The Cambridge natural history, Vol. 03 (of 10)Note 236 — Chapter IV · USES OF SHELLS FOR MONEY, ORNAMENT, AND FOOD—CULTIVATION OF THE OYSTER, MUSSEL, AND SNAIL—SNAILS AS MEDICINE—PRICES GIVEN FOR SHELLSReading editionDe re rustica, iii. 14.◇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