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Show 1890.] MARINE MOLLUSCA OF ASCENSION ISLAND. 319 MARGINELLA CAPENSIS, Dunker. Hab. Ascension (Weinkauff). Other localities for this species are South Africa and Guinea. MARGINELLA ZONATA, Kiener. Hab. Ascension (Weinkauff); Cape of Good Hope. MARGINELLA DUNKERI, Krauss. Hab. Ascension (Weinkauff) ; Cape of Good Hope. MITRA STRIATULA, Lamarck. This well-known West-Indian species has not been previously recorded from the eastern side of the Atlantic. Of the two specimens obtained by Dr. Conry, one, which has lost the spiral striation through being beach-rolled, is very remarkable, and plentifully spotted with the opaque white which is so characteristic of this species. The other specimen is in fresh condition, and possesses all the features of typical examples from the West Indies. The shell figuied by Sowerby (Thes. Conch, pi. 353. fig. 204) under the name of M. barbadensis is an immature specimen of this species. EULIMA CHYTA, Watson. Eulima chyta, Watson, Report 'Challenger' Gasteropoda, p. 516, pi. xxxvi. fig. 5. Hab. Ascension Island, 420 fathoms. IANTHINA GLOBOSA, Swainson. Hab. Ascension Island (Lesson). This species is quoted by Lesson (Voy. Coquille, Zool. vol. ii. p. 366) under the name of L. prolongata, Blainville. CYPR-EA LURIDA, Linne. Hab. Ascension (Lister). CYPR_EA SPURCA, Linne. Besides two specimens received from Dr. Conry, the British Museum possesses a third, presented by R. Trimen, Esq. LITTORINA MILIARIS, Quoy & Gaimard. Hab. Ascension Island (Q. § 67., Philippi, Conry, Craven). PLANAXIS LINEATUS (Da Costa). Hab. Ascension (Conry). RISSOINA BRYERIA (Montagu). Hab. Ascension Island (B. Trimen). RISSOA (SETIA) TENUISCULPTA, Watson. Rissoa (Setia) tenuisculpta, Watson, Proc. Zool. Soc. 1873, p. 389, pi. xxxvi. fig. 28; Gasteropoda of the 'Challenger' Exp. p. 607. Hab. Mediterranean, Madeira, Ascension Island, and West Indies (25-420 fathoms). 22* |