Simpson, George Gaylord <br/><br/>
The major features of evolution/ 
by George Gaylord Simpson 
 - New York,  : Columbia University Press,  , 1953. 
 - xx, 434 p.  illus. 
<br/><br/> Based on the author's Tempo and mode of evolution. 
<br/><br/>Bibliography: p. [395]-413. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution (Biology)
<br/><br/><label>Dewey Class. No.: </label>576.8 SIM/M