Note 260 — Chapter V

Of the closeness of his observation may be instanced (1) the development by the cuttle fish during the breeding season of one of his arms for transference to the mantle-cavity of the female—a function of which Cuvier himself was ignorant, and which was not rediscovered till the latter end of the last century, and (2) the method of bringing forth of the shark—γαλεὸς λεῖος—which was forgotten, till Johannes Müller brought it to light. See D’Arcy Thompson, op. cit., pp. 19-21.