Cambridge natural history - Harmer, S. F. (England Wheldon & Wesley)
Contents
v.1: Protozoa, porifera (sponges), coelenterata and ;ctenophora and echinodermata
v.2: Worms, rotifers and polyzoa
v.3: Molluscs and ;brachiopods
v.4: Crustacea and arachnids
v.5: Insects pt.I