The Cambridge natural history, Vol. 03 (of 10)Note 136 — Chapter III · ENEMIES OF THE MOLLUSCA—MEANS OF DEFENCE—MIMICRY AND PROTECTIVE COLORATION—PARASITIC MOLLUSCA—COMMENSALISM—VARIATIONReading editionRev. Nat. Sc. Ouest, 1891, p. 261.◇Copy noteReturn to CHAPTER III ENEMIES OF THE MOLLUSCA—MEANS OF DEFENCE—MIMICRY AND PROTECTIVE COLORATION—PARASITIC MOLLUSCA—COMMENSALISM—VARIATION