Russell, E. S.  1887-1956. <br/><br/>
The diversity of animals :  an evolutionary study / 
E. S. Russell 
 - Leiden :  E. J. Brill,  1962 
 - viii, 151 p. :  ill. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution<br/>Adaptation (Biology)