The Cambridge natural history, Vol. 03 (of 10)Note 212 — Chapter IV · USES OF SHELLS FOR MONEY, ORNAMENT, AND FOOD—CULTIVATION OF THE OYSTER, MUSSEL, AND SNAIL—SNAILS AS MEDICINE—PRICES GIVEN FOR SHELLSReading editionNature, xxxi. 1885, p. 492.◇Copy noteReturn to CHAPTER IV USES OF SHELLS FOR MONEY, ORNAMENT, AND FOOD—CULTIVATION OF THE OYSTER, MUSSEL, AND SNAIL—SNAILS AS MEDICINE—PRICES GIVEN FOR SHELLS