PARKAR,T.J. <br/><br/>
Textbook of zoology:  invertebrates 
T.Jeffery Parker and William Haswell; edited by A.J.Marshall and W.D.Williams 
 - 7th ed. 
 - London  Macmillan  1972 
 - xix,870p.  ill. 
<br/><br/><label>ISBN: </label>333-14107-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INVERTEBRATES
<br/><br/><label>Dewey Class. No.: </label>ZOO 592  / PTn72