124 HELIX §. 43. 



777. Orobla Bcns. {Rv. n. 738. t. 123. — Ch. ed. 



nov. III. p. 360. — Natiina Orobia [Bensonia] 



Pfr. Vers. p. H9.) Mon.IU. p. 117. 



778. monticola Hutt. (Coll. 335. — Ch. ed. nov. III. 



p. 349. — Nanina convexa Bens. — H. convexa 

 Rv. n. 762. t. 127. — Nanina montic. [Bensonia] 

 Pfr. Vers. p. i19.) - _ _ iis. 



779. H. Tugurium Benson. 



T. perforata , depresso-conoidea , tenuis , virenti-fulva, 

 superne conferte radiato-striata et distantius rugata, sub lenle 

 striis spiralibus exiliter decussata, haud nitida; spira depresse 

 conoidea, apice acutiuscula; sutura subsimplex; anfr. 6 vix 

 convexiusculi, sensim accrescentes, ultimus non descendens, 

 peripheria subangulatus, basi convexior, sublaevigatus; aper- 

 tura obliqua, late iunaris, intus remote albido-sublabiata; perist. 

 simplex, rectum, marginibus vix convergentibus, basaH leviter 

 arcuato, columellari superne dilatato, breviter reflexo. — Diam. 

 maj. 21, min. ISVa, alt. \i% mill. (JVIus. Benson.) 



Helix Tugurium Bens. in Ann. and Mag. 2d. ser. X. p. 348. 



— — Pfr. Mon. III. p. 636. n. 556*. 



— — Reeve Conch. ic. n. H55. t. 171. 

 Zonites Tugurium H. et A. Adams Gen. II. p. H5. 

 Nanina Tugurium (Bensonia) Pfr. Yers. p. H9. 



Ilabitat Darjiling. 



780. H. splendens Hutton. 



«T. angustissime umbilicala, discoideo-depressa , tenuis, 

 rufo-cornea, nilida, ad suturam striis sparsis, brevibus, radian- 

 tibus circumdata et lineis spiralibus minutissimis, creberrimis 

 sculpta; anfr. 6^/2 arcte voluti, ultimus parum auctus, antice 

 non descendens, basi pallidior, medio circa umbilicum impres- 

 sus; apertura obliqua, late lunaris; perist. simplex, acutum, 

 intus remote calloso-Iabiatum, margine columellari ad umbili- 

 cum reflexo, libero. — Diam. maj. 15, min. 13, alt. 57^ mill. » 

 (Alb. ex spec. aulh.) 



Nanina splendens Hutt., Gray Cat. Pulm. p. 89. 



— — Albers in Malak. Bl. IV. 1857. p. 90. 



— — (Bensonia) Pfr. Vers. p. H9. 

 Helix splendens Pfr. Mon. Hel. I. p. 73. n. 165. 



Habitat in Himalaja occidentaH (Benson). 



781. H. Afra Pfr. 



T. perforala , depressa , tcnuiuscula , confcrtim striala et 

 sub lente minutissime decussata, oleoso-micans, cornea; spira 

 brevissime conoidea; anfr. convexiusculi, lenle accrescentes, 



