The Cambridge natural history, Vol. 03 (of 10)Note 38 — Chapter II · LAND AND FRESH-WATER MOLLUSCA, THEIR HABITS AND GENERAL ECONOMYReading editionMoquin-Tandon, Moll. de France, i. p. 116.◇Copy noteReturn to CHAPTER II LAND AND FRESH-WATER MOLLUSCA, THEIR HABITS AND GENERAL ECONOMY