Kelly, Mahlon G. <br/><br/>
Biology, evolution and adaptation to the environment / 
Mahlon G. Kelly, John C. McGrath. 
 - Boston :  Houghton Mifflin,  1975. 
 - xii, 558 p. :  ill. (some col.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.<br/>Evolution (Biology)<br/>Adaptation (Biology)<br/>Ecology.