PULMONATA. // 



suture moderate ; whorls six, very little convex, the last one 

 broader, not descending, rather flattened beneath ; aperture 

 nearly perpendicular, broadly lunate, its breadth surpassing its 

 height; peristome simjde, sharp, with the columellar margin 

 arcuate, somewhat declivous, very shortly reflected above. 

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



Helix Zecvthis, Benson in Ann. cV Mng. N. H. 1852, May, -40(). 

 Pfr. Ic. n. 936. t. y3. f. 12-14 ; Hon. Stipjjl. 47." 



(3. Larger, with the spire more raised and seven whorls. Height 



9. breadth 15 mill. {Pfr. Ic. t. 143. f. 15.) 

 Hob. Rajmahal Hills, India (Bacon). 



10. Nanina subjecta. 



Shell perforate, conoidally depressed, thin, striated, oiiy- 

 shining, diaphanous, horn-coloured ; spire sliortly conoidal, ra- 

 ther pointed ; suture slight, whitish ; whorls six and a half, very 

 little convex, the last broad, somewhat depressed, not descend- 

 ing, little convex beneath; ai)erture not very oblique, roundish- 

 lunate, broader than high ; peristome simjile, straight, columellar 

 margin slightly receding, arched, very shortly reflected above. 

 Height 9, greatest breadth 17, least breadth 14 mill. {Pfr.) 



Helix spreta, Benson MSS. olim, not Adams. 

 Helix subjecta, Benson in Ann. S)- Mag. N. H. 1852, May, 4(17. 

 Pfr. Ic. 935. t. 143. f. 9-11 ; Mon. Suppl. 48. 



Hab. Rajmahal Hills, India, 



11. Nanina nuda. 



Shell scarcely perforate, conoidally depressed, thin, faintly 

 striated, pellucid, pale fulvid horn-coloured; spire conoidal, 

 rather acute ; suture impressed, slightly bordered with white ; 

 whorls six, moderately convex, the last larger, inflated, not de- 

 scending ; aperture almost diagonal, rounchsh-lunate, broader 

 than high ; peristome simjjle, straight, with the margins some- 

 what convergent ; right margin arcuately dilated forwards, co- 

 lumellar margin slightly receding, arched, dilated and reflexed 

 above. Height 7, greatest breadth 11, least breadth 9j mill. 

 {Pfr.) 

 Helix nuda, Pfr. in Proc. Zool. Soc. 1852, p. ; Ic. n. 1102. 



t. Kil. f. IG, 17 ; Mon. Suppl. 48. 

 Reme, n. 781. t. 129. 

 Hab, Himalaya ^lountains {Fortune). 



