The Cambridge natural history, Vol. 03 (of 10)Note 35 — Chapter II · LAND AND FRESH-WATER MOLLUSCA, THEIR HABITS AND GENERAL ECONOMYReading editionBull. Soc. Linn. Nord, Abbeville, 1840, p. 150.◇Copy noteReturn to CHAPTER II LAND AND FRESH-WATER MOLLUSCA, THEIR HABITS AND GENERAL ECONOMY