OCR Text |
Show 1891.] MR. E. A. SMITH ON SHELLS FROM ADEN. 419 larger size, and the different tint of the columellar callus. three specimens of this very interesting species in the Museum, two presented by Mr. Baynham and one by Major Yerbury. The specimen in best condition exhibits a faint pinkish tint upon the upper part of the spire. Most of the pale brownish or luteous colour is upon the back of the shell, and seems to be divided up into zones by a submedian white band and a narrower one upon the angle above. The constriction of the whorls at the upper part forms a very distinct sutural margination. 160. STROMBUS FUSIFORMIS, Sowerby. Hab. Aden (Caramagna) ; N. Australia (Reeve) ; Red Sea and Indian Ocean. 161. PTEROCERA BRYONIA (Gmelin). Hab. Red Sea, Aden (Caramagna); Seychelles, Amirantes, Madagascar, Mauritius, Bourbon, East Africa, Ceylon, Japan, &c. 162. ROSTELLARIA CURVIROSTRIS, Lamarck. Hab. Red Sea, Persian Gulf; Aden (Caramagna) ; Moluccas. 163. NERITA POLITA, Linn. Hab. Berbera and Assab (Caramagna); Indian and Pacific Oceans; Aden (Cooke). 164. NERITA ALBICILLA, Linn. Hab. Aden (Caramagna) ; Red Sea, Indian and Pacific Oceans. 165. NERITA QUADRICOLOR, Gmelin. Hab. Red Sea, Mozambique, Natal, Bombay, Java. 166. NERITA LONGII, Recluz. Hab. Aden, Socotra, Bombay. N. arabica, Reeve, is, as stated by Martens, a synonym of this species and not related to N. chamceleon, Linn., as supposed by Iryon. 167. TURBO RADIATUS, Gmelin. Hab. Red Sea and Persian Gulf; Madagascar. T. radiatus, Reeve (non Gmelin), = T. elegans, Philippi, is altogether a very distinct species. 168. TURBO (MARMOROSTOMA) CORONATUS, Gmelin. Hab. Aden, Red Sea, Natal, Zanzibar, Cochin China, Moluccas, UTgmnulatus, Gmel., should, I think, be considered a variety^this species. The umbilication of some specimens and the 'nipertorate columella in others has yet to be accounted for. This difference occurs in specimens otherwise precisely similar. |