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. 270.618 EDGAE A. SMITH.265. Clanculus atropurpureus, Gould [Trochus (Clanculus) atropurpureus, 3^, XI.) IX, XIII.266. Perrinia angiilifera, A. Adams (PI. XXXV. fig. 27) ;{Turcica (Perrinia) angulifera,34, XI). X.267. Forskalia pulcherrima, A. Adams {Gibbula pukherrima, Pilsbry, 34, XI.) IV, VI.268. Monilea calyculus, Wood, 34, X7. II—IV.269. Monilia simulans. Smith, var. 39, c. V, VI, X.These specimens differ from the type in having only very faint indications of the nodoseplications at the upper angle of the whorls. They also differ in colour, being paler and less rosy.Trochus {Monilea) warnefordi, G. and H. Nevill, may be the same as this species.Ethalia rhodomphala, n. sp. (PL XXXVI. figs. 1, 2). Ill, V, X.Testa orbiculata, supra breviter conica, semiobtecte anguste umbilicata, ad peripheriam acuteangulata, supra albida, maculis paucis remotis fuscis et lineis tenuissimis irregularibus undulatisradiatim picta, ad peripheriam maculis semipellucidis roseo pictis ornata, infra lineis albis opacisirregularibus subziffzagformibus variesata, circa umbilicum rosea ; anfractus sex leves, nitidi, ultimuscirca medium striis paucis sculptus, circa umbilicum radiatim plicatus ; apertura oblique subquadrata,margaritacea, iridescens ; columella crassa, in medio margaritacea, valde reflexa, alba vel rosea, callosa,umbilicum semiobtegens.Diam. maj. 8 mm., min. 7, alt. 3|.Viewed with the naked eye, the upper surface of this shell looks whitish with a few brownradiating blotches. A closer inspection with a lens, however, reveals the presence of very tinelineation, more or less broken up, undulating or dotted. The puckering around the umbilicus ispinkish, the rest of the base being covered with opaque white irregular markings upon a subtranslucentground. The last whorl is angled at the periphery and above the angle is markedwith a few distinct spiral striae.Family STOMATELLIDAE.271. Gena auricula, Lamarck, 34, XIL IX, XIII.Family HALIOTIDAE.272. Haliotis ovina, Chemnitz, 34, XII. IX, XII.The number of open perforations may vary from two to six.Family FISSURELLIDAE.273. Glyphis bombayana, Sowerby, 34, XII. IX.274. Glyphis singaporensis. Reeve, 34, XII. XIII.275. Emarginula incisura, A. Adams, 34, XII. XIII.The locality of this species has not previously been recorded. The single specimen obtainedis of a greenish yellow tint externally and the central portion of the interior is of a somewhatsimilar colour. The anterior slit is verj"- peculiar, being clean-cut, and extending from the marginalmost to the apex.