228 HELIX. 



nut bands ; whorls 5, convex, rapidly enlarging, the last large, sub- 

 ventricose, slightly descending, base angulated round the umbilicus, 

 peristome thickened, obtuse, a little expanded. 

 Diam. 21 mill. 



Pays Comalis, E. Africa. 



*** 



H. AREOLATA, Sowb. PI. 54, fig. 80. 



Perforate, striate, a little shining, whitish, variously ornamented 

 with interrupted spiral lines ; whorls 5, the last scarcely descend- 

 ing ; aperture light brownish, peristome acute, sublabiate with- 

 in, columellar margin dentately thickened. 



Diam. 26 mill. 



Lower Califoania. 



H. PANDORA, Forbes. PI. 54, figs. 85, 86. 



Subcovered perforate, rather thin, ruguloss, very minutely con- 

 centrically striated, violet brown above, sometimes with chestnut 

 bands, whitish or ash color below ; whorls 5, the last inflated, scarce- 

 ly descending in front ; peristome scarcely expanding, sublabiate 

 within. Diam. 19 mill. 



Lower California. 



H. damaseenus, Gould is a synonym. 



H. LEVIS, Pfr. PL 54, figs. 81-83. 



Perforate, thin, smooth, obliquely striate, obsoletely granulated, 

 whitish, with serial spots or bands of pellucid corneous ; whorls 5, 

 the last inflated ; aperture whitish or fulvous, peristome acute, sub- 

 labiate within, columellar margin dilated above, strongly reflected, 

 often dentate. Diam. 16 mill. 



Lower California. 



Fig. 81 is a copy of a figure given by Mr. W. G. Binney as rep- 

 resenting a variety of H. areolata ; it appears to me to be a form of 

 H. levis. 



H. VEATCHII, Newcomb. PI. 54, fig. 84. 



Subcovered perforate, rather thin, obliquely striate, slightly 

 spirally corrugated, yellowish white, with numerous, interrupted 

 chestnut bands ; whorls 6, the last rather large, declining towards 

 the aperture ; lip a little expanded, slightly thickened within, colu- 

 mellar margin often subdentate. Diam. 23 mill. 



Lower Calif or nit 



