Nichols, David <br/><br/>
The Oxford book of invertebrates  protozoa, sponges, coelentera- tes, worms, molluscs, echinoderms, and arthropods (other than insects) 
illustrations by Derek Whiteley, text by David Nichols and John A.L.Cooke 
 - Oxford  Oxford University Press  1979 
 - 218p. ill. 25cm. 
<br/><br/> Reprinted with corrections 1979 
<br/><br/>Bibliography: p.210 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates