pulmonata. 139 



180. Nanina Moussoni. 



Shell perforate, turbinate, thin, light, keeled, very minutely 

 decussated by the striae of growth and very crowded impressed 

 lines, which descend obliquely forwards, dia])hanous, whitish, 

 with a single red band ; s]iire conoidal ; apex rather blunt ; 

 suture slightly bordered ; whorls six, nearly tiat, the last large, 

 keeled below the band, rounded anteriorly, rather convex beneath; 

 aperture oblique, lunate, obsoletely angular ; peristome simple, 

 straight, columellar margin slightly reflected u})on the ])erfora- 

 tion. Height 23, greatest breadth 38, least breadth 33 mill. 

 (Pfr.) 

 Hehx Moussoni, Pfr. in Proc. Zool. Soc. 1849, p. 126 ; Ic. n. 783. 



t. 125. f. 34, 35; Mon. Suppl. 53. 

 Keeve, n. 479. t. 88. 

 Locality unknown. 



181. Nanina Eucharis. 



Shell orbiculate, subdiscoidal, thin, pellucid, greenish, granu- 

 lated above, smooth beneath ; spire conoidal, pointed ; whorls 

 six, narrow, rather flattened, joined by a very minutely crenu- 

 lated sutm-e ; last whorl thickened, with a narrow keel at its 

 periphery, convex and perforate beneath ; aperture large, lunate, 

 rather triangular, oblique ; peristome simple, sharp. Height 20 ; 

 breadth 29' mill. (Desk.) 



Helix Eucharis, Deshayes in Fer. Hist. i. 363. n. 430. t. 64 A. 

 f. 7, 8. 



Pfr. Mon. Suppl. 54. 



Locality unknown. 



182. Nanina scalprum. 



Shell orbiculate-chscoid, thin, pellucid, pale brownish hom- 

 coloured, minutely striated ; spire depressed ; apex acuminate ; 

 whorls five, narrow, rather flat, joined, the last depressed, sharply 

 keeled at its periphery, rather convex and perforate beneath; 

 aperture depressed, rather triangular, oblicpie ; jieristome simple, 

 sharp ; columella Avith a single small tooth. Height 9, breadth 

 16 mill. {Desk.) 



Hehx scalprum, Valenc. in Mus. Paris. 



Desk, in Fer. Hist. i. 362. n. 429. t. 64 A. f. 2-4. 



Pfr. Mon. Suppl. 57. 

 Locality unknown. 



