PULMONATA. 



79 



15. Nanina oblita. B.M. 

 Shell perforate, rather lenticular, very thin, with crowded ar- 

 cuate folds above ; pellucid, \)a\e horn-coloured ; spire depressed- 

 turbinate, rather pointed ; whorls six, very little convex, the last 

 not descending anteriorly, surrounded at the periphery with an 

 obtuse, denticulated keel, more convex and with radiating stria- 

 beneath ; aperture little oblique, lunate ; peristome simple, thin, 

 straight : basal margin slightly arched, shortly reflected near the 

 perforation. Height lU, greatest breadth 23, least breadth 20 

 mill. [Pfr.) 



Helix oblita, Pfr. in Proc. Zool. Soc. 1851, p. ; Mon. Suppl. 54. 



Reeve, n. 444. t. 83. 

 Hab. India. 



16. Nanixa Baconi. 



Shell narrowly perforate, depressed turbinate, verj- thin, ))el- 

 lucid, pale horn-coloured, elegantly decussate by wrinkled striai 

 and silky shining above, polished beneath with radiating striae ; 

 spire couoidal, with the ajjex rather pointed, brownish ; suture 

 impressed; whorls five, rather convex, slowly increasing, the 

 upper ones bordered above with a reddish-brown narrow band, 

 the last one not descending anteriorly, keeled, convex beneath ; 

 aperture nearly perpendicular, lunate, angular ; peristome sharp, 

 with the margins convergent ; columellar margin perpendicular, 

 forming a rounded angle, with the basal one very shortly reflected 

 above. Height 8i, greatest breadth 14, least breadth 13 mill. 

 (Pfr.) 

 Hehx Baconi, Benson, in Ann. 8f Mag. Nat. Hist. 2nd ser. vi. 251. 



Pfr. Ic. n.917. t. 141. f. 11, 12; Moa. Suppl. 55. 

 Hab. Moradabad, North India [Bacon). 



17. Nanina Jenynsi. 



Shell subperforated, turbinated, striatulate, thin, shining, 

 keeled, milky, with one brown band above the keel ; si)ire short, 

 conical, acute ; whorls five and a half, very slightly convex, the 

 last more convex beneath ; aperture angularly lunar ; peristome 

 simple, acute; columellar margin shghtly reflected above, nearly 

 closing the perforation. Lat. maj. 12, min. 11, alt. 7i mill. 

 Helix Jenynsi, Pfr. Proc. Zool. Soc. 1845, 131 ; Mon. Helic. L 



81; Jen. 821. t. 129. f. 23, 24. 

 P/»7. Icon. ii. 11.86. t. 7. f. 8. 

 Nanina (Xesta) Jenynsi, Alb. 59, 

 Hab. ? 



