POLYZOA—continued
FRESH-WATER POLYZOA—PHYLACTOLAEMATA—OCCURRENCE—STRUCTURE OF CRISTATELLA—DIVISION OF COLONY—MOVEMENTS OF COLONY—RETRACTION AND PROTRUSION OF POLYPIDES IN POLYZOA—STATOBLASTS—TABLE FOR DETERMINATION OF GENERA OF FRESH-WATER POLYZOA—REPRODUCTIVE PROCESSES OF POLYZOA—DEVELOPMENT—AFFINITIES—METAMORPHOSIS—BUDDING 492
The Cambridge Natural History, Vol. 02 (of 10) · The Wunder Library — complete classics, free to read, with narration.