Cover titles: v.1. Protozoa, coelenterates, echinoderms, etc. -- v.2. Worms, rotifers and polyzoa -- v.3. Molluscs and brachiopods -- v.4: Crustacea and arachnids -- v.5. Peripatus, myriapods and insects pt.1 -- v.6. Insects pt .2 -- v.7. Fishes, ascidians, etc. -- v.8. Amphibia and reptiles -- v.9. Birds -- v.10. Mammalia.
2nd copy of v.1 [kept 593 CAM].
2nd copy of v.3 (US edition) [kept 594 COO].
2nd copy of v.3 (Reprint edition, 1959) [kept QML at 594 COO].
