THE ZOOLOGICAL MUSEUM AT TRING.
scientific article
THE ZOOLOGICAL RECORD
scientific article
THREE DIPTERA FROM THE MIOCENE OF COLORADO
article published in 1914
TRANSFORMATION OF BACTERIA
scientific article
TWO FOSSIL DIPTERA.
TWO GENERA OF BEES NEW TO THE RECORDED FAUNA OF NOVA SCOTIA
TWO INTERESTING NEW BEES
TWO NEW CANADIAN BEES.
⬇️
article
TWO NEW MEALY-BUGS FROM NEW MEXICO
scientific article published in December 1902
Table of North America Kermes, Based on External Characters
article by Theodore Dru Alison Cockerell published 1900 in Psyche
Tertiary Fossil Insects from Argentina
scientific article published in Nature
Tertiary Mollusca from New Mexico and Wyoming
⬇️
scientific article published in 1914
Tertiary fossil insects from Argentina
scholarly article by Theodore Dru Alison Cockerell published 1 June 1926 in American Journal of Science
The Age of Lake Cahuilla
scientific article
The Alpine Flora
The Alpine Flora: With a Suggestion as to the Origin of Blue in Flowers
scientific article published in Nature
The Antiquity of Albula
article published in 1933
The Antiquity of New Caledonia
scientific article published in Nature
The Antiquity of the Labiatæ or Mint Family
scientific article published in Nature
The Authorship of Certain Names
The Bees of Australia
⬇️
article
The Bees of New Mexico
The Bees of Peaceful Valley, Colorado
The Bees of the Genus Halictus Found in New Mexico. I. Species without Any Green or Blue
The Bees of the Genus Perdita F. Smith
scientific article
The Bees of the Group Dieunomia
scientific article
The British Slugs
The Classification of the Aleyrodidæ
scientific article
The Coccid Genus Solenophora in the United States
scientific article published in 1898
The Coccidæ (Scale-insects and Mealy-bugs) of the Madeira Islands
scientific article published in Nature
The Coccidæ of New Zealand
⬇️
article
The Coleoptera of New Mexico
The Designation of Women Biologists
scientific article published in Nature
The Dipterous Family Nemestrinidæ
The Dispersal of Snails by Birds
⬇️
journal article; published in Nature on 1921-12-01
The Dragon—Fly genus Agrion (Calepteryx in Colorado
article by Theodore Dru Alison Cockerell published 1913 in Psyche
The Earliest Bees, Wasps and Ants
scientific article published in 1921
The Effect of Food on the Colour of Moths
article by Theodore Dru Alison Cockerell et al published February 1906 in Nature
The Entomology of the Mid-Alpine Zone of Custer County, Colorado
scientific article published in 1893
The Evolution of Rosa
scientific article published in Nature
The Evolution of Snails in the Bahama Islands
The Evolution of the Colorado Spiderwort
The Fertilisation of Linum
The Function of Disease in the Struggle for Existence
⬇️
The Function of Psychology
scientific article
The Genetics of Evening Primroses and Mice
scientific article published in Nature
The Genus Phryganea (Trichoptera) in the Florissant Shales
⬇️
scientific article published in 1913
The Growth of Conifers
scientific article published in Nature
The Halictine Bees of America
scientific article published in 1905
The Inheritance of Mental Characters
The Inheritance of Mental Characters
The Institute Oswaldo Cruz
scientific article published in Nature
The Jamaican Species of Peripatus
⬇️
The Jurassic Insects of Turkestan
article
The Large Black Slug at Honolulu
scientific article published in Nature
The Larva of Cydosia
scientific article published in 1897
The Markings of Antilocapra
The Mongoose in Jamaica
The Name Leonia
scientific article published in 1900
The Name Solenopsis
The Name of the Gid Parasite
scientific article published in Nature
The Name of the Lac Insects
scientific article published in 1924
The Natural Selection of Indian Corn
The New Catalogue of Bees
scientific article published in 1896
The North American Bees of the Family Anthophoridæ
The North American Species of Hymenoxys
scientific article
The North American bees of the genus Nomia
scientific article published in 1910
The Oldest Mosquitoes
scientific article published in Nature
The Oldest Record of a Slug
scientific article published in Nature
The Origin of Adaptations
scientific article published in Nature
The Origin of Variations in Animals and Plants
article
The Origin of the Horse
⬇️
The Panurgine Bees
scientific article published in 1899
The Panurgine Bees of the Genera Hesperapis, Zacesta and Panurgomia
scientific article published in 1916
The Philanthidæ of New Mexico. I
The Philanthidæ of New Mexico. II
The Philippine bees of the families Anthophoridae and Melectidae
The Pollination of the Olive
The Relationships of Scrapter, a Genus of African Bees
scientific article
The Road Runner of North America
scientific article published in Nature
The Roses of Pecos, New Mexico
scientific article
The Scales of the Darter Richiella brevispina Coker
scientific article published in January 1927
The Sphecodidae of Southern Maine
scientific article published in 1907
The Spiders of the Madeira Islands
scientific article published in Nature
The Spread of Injurious Insects
The Spread of Scale Insects and their Parasites
scientific article published in Nature
The Stanford Expedition to Brazil: New Bees Fr0m Brazil
⬇️
scholarly article by Theodore Dru Alison Cockerell published 1 January 1912 in Psyche
The Sugar-Cane Mealy-Bug
scientific article published in Nature
The Supposed Inheritance of Acquired Characters
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Variability in the Number of Follicles in Caltha
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Variation in Caltha palustris
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WHAT IS A LOCUST?
