(■|<) ltttokxtd.t;. 



Alt. S, diain. iiiin. "1 A young speeiiiien willi 



Aperture : alt. 4 .">, diam. 3%5 mm, j ])erfec't spire- 

 Alt. 9"0, diain. 7 mm. ] A.n old speciuieu with eroded 

 Aperture : alt. (j, diam. 5 mm. J spire. 

 Hah. Near Poonali. 



Var. canaliculatns, B/anfard, J. A. S, B. xxxix, pt. 2, 1S70, 

 p. 11, pl.3, lig. 4. 



Original descnptioii : — Sutura caualiculata, anfractibus juxta 

 suturam acute cariiiatis. 

 Alt. 8, diam. Q'o mm. 

 Hah. Torna. 



133. Cremnoconchus carinatus (Lai/ard). 



Cremuoco)ic/uti> carinatus (Layard), P. Z. S. 18")4, p. 94 (as 

 Anevl(ttm) \ Elauford, .T. A. S. E. xxxix, pt. 1', 1870, p. 12, 

 pi. 3, fig, T) ; op. cit. xlix, pt. 2, p. 221, 



Orlr/inal descriiUion : — Shell somewhat globose ; axis 5 lines, 

 diam. 4 lines. Spire exserted, short. AVhoHs inflated, rather 

 square, sharply keeled I'ound the inferior angle, minutely longi- 

 tudinally striated. Colour dull olive, marked faintly with two or 

 three broad bands of dark rufous-brown, which are very apparent 

 in the aperture : columellar lip white, stained with a light dash of 

 the same rufous-brown on the exterior margin. 



Iso dimensions being given the following is taken from 

 Elanford's description (J. A. S. B. xxxix, pt. 2, p. 12). 



Alt, 7*5, diam. 5 mm. 



Uah. Streams in the Mahableshwar Hills, Bombay Presidency. 



Subgenus BITHINELLA. 



BithineVa, Moquin-Tandon, 1851, .7. de Cdncli. Paris, p. 2:!9. 

 & Hist. Moll. Terr. Fluv. France, IS-V), p. .")l(i (as Bijihinella). 



TiPE, Brdimns viridis; Poiret ; Europe. 



]{a.n<ie. Europe: Asia; N. America. 



Shell having the operculum set far back in fhe interior ; it is 

 also subcoriieous, spirally striate, with excentric nucleus. 



13)4. Bithinella canningensis, Preston. 



BitfuricUa canni>if/e)is/s, Preston, A. M. N. H. ser. 7, xix, 1907. 

 p. 216 (tig. iu text). 



Original description: — Shell subperforate, pyramidal, dull 

 yellowish-brown horn-colour ; remaining whorls 3, souiewhat 

 convex ; sutures well impressed ; aperture oval ; peristome 

 ■ nple, continuous; operculum horny, paucispiral, 



Alt. 1-75, diam. maj. 1 mm. 



][(ih. Port Canning, Lower Bengal ; in brackish pools. 



Type in Indian Museum, Calcutta. 



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