76 pulmonata. 



6. Nanina Bimaensis. 



Shell subperforate, obtusely conoidal, obliquely striate, quite 

 milk-white ; spire elevated, m ith the apex blunt, polished ; whorls 

 six and a half, flattened, not shining, as it were dusty above, 

 flattened, shining beneath ; aperture roundish-trapeziform ; peri- 

 stome simple, sharp ; columellar margin reflected at its insertion, 

 almost covering the perforation. Height 31, greatest breadth 

 32, least breadth 29 mill. {M.) 



Nanina Bimaensis, Mousson, Fav. Moll. 111. t. 21. f. 1. 



Alb. 60 (Hemiplecta). 

 Helix Bimaensis, Pfr. Mon. Suppl. 45. 

 J lab. Island of Bimah (Zollinger). 



7. Nanina rareguttata. 



Shell subperforate, orbicularly conoidal, striated, nearly smooth, 

 yellow, conspersed with scarcely elongated oily spots; whorls 

 five and a half, enlarging rapidly, moderately convex, the last 

 somewhat inflated, declivous above, convex beneath, uniform or 

 with a single brownish band ; spire short, with the apex dia- 

 jjhanous; apertvu-e large, obliquely roundish-lunate, flesh-co- 

 loured within ; peristome simple, straight ; columellar margin 

 sharp, reflected at its insertion. Height 26, greatest breadth 32, 

 least breadth 26-5 mill, (ill.) 



Helix rareguttata, Mousson, Fav. Moll. 112. t. 21. f. 3. 



Reeve, n. 492. t. 91. 



Pfr. Mon. Suppl. 45. 

 Hab. Island of Bimah. 



8. Nanina trochus. 



Shell imperforate, trochiform, conic, white, with a broad red 

 band, apex obtuse. Lat. 10 lin. 



Helix trochus, Miill. Verm. ii. 79- n- 275. 



Chemn. ed.2. Helix,-a. 127. t. 21. f. 13, 14. 



Pfr. Mon. Helic. i. 46. 

 Trochus hortensis, Chemn, ix. pt. 2. 52. t. 122. f. 1055, 1056. 

 Nanina trochus. Beck, hid. 4. 

 Hab. East Indies ? 



9. Nanina Zecythis. 



Shell scarcely perforate, conoidal-depressed, thin, nearly 

 smooth, shining, translucent, pale reddish honi-coloiu-ed, varie- 

 gated with paler spots ; spire short, conoidal, rather acuminate ; 



