Note 250 — 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
R. Rimmer, Land and Fresh-Water Shells, p. 119.
Reading edition
R. Rimmer, Land and Fresh-Water Shells, p. 119.