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Show 1891.] MR. E. A. SMITH ON SHELLS FROM ADEN. 425 are, however, larger and narrower and much more finely and sculptured than the normal form. They do not seem to belong to T. araneosus, Philippi, which is quoted by Caramagna from Aden. T. gratus, Desh., and T. quadriradiatus, Desh., should, I think, regarded as varieties of T. obscurata. 203. TAPES VIRGINEUS, Linn. Hab. "In Indiis" (Linn.); New Holland (Romer); China Sea (Philippi). Ron.er's figure 3 d on plate xxxiii. of his monograph of Tapes represents the form of the specimen from Aden, but the colouring is not quite the same. 204. VENERUPIS MACROPHYLLA, Deshayes. Hab. Philippine Islands ; Aden (Jousseaume). A few specimens from Aden apparently belong to this species, which A. H. Cooke unites (and probably correctly) with V. irus, Linn. This may be the same species as that quoted by Caramagna x from Assab, at the southern end of the Red Sea, under the name Venerupis cordieri, Desh., originally described from Californian specimens. 205. PSAMMOT^A OBLONGA, Deshayes. Psammotella oblonga, Reeve, Con. Icon. f. 7. Hab. ? The finest example from Aden is considerably larger and of thicker substance than the shell figured by Reeve. It is 83 millim. long and 41 high. The valves towards the umbones are purplish, the rest of the surface being dirty whitish. The purple tint behind the apices is much darker than in front. 206. PSAMMOBIA (HETEROGLYPTA) CORRUGATA, Deshayes. Hab. Zebu, Philippines. 207. PSAMMOBIA PALLIDA, Deshayes. P.pallida, Desh. Proc. Zool. Soc. 1854, p. 323. Hab. Red Sea ; Malacca (malaccana and suffusa). P. malaccana, Reeve, is a synonym of this species, and P. suffusa, Reeve, a variety. 208. ASAPHIS DEFLORATA (Linn.). Hab. Red Sea, Indian and Pacific Oceans ; also West Indies; Aden (Caramagna). 209. TELLINA (TELLINELLA) SULCATA, Wood. Hab. Philippine Islands, Red Sea; Aden (Cooke). The figures in Romer's monograph of Tellina (Conch.-Cab. pi. 13. ff. 4, 5, 6) give a good idea of the Aden specimens. This species in Cuming's collection bears the name of T. woodii, Deshayes, but I do not think that this has been published. 1 .Bull. Soc. Mai. Ital. 1888, vol. xiii. p. 139. |