Simpson, George Gaylord, 1902-  Simpson, George Gaylord, 1902- <br/><br/>
The major features of evolution. 

 - New York :  Columbia University Press,  [1965] 
 - Columbia biological series ;  no. 17 .
<br/><br/> First published in 1953.  Based on the author's Tempo and mode in evolution. 
<br/><br/>Bibliography: p. [395]-413. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution.