MICEOCTSTINA. KALIELLA. 257 



and below ; spire conoidal, slightly raised, suture impressed ; 

 whorls 6, convex above, the last rounded at the periphery, rather 

 flatly convex beneath ; aperture slightly oblique, rather broadly 

 lunate ; peristome thin, the upper and basal margins faintly 

 arcuate, columellar oblique, obtuse, expanded and shghtly reflected 

 above, with a very shght salient angle, not always recognizable, 

 near the perforation. 



Major diam. 8^, min. 7|, height 4 mm. 



Ifab. Shevaroy Hills, Madras Presidency (Daly). 



Near M. hintennensis, but larger and distinguished bv more 

 open perforation, much paler colour, and more numerous whorls. 



There is also much resemblance to Macroclilamijs viUpensa, but 

 that has only five whorls, and a differently-shaped aperture and 

 columellar margin. 



396. Microcystina lita, Sykes, Proc Mai. Soc iii, 1898, p. 70, pi. 5, 

 figs. 10, 11 ; Godwin- Austin, Mol. Lid. ii, 1899, p. Ill, pi. 92, 

 figs. 1-] c (shell aud sculpture). 



Shell narrowly and obtectly perforate, convexly depressed, thin, 

 smooth, polished, under the microscope rather distantly striated 

 with spiral (longitudinal) impressed lines above and below, pale 

 tawny ; spire convex, obtuse, suture impressed ; whorls4|, increasing 

 regularly, the last rounded at the periphery aud convex beneath ; 

 aperture slight]}^ oblique, lunate; peristome thin, columellar margin 

 vertical above, slightly reflected and thickened, with a small and 

 blunt salient angle. 



Diam. 3'4, height 2 mm. 



Hab. Ambagamuwa (CoUett). 



*397. Microcystina cryptomphalus, Godtvin-Ansten {Nevill, MS.), 

 Mol. Ltd. I. 1882, p. 13, pi. iii, fig. 10 (shell and sculpture). 



Shell perforate, conoidly depressed, flat on base, marked with 

 fine, regular, parallel, spiral (longitudinal), impressed lines under 

 the microscope, pale brown ; spire conoidal ; whorls 5, regularly 

 increasing, aperture lunate; peristome thin, reflected and angulate 

 at columellar mai'gin. 



Major diam. 3*1, axis 1*5. (Description chiefly copied from 

 original.) 



Hab. Pareshnath Hill, Western Bengal, 4480'. 



Genus KALIELLA. 



KaUella, Blf. A. M. N. H. (3) xi, 1803, p. 83; StoL J. A. S.'JB. xl 

 2, 1871, p. 237 ; Godwin- Austen, Mol. Ind. i, 1882, pp. 1-10, 19-24, 

 1883, pp. G8-73, 140 ; id. t. c. ii, 1907, pp. 174-177. 



Type, K. barralcporensis, Pfr. [Fig. 81, A-A 2, p. 242.] 



Range. Indo-Malay and Mascarene Eegions. 



Shell narrowly perforate or imperforate, conical and when 



