222 HELIX. 



not deflected in front, convex below; peristome simple, a little 

 thickened. Diam. 6 mill. 



Nanking, China. 

 H. DORMITANS, Heude. PL 52, figs. 11-13. 



Perforate, pellucid, striulate, with short, caducous hairs; whorls 

 5, narrow, slowly increasing, the last obtusely angulated, not des- 

 cending at the aperture, base convex; peristome sub-simple. 

 Diam. 6 mill. 



L. Hongtse, China. 



H. ARBUSTICOLA, Deshayes. PL 50, figs. 42, 43. 



Moderately umbilicated, irregularly striate, striae stronger at the 

 suture, light chestnut color, with obscure whitish strigse and macula- 

 tions ; whorls 6, narrow, the last a little deflected in front ; aperture 

 white, margin thin, slightly expanded above, more strongly below. 



Diam. 24 mill. 



Moupin, Eastern Thibet. 



*** 



H. BULIMINOIDES, Heude. PL 52, figs. 18, 19. 

 H. PSEUDOBULIMINUS, Heude. PL 52, figs. 16, 17. 

 H. BULIMINUS, Heude. PL 52, fig. 20. 

 H. TAIVANICA, Mollend. PL 52, fig. 21. 



Distinguished conchologists have placed these Chinese species in 

 the present group, but after having figured them, I concluded that 

 they belonged, the first two, more probably to Turricula, the last 

 two to Cochlieella ; they will consequently be described in the next 

 volume. 



Unfigured species 



H. PECULIARIS, H. GIBBOSA, and H. SEROTINA, A. Ad. Japan. 

 H. SPH^RULATA, Reinh. Japan. 



H. GRADATA, Mollend. Corea. 



H. EUMENES, Westerl. Japan. 



H. SCHOMBURGIANA, Moll. (H. trochulus, Moll, not Ads.) 



China. 

 H. BIZONA, and H. SQUAMULINA, Gredler. China. 



Subsection XI, HISPIDELLA, Lowe. 1852. 



H. HORRIPILA, Morelet and Drouet, PL 52, figs. 22-24. 



Narrowly perforate, thin subdiaphanous, closely, very minutely 

 striate, decussated by spiral lines, with short, erect, decurrent hairs, 



