Textbook of Zoology :  invertebrates / 
Edited by A. J. Marshall, W. D. Williams. 
 - Seventh edition. 
 - New Delhi :  A.I.T.B.S Publishers,  1995. 
 - xix, 874apges :  illustrations ;  25 cm. 
<br/><br/> Includes index.  
<br/><br/><label>ISBN: </label>8174730311  pbk. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>592  / MAR