Dillon, Lawrence S. <br/><br/>
Animal variety  an evolutionary account 
Lawrence S. Dillon. 
 - 4th ed. 
 - Dubuque, Iowa  W. C. Brown Co. Publishers  c1980. 
 - viii, 382 p.  ill. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0697045900 
<br/><br/><label>LCCN: </label>79053484  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology--Variation.<br/>Evolution
<br/><br/><label>LC Class. No.: </label>QH408  / .D45 1980 
<br/><br/><label>Dewey Class. No.: </label>591.38  / D579a4