. Molluska ... Ariophanta semirugata, Beck (Galaxis), Ind. P. 42 (1837); PFR. (Helix) Mon. Hel. i, 1847, p. 40; ID. T. c. VII, p. 75 ; H. 8F T.(Helix) C. 1. 1876, pi. 59, fig. 4; Nev. Hand-l. i, 1878, p. 51.Helix globulus, Mart. chemin 8f Système Conch.-Cub. ix, 2, p. 126, pi. 130, fig. 1159-60 (1786) ; née Mull. Hist. Ver. ii, p. 68(1774).Galaxis tranquebarica, Fabr. Mme., 1876, Beck, I. c. no descr.; PFR.(Helix) Mon LW AT . Hel. i, 1847, p. 41; ID. T. e. VII, p. 75; 8tol. (Helix)J.A.S.B. xli, 1872, 2, p. 212 (note de bas de page); Godwin-Austen (Nilgiria),mol. Index ii, p. 78, pi. 81 [fig. 3-3 d, animal, organes génitaux

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. Mollusca ... Ariophanta semirugata, Beck (Galaxis), Ind. p. 42 (1837);Pfr. (Helix) Mon. Hel. i, 1847, p. 40; id. t. c. vii, p. 75 ; H. 8f T.(Helix) C. 1. 1876, pi. 59, fig. 4; Nev. Hand-l. i, 1878, p. 51.Helix globulus, Mart. 8f Chemn. Syst. Conch.-Cub. ix, 2, p. 126, pi. 130, figs. 1159-60 (1786); nee Mull. Hist. Ver. ii, p. 68(1774).Galaxis tranquebarica, Fabr. MS., 1876, Beck, I. c. no descr.; Pfr.(Helix) Mon. Hel. i, 1847, p. 41; id. t. e. vii, p. 75; 8tol. (Helix)J.A.S.B. xli, 1872, 2, p. 212 (footnote); Godwin-Austen (Nilgiria), Mol. Ind. ii, p. 78, pi. 81 [figs. 3-3 d, animal, genitalia, witlispermatopbore; pi. 82, fig. 3, radula (1898)]; id. t. c. ii, p. 136(1899) [pi. 94, figs. 5-5 e, spermatophore], pi. 98 [figs. 2-2 b, anatomy and sculpture]. Shell perforate, globose or globosely conoid to depressedlyglobose, pale brownish to whitish, finely decussated aboye withoblique striae and spiral impressed lines, the latter sometimesfaint or wanting ; smoother below ; suture very little impressed ;. Fig. 21.—Ariophanta seminigata. . whorls 5-6, slightly convex, the last large and swollen, generallydescending near the mouth; aperture roundly or ovally lunate;peristome tliin, reflected near the umbilicus. Major diam. 33, min. 28, height 28 mm. Hai). The greater part of the Peninsula of India from theNerbudda and Son southwards, GvAck (Stoliczha); also in NorthernCeylon. Common in open country. A very variable shell, the spire especially varying in elevation.An average specimen (figured) from Trichinopoly gives themeasurements above quoted; others from the same place measure37, 33, 34, and 33, 30, and 35 mm. Another measures 30, 25, 24. d2 36 ZONIIID^. A. semirugata is a thinner smoother variety; A. tranqueharieathicker, with stronger sculpture, and more globose. Animal with a triangular right dorsal lobe to the mantle and along narrow left dorsal lobe. Foot not divided. In the genitalia distal portion of penis-sheath very long andconvolute; the retractor muscle of

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