. Mollusca ... e; peristome simple, nearly in oneplane, thin, the margins converging, columeUar reflected above. Major diam. 21, min. 20, axis 11 mm. Sab. The hills of South-western Ceylon, at an elevation ofabout 3000 feet; Pusilawe (Layard) ; Watawale (OoUett). Genus EUPLECTA. Euplecta, Semper, Beise Phil., Wiss. Res. iii, p. 14 (1870); Godwin-Austen, Proc. Mai. Soc. ii, 1899, p. 173; id. Mol. Ind. ii, 1898,p. 96, pis. 87, 97 ; Blf. Proc. Mai. Soc. iv, 1901, p. 246. Type, E. suhopaca, Pfr. Range. The Indian Peninsula and Ceylon. Nearly all thespecies are confined to the neighbourhood of the


. Mollusca ... e; peristome simple, nearly in oneplane, thin, the margins converging, columeUar reflected above. Major diam. 21, min. 20, axis 11 mm. Sab. The hills of South-western Ceylon, at an elevation ofabout 3000 feet; Pusilawe (Layard) ; Watawale (OoUett). Genus EUPLECTA. Euplecta, Semper, Beise Phil., Wiss. Res. iii, p. 14 (1870); Godwin-Austen, Proc. Mai. Soc. ii, 1899, p. 173; id. Mol. Ind. ii, 1898,p. 96, pis. 87, 97 ; Blf. Proc. Mai. Soc. iv, 1901, p. 246. Type, E. suhopaca, Pfr. Range. The Indian Peninsula and Ceylon. Nearly all thespecies are confined to the neighbourhood of the western coastof Indiaand the mountains of Ceylon. Shell perforate (rarely imperforate), of moderate size, depressedturbinate, turbinate or trochiform, rather closely wound, generally ji2 52 zonitid;!!:. striated or costulate above, the ribbing decussated by impressedlines and in many species bearing rows of small moniliformtubercles ; smoother below; peristome thin, columellar marginmore or less ■*««; [Fig. .30.—A. EupUctapartita, p. 65. Genitalia. x33 ; part of the male organshowing spermatophore forming near the junction of the yasdeferens, X 6; and the dorsal lobes, X 33. B. Eaplecta semidecussata, p. 57. Jaw, X 6; transition and first lateral teeth of radula, X 146. C. Euplecta binoyaensis, p. 62. Part of generative organs showing spermatophore in process of formation, X 94. D. Euplecta praeminens, vide travancorica, p. 59. Shell- and dorsal lobes, X 3-3; jaw, X 6, and teeth of the radnla, x 276; andthe extremity of the foot, uiuooiis gland with overhanging lobe,X explanation of letters in italics and numbers see iigs. 2, 3, 4, and 16.] EUPLBOTA. 53 The shell differs, as a rule, from that of Ariojphanta by havingmore whorls and being more closely wound, but there areexceptions. Most of the species are carinate. Animal externally much like Ariophanta. A large mucous poreat the posterior extremity of the foot, sometimes with a smalllobe above it.


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