Engemann, Joseph G.; <br/><br/>
Invertebrate zoology / 
Joseph G. Engemann, Robert W. Hegner. 
 - Third edition. 
 - New York :  Macmillan,  1968. 
 - xxi, 746pages :  illustrations ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label> pbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>592  / ENG