. Mollusca ... Mollusks. 268 ENIDJB. separated by the shorter, more compressed spire, and from C. distans by the shorter spire, the broader base, and the coarser and more distant ribs, while, on the other hand, it agrees with C. densus in having the columellar margin oi' the peristome broadly and triangularly dilated, forming a distinct angle with the basal margin. I here figure a shell (fig. 99) in the British Museum from Sholapur, Central India, received from Arthur A. West, which has a more elongated spire than typical moussonianus, measuring 18xll"5 mm. and somewhat approaches C. dist
. Mollusca ... Mollusks. 268 ENIDJB. separated by the shorter, more compressed spire, and from C. distans by the shorter spire, the broader base, and the coarser and more distant ribs, while, on the other hand, it agrees with C. densus in having the columellar margin oi' the peristome broadly and triangularly dilated, forming a distinct angle with the basal margin. I here figure a shell (fig. 99) in the British Museum from Sholapur, Central India, received from Arthur A. West, which has a more elongated spire than typical moussonianus, measuring 18xll"5 mm. and somewhat approaches C. distans in shape, while fig. 100 represents another specimen in the British Museum, labelled " India " only ; the latter approximates closely to Petit's original figure, except in being a trifle smaller, measuring 15-5 X 10'5 Fig. 100.— C'emstus moussonianus. Shell 3, sculpture y. Three specimens in the Cuming collection, collected by Pairbank at Ahmednuggar, are labelled moussonianus, Pfeiffer; they are larger than the type, being 18 mm. long. 238. Cerastus segregatus, Reeve. Bulinms segregatus (Benson), Eeeve, Ooncli. Icon, v, 1849, Bulimus, pi. 79, iig. 587; Pfeiffer, Men. Helic. Viv. iii, 1853, p. 440; ibid., , Bulimus, 1853, p. 77, pi. 21,figs. 8, 9; Hanley & Theobald, Conch. Ind. 1874, pi. 80, fig. 10. Bulimus (Napaeus) segregatus, Pfeiflsr, Malak. Blatt. ii, 1856, p. 153. Buliminus segregatus, var. minor, von Martens, Imp. Obsh. Lyubi. Estest. Antrop. Etnoghr. xi, part i, 1874, p. 21, pi. 2, fig. 16. Najjceus segregatus, Theobald, J. A. S. B. xlvii, 1878, p. 145. Bulimina (Pachnodus) segreguta, Pfeiifer & Clessin, Nomencl. Helic. Viv. 1881, p. 284. Buliminus segregatus, Ancey, Bull. See, Malac. France, iii, 1886, p. 46; Westerlund, Fauna Palaarct. Binnenoonchyl. iii, 1887, p. 72; ibid., Katal. Palaarct. Binnenconch. 1890, p. 92; ibid., Syn. Moll. Extramar. Beg. Palsearct. i, 1897, p. 11. Buliminus {Chondrulopsis) segregatus, Westerlund, Fa
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