HELIX §. 20. 45 



tem dilatato. — Diam. maj. 24, min. 20, a!l. 10 mill, (Mus. 

 Benson.) 



IIcUx liibrica Bens. in Ann. and Mag. 2 d. ser. X. p. ;j.i9. 



— — Pfr. Mon. Hellc. III. p^ 629. n. 201 ^ 



— — Reeve Conch. ic. n. H53. t. 171. 

 Nanina lubrica Graij Cat. Pulm. p. 82. 



— — //. et A. Adam.s Gon. K. p. 22 3. 



— — fXesla) Pfr. Vers. p. 12 0. 



Ilabitat ad Darjiling Himalayae Sikkimensis. 



263. H. politissima Pfr. 



T. subaperte perforata , depressa , tenuis , politissima, 

 virenti-cornea vel castanea; spira vix elevata, vertice subtiii, 

 obtuso; sutura profunda; anfr. iy^ convexi, sensim accre- 

 scentes, ultimus rotundatus, non descendens; apertura parum 

 obliqua, rotundato-lunaris; perist. simplex, rectum, marginibus 

 convergentibus, dextro antrorsum subarcuato, columellari ar- 

 cuatim descendente, superne breviter reflexo. — Diam. maj. 24, 

 min. 20, alt. 11 mill. (Mus. Cuming.) 



Ilelix politissima Pfr. in Proc. Zool. Soc. 1853. p. 12 5. 



— — Ileeve Conch. ic. n. 1292. t. 186. 

 Nani7ia politissima (Xesta) Pfr. Vers. p. 12 0. 



Habitat in insula Ceylon (Thwaites). 



264. H. Keppelli Pfr. 



T. subobtecte perforata, depressa, tenuis, laevigata (sub 

 lente minute striolata), nitida, pellucida, fulvo-cornea; spira 

 brevissime conoidea, obtusula; sutura simplex, impressa; anfr. 

 5^2 vix convexiusculi, sensim accrescentes, ultimus non de- 

 scendens, peripheria rotundatus, basi subexcavatus; apertura 

 parum obliqua, late lunaris; perist. simplex, rectum, mar- 

 ginibus vix convergentibus, columellari arcuatim descendente, 

 superne calloso, breviter reflexo, adnato. — Diam. maj. 16, 

 min. 14, alt, 8 mifl. (Mus. Cuming.) 



Helix Keppelli Pfr. in Proc. Zool. Soc. 1854. p. 50. 



— — Reeve Conch. ic. n. 1305. t. 187. 

 Nanina Keppelli (Xesta) Pfr. Vers. p. 12 0. 



Habitat S. Cristoval insul. Salomonis (Keppell). 



Obs. Similis H. resplendenti Phil.; differt spira magis pyramidata, 

 colore, margine columeiiari arcuato, inde forma aperturae, etc. 



265. H. Malaceana Pfr. 



T. aperte perforata, depressa, tenuis, laevigata, irregula- 

 riter pustuloso-punctata, castaneo-cornea; spira vix elevata. 



