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, stride 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. 



ifc*^: 



7f ff 



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

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

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

 H. TAIVANICA, MollencL 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 CochUcella ; they will consequently be described in the next 

 "volume. 



Unfigured species 



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

 H. SPHJ3RULATA, Reinh. Japan. 



H. GRADATA, Mollend. Corea. 



H. EUMENES, Westerl. Japan. 



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



China,, 

 H. BIZOXA, 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, 



