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

 - New York  Columbia University Press  1953. 
 - xx, 434 p.  illus.  24 cm. 
 - Columbia biological series  no. 17 .
<br/><br/> Based on the author's Tempo and mode of evolution. 
<br/><br/>Bibliography: p. [395]-413. 
<br/><br/><label>LCCN: </label>53010263 //r91 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution Biology
<br/><br/><label>LC Class. No.: </label>QH366  / .S57 
<br/><br/><label>Dewey Class. No.: </label>575.01