92 PULMONATA. 



periplieral band of pale and chestnut, diluted below ; aperture 

 rather oblique, truncated-oval, opaline within'; ])eristome straight, 

 nearly simple, columellar margin slightly thickened, slightly di- 

 lated-reflected at the closed perforation. Lat. maj. 40, min. 34, 

 alt. 20 mill. 



Hehx Chenui, Pfr. in Zeitschr. f. Malak. 1847, p. 145; Mon. 

 Helic. ii. 438. 



Chemn. ed. 2, Helix, n. 739. t. 119. f. 14-16. 

 Reeve, n. 370. t. 72. 



Hub. Ceylon? 



53. Nanina Ceylanica. B.M. 



Shell perforate, subglobose-depressed, rather solid, diaphanous, 

 scarcely shining, pale reddish horn-coloured, distinctly decussated 

 and gramdated above ; whorls four and a half, little convex, the 

 last surrounded in the middle with a white band, which is bordered 

 on both sides, or only beneath, with a reddish-brown line ; aper- 

 tm"e middle-sized, oblique, roundish-lunate ; peristome simple, 

 straight, blunt ; columellar margin rather thickened and slightly 

 reflected above. Height 13, greatest breadth 26, least breadth 

 21 mill. (Pfr.) 



Helix Ceylanica, Pfr. in Z. f. M. 1850, 67 ; Ic. n. 795. t. 127. 

 f. 6, 7; Mon. Suppl. 71. 

 Reeve, n. 411. t. 78. 

 Hehx bistrialis ^3., Pfr. Mon. i. 71. 



j3. Larger, uniformly fulvid-yellow; height 17, greatest breadth 

 32i, least breadth 28 mill. 



y. With the white peripherical band wanting, with a chestnut- 

 coloured band in its place, and sometimes several reddish-browTi 

 lines. 



Hab. Ceylon. 



This species differs from N. bistrialis in the structure and 

 sculpture of the shell, in the proportion of the whorls and of the 

 aperture, &c. 



54, Nanina Woodiana. 



Shell depressed, thin, smooth, very shining, broAniish horn- 

 coloured ; spire little raised, with the apex very minute ; suture 

 impressed ; whorls six, scarcely convex, increasing slowly, the 

 last one not descending anteriorly, de})ressed, slightly angulated, 

 rather flat beneath ; umbilicus narrow, 0})cn ; aperture nearly 

 perpendicular, lunate; peristome simi)le, straight, sharp, with 



