scientific article published in 1925

scientific article published in 1947

scientific article published in 1941

scientific article published in 1942

scientific article published in 1933

London: BM(NH), 1928.

scientific article published in 1957

scientific article published in 1949

scientific article published in 1941

scientific article published in 1947

scientific article published in 1937

scientific article published in 1959

scientific article published in 1941

scientific article published in 1929

scholarly article by George Gaylord Simpson & José Luis Minoprio published 1949 in American Museum Novitates

scientific article published in 1931

1931

scientific article published in 1936

scientific article published in 1933

1933

scientific article published in 1959

scientific article published in 1931

scientific article published in 1924

scientific article published in 1928

scientific article published in 1938

scientific article published in 1934

scientific article published in 1955

scientific article published in 1956

scientific article published in 1971

scientific article published in 1929

scientific article published in 1933

scientific article published in 1936

scientific article published in 1942

scientific article published in 1930

scientific article published in 1936

scientific article published in 1937

scientific article published in 1929

scientific article published in 1928

scientific article published in 1928

scientific article published in 1930

scientific article published in 1951

scientific article published in 1928

New Haven, Yale university press;1929.

scientific article published in 1947

scientific article published in 1937

scientific article published in 1954

scientific article published in December 1946

scientific article published in 1949

1949

scientific article published in 1985

scientific article published in 1936

scientific article published in 1972

scientific article published in 1926

scientific article published in 1938

1938

scientific article published in 1935

scientific article published in 1941

scientific article

scholarly article by George Gaylord Simpson published in January 1935

scientific article

1932

scientific article published on 15 September 1980

scientific article published in 1959

scientific article published in 1946

1946

scientific article published in 1928

scientific article published in 1933

1933

scientific article published in 1928

scientific article published in 1930

scientific article published in 1941

written work by George Gaylord Simpson

scientific article published in 1927

article published in 1927

scientific article

scientific article published in 1931

1931

scientific article published in 1938

scientific article published in 1941

scientific article published in 1932

scientific article published in 1928

scientific article published in 1937

scholarly article by George Gaylord Simpson published 1974 in American Museum Novitates

scientific article published in 1945

1945

scientific article published in 1937

scientific article

scientific article published in 1935

article published in 1938

scientific article published in 1946

scientific article published in 1929

scientific article published in 1928

scientific article published in 1931

1931

scientific article published in 1929

1929

scientific article published in 1928

scientific article published in 1934

scientific article

scientific article published in 1946

article by George Gaylord Simpson published 1936 in American Museum Novitates

scientific article published in 1937

scientific article published in 1941

scientific article published in 1936

scientific article published in 1940

book by George Gaylord Simpson

scientific article published in 1930

scientific article

scientific article published in 1959

scientific article published in 1941

written work by George G. Simpson

scientific article published in 1955

scientific article

scientific article published in 1935

scientific article published in 1935

scientific article published in 1935

scientific article published in 1941

scientific article published in 1948

scientific article published in 1967

scientific article published in 1929

scientific article published in 1941

scientific article published in 1959

book by George Gaylord Simpson

scientific article published in 1957

scientific article

scientific article published in 1952

scientific article published in 1941

scientific article published in 1929

scientific article

scientific article published in 1959

scientific article published in 1956

biological term