Material description : In-8° , paginé 198-216
Note : Note : Contributions from the Paleontological Laboratory. Peabody Museum, Yale University, New Haven, Conn. - From "American journal of science", Vol. XII, September, 1926
Edition : (S. l. n. d.)
Material description : XV-235 p.
Note : Note : Bibliogr. p. 159-163. Index
Edition : 1929 New Haven. - London Yale university press. - Humphrey Milford. - Oxford university press
Material description : In-8° (24 cm), VIII-557 p., fig. [Ech. int. 13-61]
Note : Note : Papers read at two conferences on behavior and evolution, held by the American psychological association and the Society for the study of evolution, at Arden House, Harriman, New York, on April 4 to 8, 1955, and at Princeton, New Jersey, on April 30 to May 5, 1956
Edition : 1958 New Haven Yale University press
George Gaylord Simpson est un paléontologiste américain. Il fut un expert des mammifères éteints et de leurs migrations.
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