SESARA. 247 



that the spu-e is lower and the apex slightly acuminate, the base 

 flatter and the periphery of the basal whorl keeled. 



Major diam. 10|, miu. 10, axis 6^ mm. 



Hab. Akoutoung, south of Prome, Pegu(T7". T. B.), and Arakan 

 Hills (Kurz). 



The animal has a small mucous pore and small projecting lobe 

 above it. 



375. Sesara basseiuensis, W. T. Blanford (Nauina), J. A. S. B. 1865, 



p. 70 ; Pfr. Mon. Hel. v, 1868, p'. 89 ; H. <§• T. C. 1. 1876, pi. 30, 



fig. 7. 



Similar to S. JieJicifem, but perforate, with a less excavated 

 umbilical region and without any spiral fold on the columellar 

 margin or indentations on the lower surface. Distinguished from 

 S. mamillaris by higher spire, non-acuminate apex, rounded base, 

 and moi'e rounded peripher3^ 



Major diam. 11, uiiu. 10, axis 8 mm. 



Hah. Southern part of Arakan Range in Basseiu district of 

 Pegu. 



B. Depressed, carinate, smooth, edentulous. 



376. Sesara? inermis, Theobald,!. A. S. B. 1870, 2, p. 184, pi. 14, 



tier -^ 



Shell minutely perforate, depressed, sublenticular, amber- 

 coloured, horny, smooth, polished, finely obliquely striated above, 

 subobsoletely and radiately beneath ; spire very low, suture 

 impressed ; whorls 64, convex, the outer whorls flattened extern- 

 ally, the last not descending, striately and compressedly keeled, 

 moderately convex below ; aperture neai'ly vertical, rather narrow, 

 sharply angulate at the periphery, without teeth ; peristome 

 white, thickened inside, basal margin strongly arcuate, columellar 

 rather sharply curved and vertical at its insertion, scarcely re- 

 flected. 



Major diam. nearly 12, min. nearly 11, axis 5 mm. 



Hah. Salwin Valley, near Moulmein. 



A species of somewhat doubtful affinities. 



C. Trochlfonn, smooth, imperforate or narrowly perforate. 

 a. A palatal tooth present. 



377. Sesara? diplodon, Bens. (Helix) A. M. N. H. (3) iii, 1859, 



p. 187 ; Ffr. Mon. Hel v, 1868, p. 256 ; H. S,- T. C. I. 1876, 

 pi. 60, fi<r. 8; Godwin-Austen, J. A. S. B. 1876, 2, p. 312; 

 Nevill, J. A. S. B. 1877, 2, p. 17; id. Hand-l. i, 1878, p. 53 

 (pt.). 



Shell minutely perforate, trochiform, thin, smooth, finely 

 striated and decussated with close microscopic spiral lines through- 

 out, polished beneath, pale horny ; spire almost conical, varj'ing 



