Villee, Claude Alvin,  1917- <br/><br/>
General zoology / 
Claude A. Villee, Warren F. Walker, Jr., Robert D. Barnes 
 - 5th ed. 
 - Philadelphia  W. B. Saunders  1978 
 - 997 p. :  ill. ;  27 cm. 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0721690394 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology