Barnes, Robert D. <br/><br/>
Invertebrate zoology / 
Robert D. Barnes. 
 - 3rd edition. 
 - Philadelphia :  W. B. Saunders Company,  c1974. 
 - 868 pages :  Illustrations ;  27 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates.
<br/><br/><label>LC Class. No.: </label>QL362  / .B27 1974 
<br/><br/><label>Dewey Class. No.: </label>592