Barnes, Robert D.  1927-1993 <br/><br/>
Invertebrate zoology / 
Robert D. Barnes 
 - 5th ed. 
 - Philadelphia :  Saunders College Publishing,  1987 
 - 893 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>003008914X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates