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Show 736 MR. E. A. SMITH ON WEST-AFRICAN SHELLS. [Dec. 5, 74. PUOTOMA KNOCKERI, Baird, Proc. Zool. Soc. 1870, p. 59. Hab. Whydah. This new genus and species is well figured at the above page. 75. TROCHITA CHINENSIS, Linn. Syst. Nat. p. 1257. Hab. Whydah. A well-known European species, extending to the Canaries and West Africa. 76. CERITHIUM (CERITHIOPSIS?) GEMMULIFERUM, sp. nov. (Plate LXXV. fig. 22.) Testa parva, elongata, pallido-brunnea; anfract. 1\, primi 3 leeves, perconvexi; cceteri subplani, triseriatim granulati; series infra-suturalis minima; apertura subquadrata ; canalis brevis. Long. 4 mill., diam. 1. Hab. Whydah. This species at times probably attains a larger size. 77. CERITHIUM (CERITHIOPSIS?) CARINATUM, sp. nov. (Plate L X X V . fig. 21.) Testa elongata, pallido-brunnea ; anfract. lb, primi 3 laves, convexi, cceteri plani, carinis tribus (infima maxima) cincti; interstitio longitudinaliter concinne striata; apertura subquadrata canalis brevis. Long. 6 mill., diam. basi 1|. Hab. Whydah. 78. TRIPHORIS GRANULATA, Ad. & Beeve, Voy. Samarang, p. 46, pl. 11. f. 33, a, b. Hab. Whydah. The shells referred to this Chinese species differ in one character from it; viz. the granules of the middle row are constantly smaller than those of the two adjacent ones, in this respect agreeing with Triphoris fusca, Dkr., from Japan. 79. SOLARIELLA CANALICULATA, sp. nov. (Plate LXXV. fig. 28.) Testa parva, late umbilicata, margaritacea, pulcherrime prismatica spira depresso-conica ; anfract. 5, primi 2 leeves, cceteri spiraliter lirati et infra suturam canaliculatam tubercularum albidarum (hie illic castaneo notatarum) serie ornati; anfract. ult. carinis duabus custaneo-punctatis et basi zona purpureo-brunnea cinctus; umbilicus perspectivus, chorda tuberculari marginatus ; apertura subcircularis. Alt. 2 mill., diam. maj. 3. Hab. Whydah. A very pretty pearly species, with a channelled suture, and with a row of tubercles beneath it; about every seventh one is chestnut the rest whitish. The umbilicus is girt with a somewhat tubercular chord and a zone of purplish brown. |