13 



drata, peristomate tenui, acuto, margine columellari, nee 

 non basali, parum expansiusculo. — Diam. maj. 472» min. 

 4, axis 4 mill." (ß.) 



Helix Bascuuda Bens, in Ann. and Mag. N. H. 1859. 

 Mart. p. 186. 



Habitat ad Teria Ghat montimn Khasiae. (India.) 



* * 



* 



1162b. H. diplodon Benson.f 



„Testa perforata, subgloboso-conica, tenui, laevigata, 

 parum striatula, sub epidermide Cornea, albida; spira con- 

 vexo-conica, apice obtusiusculo, sutura impressiuscula, mar- 

 ginulata; anfractibus 6 l L 2 vix convexiusculis , ultimo acute 

 carinato, non descendente, basi convexiuscula, antice prope 

 peripheriam planulato-excavata, medio subito tumidiusculo; 

 apertura obliqua, subhorizontaliter angulato - lunata, intus 

 bidentata, dentibus basalibus 2, 1 subcolumellari obtuso, 

 altero remotiusculo, plieiformi, sinuato, intrante, peristo- 

 mate superne tenui, acuto, margine columellari ad umbili- 

 cum breviter rerlexo , basali arcuato , expansiusculo. — 

 Diam. maj. Q l [ 2 , min. ö'/o, alt. 5 mill." (B.) 



Helix diplodon Bens, in Ann. and Mag. N. H. 1859. 

 Mart. p. 187. 



Habitat prope Teria Gh&t montium Khasiae. 



Obs. „Facile distinguenda ab affinibus H. hidenti- 

 culata et Pirrieana dente intrante plieiformi et characteri- 

 bus baseos prope aperturam; a priore praeterea defectu 

 sculpturae spiralis." 



1217 a. H. prominula Pfr. 



Malak. Bl. 1858. p. 181. (Coli.) Cuba. 



1229b. H. Edvardsi Bland. 



T. imperforata, conoideo-lenticularis, carinata, solidula, 

 fulva, superne striata et subpilosa, subtus minute granulata ; 

 spira regulariter conoidea; anfr. 5'/2 planiusculi, lente 

 aecrescentes , ultimus peripheria angulatus, basi convexus, 

 antice gibbus et subito deflexus ; apertura diagonalis , an- 



