The Cambridge natural history, Vol. 03 (of 10)Note 335 — Chapter IX · THE SHELL, ITS FORM, COMPOSITION AND GROWTH—DESIGNATION OF ITS VARIOUS PARTSReading editionArch. Naturgesch. xlii. p. 209.◇Copy noteReturn to CHAPTER IX THE SHELL, ITS FORM, COMPOSITION AND GROWTH—DESIGNATION OF ITS VARIOUS PARTS