The Cambridge natural history, Vol. 03 (of 10)Note 45 — Chapter II · LAND AND FRESH-WATER MOLLUSCA, THEIR HABITS AND GENERAL ECONOMYReading editionW. Harte, Proc. Dubl. N. H. Soc. iv. p. 182.◇Copy noteReturn to CHAPTER II LAND AND FRESH-WATER MOLLUSCA, THEIR HABITS AND GENERAL ECONOMY