Note 260 — Chapter V · REPRODUCTION—DEPOSITION OF EGGS—DEVELOPMENT OF THE FERTILISED OVUM—DIFFERENCES OF SEX—DIOECIOUS AND HERMAPHRODITE MOLLUSCA—DEVELOPMENT OF FRESH-WATER BIVALVES
Reading edition
C. Ashford, Journ. of Conch. iii. p. 239, iv. pp. 69, 108.