18f)7.] MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. 185 species, until he has obtained examples of them, when their validity is readily acknowledged*. As regards species of which our excellent Foreign INIember has authenticated specimens, every one would wish to hear his views, and will respect them, although he may not agree with them. But it would be certainly more prudent not to condemn in this wholesale manner species with which he is not acquainted autoptically, and described by naturalists in other countries who occasionally have the advantage of examining specimens not yet possessed by the Leyden Museum. 4. A List of Species of Marine Mollusca found in Port Jack-son Harbour, New South Wales, and on tlie adjacent Coasts, with Notes on their Habits, &c. By Gteorge French Angas, F.L.S., C.M.Z.S., &c.— Part I. [Tliose species marked with an asterisk ( * ) have been described from speci-mens ill my own collection. — G. F. A.] Class CEPHALOPODA. Fam. OcTOPODiDiB. Several species of Octopus, including one of very large size (together with species of Cistojyus, Pinnoctopus, Eledone, 8lc.), are occasionally to be met with in Port Jackson. Unfortunately but little attention has hitherto been paid to animals of this class in Australia. A careful examination and description of all the existing species would, however, well repay the researches of a naturalist in that part of the world . Fam. Argonautid^. 1. Argonauta argo. Aryonauia argo, Linn. ; Reeve, Conch. Syst. v. 2, pi. 300. Very large shells of this species of Argonaut are occasionally washed on shore upon the sandy beaches along the coast of New South Wales. It seems to be identical with the A. argo of the Mediter-ranean. Length 10 inches. 2. Argonauta oryzata. Argonauta oryzata, Meusch. Mus. Gev. 252. n. 133. A. tuberculata, Shaw, Nat. Misc. xxiii. t. 995. Small examples of A. oryzata are now and then found about Port Jackson, and on the beach at Coodgee and Botany Bay. It is in * E. g. Dacelo tyro, G. R. Gray, stated (Musee d. P.-B. Alcedines, p. 20) to be = D. gaudichaudi ! Tanysiptera nympha united (/. c. p. 43) with T. dea ! and both subsequently acknowledged to be valid (Ned. Tijdschr. 186.'), pp. 250 et 339).
A list of species of marine Mollusca found in Port Jackson harbour, New South Wales, and on the adjacent coasts, with notes on their habits, etc. Part I
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