PULMONATA. Jo 



3. NaNINA FASTIGIATA. 



Shdl imperforate, elevate-conic, very thin, nearly smooth, 

 little shining, pellucid, whitish horn-coloured ; spire conic ; apex 

 rather pointed ; suture impressed, bordered ; whorls seven, mo- 

 derately convex, the last acutely keeled, not descending an- 

 teriorly, rather flat beneath and impressed in the centre ; aper- 

 ture nearly perpendicular, depressed, somewhat quadrangular ; 

 peristome simple, straight, with the margins almost parallel ; 

 columellar margin short, callous. Height 4^, breadth 4 mill. 

 (Pfr.) 

 Helix fastigiata, Hutton, Journ. As. Soc. vii. 217. pt. 1. 



Wieffm. Arch. 1839, ii. 222. 



Pfr. Mon. i. 37. n. 57; Ic. n. 919. t. 141. f. 15, 16 ; Mon. 

 Suppl. 40. 



Reeve, n. 823. t. 133. 

 Hab. Simla, Himalaya. 



4. Nanina vesicula. 



Shell perforate, couoidal-depressed, thin, nearly smooth, 

 shining, translucent, pale horn-coloured ; spire short, conoidal, 

 with the apex acuminate ; suture deep ; whorls six, the last one 

 rounded, not descending, convex beneath ; apertiu-e nearly per- 

 pendicular, luuate-rounded, of equal height and breadth ; peri- 

 stome sim]jle, sharp, with the columellar margin perpendicular, 

 reflected into a short, triangular lamina near the perforation. 

 Height 7i, greatest breadth 15, least breadth 13 mill. (Pfr.) 



Nanina vesicula, Benson, Journ. As. Soc. vii. 216. 



4lhers 59 (Xesta). 

 Helix vesicula, Pfr. Mon. i. 48. n. 88; Ic. n. 820. t. 129. f. 21. 



22 ; Mon. Suppl. 4/. 

 Hah. Himalaya Mountains. 



5. Nanina orcula. 



Shell scarcely perforate, conic-globular, thin, with irregular 

 rib-like striae, rough, horn-coloured, translucent ; spire obtusely 

 conic; suture deep; whorls three and a half, rounded, the last 

 imperceptil)ly descending ; aperture very oblique, lunate-round- 

 ish ; peristome simple, straight, with the margins somewhat 

 convergent ; columellar margin a little reflected, half covering 

 the perforation. Height If, breadth 2 mill. (Pfr.) 



Helix orcula, Benson, Ann. and Mag. N. H. 2nd ser. vi. 251. 



Pfr. Ic. n. SS2. t. 136. f. 18-20; Mon. Suppl. 42. 

 Hab. Bengal and Bahar, India. 



E 2 



