Whiteley, Derek. <br/><br/>
The Oxford book of invertebrates :  protozoa, sponges, coelenterates, worms, molluscs, echinoderms, and arthropods (other than insects) / 
illustrations by Derek Whiteley; text by David Nichols and John A. L. Cooke. 
 - London :  Oxford University Press,  1971. 
 - viii, 218 p.;  col. ill. 
<br/><br/><label>ISBN: </label>019910008X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates.