The Cambridge natural history, Vol. 03 (of 10)Note 92 — Chapter II · LAND AND FRESH-WATER MOLLUSCA, THEIR HABITS AND GENERAL ECONOMYReading editionSee Tennent’s Ceylon, i. p. 221, ed. 5.◇Copy noteReturn to CHAPTER II LAND AND FRESH-WATER MOLLUSCA, THEIR HABITS AND GENERAL ECONOMY