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Waste Oil from Ships
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West Indian Biota in New Caledonia
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Western bees obtained by the American Museum expeditions
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Width of Head and Pelvis in Homo
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XLV.—Notes on slugs, chiefly in the collection at the British Museum
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XLVIII.—Descriptions and Records of Bees.—CLIV
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XVII.—Fossil Arthropods in the British Museum.—VIII. Homoptera from Gurnet Bay, Isle of Wight
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XVII.—Fossil insects from the Miocene of Colorado
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XX.—North-American bees of the genus Andrena
XX.—Some bees of the genus Megachile from New Mexico and Colorado
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scientific article published in 1934
XXI.—Descriptions and records of bees.—CXCV
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XXIX.—Some Helicoid snails from Machuria
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XXV.—Fossil Arthropods in the British Museum.—IV
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scientific article published in 1899
XXVI.—Descriptions and Records of Bees.—I
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XXVI.—Descriptions and records of bees.—CLXXVI
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XXVII.—<i>Descriptions and Records of Bees.</i>—CLXXXI
scientific article published in 1941
XXVII.—Descriptions and records of bees
XXVII.—Descriptions and records of bees.—CLXXXI
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scientific article published in 1941
XXVII.—Descriptions and records of bees.—CXIV
XXVII.—Descriptions and records of bees.—CXXVI
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XXVII.—Descriptions and records of bees.—XCVIII
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XXVII.—The bee-genus Crocisaspidia
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XXVIII.—Descriptions and records of bees.—CVIII
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scientific article published in 1935
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XXX.—Descriptions and records of bees.—LXVI
XXX.—Descriptions and records of bees.—LXXI
XXX.—The Halictine Bees of the Australian Region
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XXXI.—African Anthophorid Bees
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scientific article published in 1946
XXXI.—Descriptions and records of bees.—CII.
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XXXI.—Descriptions and records of bees.—CLXIV
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scientific article published in 1937
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scientific article published in 1932
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scientific article published in 1943
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scientific article published in 1935
XXXII.—Descriptions and records of bees.—CXCII
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scientific article published in 1943
XXXII.—Descriptions and records of bees.—CXIX
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XXXII.—Notes on slugs, chiefly in the collection at the British Museum
XXXIII.—Descriptions and Records of Bees.—III
XXXIII.—Descriptions and records of bees.—CLIII
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XXXIII.—Descriptions and records of bees.—LXXVII
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XXXIV.—Descriptions and records of bees.—XXXV
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XXXIX.—Contributions from the New Mexico biological station.—V. Some new hymenoptera from the Mesilla Valley, New Mexico
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XXXIX.—Contributions from the New Mexico biological station—XII. On some genera of bees
XXXIX.—Descriptions and records of bees.—CXLVIII
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XXXIX.—Descriptions and records of bees.—XXXIII
XXXIX.—Descriptions and records of bees.—XXXVIII
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XXXIX.—The Carboniferous insects of Maryland
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XXXV.—Descriptions and records of bees.—CXLVI
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XXXVI.—Descriptions and records of bees.—XXII
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XXXVI.—Fossil Arthropods in the British Museum.—I
XXXVII.—Bees of the genus Anthophora from Africa
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scientific article published in 1946
XXXVII.—Descriptions and records of bees.—CXCVIII
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XXXVII.—Descriptions and records of bees.—LXXXVII
XXXVII.—New North-American insects
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XXXVII.—The scales of the Brotulid fishes
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XXXVIII.—<i>Descriptions and Records of Bees.</i>—CLXXXII
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XXXVIII.—Descriptions and records of bees.—XLIII
XXXVIII.—Some African Bees of the Genus Nomia
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ZOOLOGY AND THE MOVING PICTURES
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Zoological Nomenclature
Zöology; a textbook for colleges and universities
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Yonkers-on-Hudson, N. Y., World book company, 1920.
“Rosa stellata”
“Species or Subspecies?”