Nichols, David. <br/><br/>
The Oxford book of invertebrates :  protozoa, sponges, coelenterates, worms, molluscs, echinoderms, and arthropods (other than insects) / 
illustration by Derek Whiteley text by David Nichols and John A.L. Cooke. 
 - Oxford :  Oxford University Press,  1979 
 - viii, 218 p. :    col, ill. ;    25 cm. 
<br/><br/> Reprint with correction.  First published, 1971. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>019910008X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates.