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.) ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology<br/>Evolution<br/>Adaptation (Biology)<br/>Ecology