Barnes, Robert D. <br/><br/>
Invertebrate zoology/  
Robert Barnes 
 - Philadelphia:   W. B. Saunders Company,   1963 
 - xiii, 632p.:   ill. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates
<br/><br/><label>LC Class. No.: </label>QL 362.B27 BAR 1963