The Oxford book of invertebrates : protozoa, sponges, coelenterates, worms, molluscs, echinoderms, and arthropods (other than insects) /
Whiteley, Derek.
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.
019910008X
Invertebrates.
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.
019910008X
Invertebrates.