Simpson, George Gaylord,  1902-1984. <br/><br/>
The meaning of evolution / 
George Gaylord Simpson. 
 - A special revised and abridged edition 
 - 192 pages :  illustrations , figures ;  18 cm. 
 - A Mentor book,  66 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution (Biology)<br/>Evolution.
<br/><br/><label>LC Class. No.: </label>QH366  / .S58 1958 
<br/><br/><label>Dewey Class. No.: </label>575