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Show 272 MR. H. ADAMS ON NEW MARINE SHELLS. [Apr. 22, 4. Descriptions of a New Genus and Fourteen New* Species of Marine Shells. By H E N R Y ADAMS, F.L.S. (Plate XIX.) CONUS (CORONAXIS) CERNICUS, Barcl. MS. (Plate XIX. fig. 1.) C. testa conica, solida, polita, spiraliter puncto-striata, striis validioribus et propinquioribus; spira elevata, convexo-conica, sutura valde impressa; anfr. 9, angulatis, coronatis; cinereo-alba, rubido-fulvo fasciata et nebulosa, maculis albis aspersis, juxta suturas rubido-fulvo notata; apertura angusta, lineari. Long. 25, lat. 12 mill. Hab. Barkly Island, Mauritius (Coll. Barclay). This and several of the following species were procured at Mauritius after a late severe storm, by which large masses of coral were displaced and formed into a small island on the coast, which has been named Barkly Island, after the Governor Sir Henry Barkly. CLATHURELLA ROBILLARDI, Barcl. MS. (Plate XIX. fig. 2.) C. testa turrita, tenui, alba, costis validis rotundatis ad 10 longitudinaliter ornata, costulis transversis et striis longitudinalibus ; anfr. 9, convexis, postice excavatis, ultimo *• longitudinis testce; apertura anguste lunata; columella costulis obliquis insculpta; labro incrassato, intus subsulcato; sinu angusto, haud profundo; rostro longo, recurvo. Long. 25, lat. 8^ mill. Hab. Barkly Island, Mauritius (Coll. Barclay). DRILLIA BARKLIENSIS, H. Ad. (Plate XIX. fig. 3.) D. testa elongato-turrita, roseo-fulvida, longitudinaliter striata, basim plicata; spira anfr. 8, prope suturam excavatis, costulis granulosis (granulis albis) cinctis, interstitiis transversim striatis, ad medium nodulis albis ornatis; apertura oblonga, ^ longitudinis testce eequante; columella rectiuscula; sinu mediocri; labro extus varicoso, macula fulva notato. Long. 18, lat. 6| mill. Hab. Barkly Island, Mauritius (Coll. H. Ad.). I am indebted to Mr. Caldwell, of Mauritius, for an example of this species. CORALLIOPHILA CORONATA, Barcl. MS. (Plate XIX. fig. 4.) C. testa imperforata, ovato-fusifor mi, plicis longitudinalibus distantibus, et costis transversis undulatis confertis sculpta, in medio anfractus ultimi costis duabus validioribus, posteriore spinis cur-vatis armata; purpvreo-fulva, costis transversis pallidioribus; anfr. 7, convexis, ultimo dimidiam longitudinis testce superante; apertura acuminato-ovata, intus violacea; columella leevi, sim- |