IIELIX §. 20. 45 



lcm dilatato. — Diam. maj. i>i, min. 20, alt. 10 mill. (Mus. 

 Benson.j 



JJcli.r luhrica Bens. in Anu. and Mag. 2d. ser X. p. 3 19. 

 _ _ pfr, Mon. Hellc. III. p. 629. n. 201''. 



— — Reeve Conch. ic. n. H53. t. 171. 

 Nanina lubrica Gray Cat. Pulni. p. 82. 



— — //. ct A. Adams Gcn. II. p. 22 3. 



— — (Xcsla) Pfr. Vcrs. p. 12 0. 

 Ilabitat ad Darjiling Himalayae Sikkimensis. 



263. H. politissima Pfr. 



T. subaperte perforata , depressa , tcnuis , politissima, 

 virenti-cornea vel castanea; spira vix elcvata, vertice subtili, 

 obluso; sutura profunda; anfr. 47^ convexi, sensim accre- 

 scentes, ultimus rotundatus, non descendens; apertura parum 

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

 convergcntibus, dextro antrorsum subarcuato, columellari ar- 

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

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



Helix politissima Pfr. in Proc. Zool. Soc. 1853. p. 12;i. 



— — Reeve Conch. ic. n. 12 92. t. 186. 

 Nanina politissima (Xesta) Pfr. Vcrs. p. 120. 



Habitat in insula Ceylon (Thwaites). 



264. H. Keppclli Pfr. 



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

 lentc minute striolata), nitida, pellucida, fulvo-cornca; spira 

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

 0^2 vix convexiusculi, sensim accrescentes, ultimus non de- 

 scendens, peripheria rotundatus, basi subexcavatus; apertura 

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

 ginibus vix convergcntibus, columellari arcuatim desccndente, 

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

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



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



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

 Nanina Keppelli (Xesta) Pfr. Vers. p. 120. 



Habitat S. Cristoval insul, Salomonis (Keppell). 



Obs. Similis //. resplendenti Phii; differt spira magis pyramidata, 

 colore, margine columellari arcuato, inde forma aperturac, etc. 



265. H. Malaccana Pfr. 



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

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



