Gregory, William King <br/><br/>
Evolution emerging: a survey of changing patterns from primeval life to man 

 - New York  MacMillan Company Ltd  1951 
 - xxvi, 736p.  26cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phylogeny
<br/><br/><label>LC Class. No.: </label>QH371.G7