The Cambridge natural history, Vol. 03 (of 10)Note 82 — Chapter II · LAND AND FRESH-WATER MOLLUSCA, THEIR HABITS AND GENERAL ECONOMYReading editionAmer. Nat. xi. (1877) p. 100; Proc. Calif. Ac. iii. p. 329.◇Copy noteReturn to CHAPTER II LAND AND FRESH-WATER MOLLUSCA, THEIR HABITS AND GENERAL ECONOMY