. Mollusca ... me very thin. Major diam. 18-5, min. 15, height about 8 mm. Eab. Travancore, in Southern India. The shell is so soft that it is difficult to say whether the peri-phery is subangulate or not. Animal (fig. 77, A) with a narrow foot, sharply keeled behind, and * From Sati or Durga, also known as ParTati. 222 ZONITIDjE. a pointed lobe overlying the narrow linear mucous gland. Shell-lobes (B) ample and probably in life cover the whole shell; they aresmooth and paler than the remainder of the animal; they are notcontinuous round the back of the shell as in Austenia. Animalgrey or pale
. Mollusca ... me very thin. Major diam. 18-5, min. 15, height about 8 mm. Eab. Travancore, in Southern India. The shell is so soft that it is difficult to say whether the peri-phery is subangulate or not. Animal (fig. 77, A) with a narrow foot, sharply keeled behind, and * From Sati or Durga, also known as ParTati. 222 ZONITIDjE. a pointed lobe overlying the narrow linear mucous gland. Shell-lobes (B) ample and probably in life cover the whole shell; they aresmooth and paler than the remainder of the animal; they are notcontinuous round the back of the shell as in Austenia. Animalgrey or pale ruddy ochre. Jaw (D) soft and horny, straightin front. Teeth very numerous ; central tooth minute, pointed;lateral teeth serrated; minute as in S. leviclensis. In the genitalia (0) no dart-sac ; a penis papilla (E). Thespermatheca is a moderately long blunt sac, attached by a shortstem. The retractor muscle of the penis is very strong, given offwhere the vas deferens joins; no trace of a kale-sac or [Fig. 77.—Saiiella dekhanensis. A. Animal, Tiew of the right and left sides, life-size, and extremity of foot from beneath, X 6. From spirit-sj:ecimen. B. Mantle-zone detached from the animal, showing shell- and dorsal lobes. Satietta cUkhmiensis, var. bicolor. C. Generative organs. D. Jaw. X 18. X3. Satiella E. Male organ opened out on side. X 3. P. Central tooth and admedians, X 270. and four adraedinn teeth stillmore enlarged.] SATXELLA. 223 330. Satiella christianse, Theobald (yhnnia), J. A. S. B. xvxiii, 1864,p. 245; H. Sf T. (Vitrina) C. I. 1876, pi. 66, figs. 7, 10; Nevill(Helicarion), Hand-l. i, 1878, p. 14: Oodwin-Austen, A. M. N. H.(5) viii, 1881, p. 377; id. (Diirgella) Mol. Ind. ii, 1898, p. 65,pi. 79, figs. 1-5 (shell, animal, and anatomical details). Shell imperforate, globosely depressed, thin, translucent, smooth,polished, pale yellowish horny ; spire almost flat, suture impressed ;whorls 3^, convex, rapidly increasing, the last rounded at peri-phery,
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