374 Mr. J. Nietner on new Ceylon Coleoptera. peculiar form, named by Dr. Gould Agadina cucullata, which seems to belong to the family Limacinidce, was taken in the towing-net during the passage of H.M.S. ' Actseon^ across the North Atlantic, besides numerous interesting oceanic Crusta-ceans, including the genera Lucife?^, Hyperia, Phyllosoma, Am-phion, OxycephaluSy Alima, and Pontia. I am. Gentlemen, Yours very truly, Arthur Adams. Macgillivrayia echinata, A. Adams. M. testa cornea, diaphana, subglobosa, Isevi, nitida ; anfractibus 2^ serie spinarum acutarum vitrearum armatis ; apertura semiovata ; labio antice producto, in spinam acutam desinente. Hab. in Oceano Atlantico Boreali. Shell horny, pellucid, subglobose, smooth, shining ; whorls 2 J, with a series of long, sharp, vitreous spines round the pe-riphery, directed upwards and outwards. Aperture semioval; columellar lip produced anteriorly into a long pointed spine. Operculum annular, with the nucleus subcentral. Taken in the towing-net in the vicinity of the Cape de Verd Islands. This species differs from all the others known by the whorls being armed with a series of recurved calcareous spines. XXIX. — Descriptions of new Ceylon Coleoptera. By John Nietner, Colombo, Ceylon. [Continued from p. 249.] Anchistttj n. g., N. Corpus depressum, ovatum. Mentum dente magno obtuse, lobis parum breviore, his extus rotundatis, apice acuminatis. Palpi ro-busti, maxillares art. ultimo magno ovato, apice obtuso, labiales art. ultimo valde securiformi. Ligula cornea apice obtuse acuminata, labri marginem anteriorem attingens. (Paraglossae a me non dis-sectse.) Labrum transversim quadratum. Mandibulae simpUces apice arcuatse et acuminatee. Antennae robustse art. P mediocri, 2° brevi, 3° quarto paulo longiore, 4-10 subsequalibus, ll^ penultimo parum longiore. Thorax longitudine latior, angulis anticis rotundatis, medio obsolete angulatus, basi angu status, angulis rectis. Elytra apice quadrate truncata. Pedes robusti, tarsi art. 4° profunde bilo-bato, unguibuB fortiter pectinatis.