HELIX. 221 



H. LATRUNCULORUM, Heude. PL 52, fig. 86. 



Narrowly umbilicated, rugulosely spirally striate, fulvous ; whorls 

 5, the last obscurely angulated, inflated below. Diam. 20 mill. 



Tchenkeou, China. 

 H. PLETHORICA, Crosse. PL 52, fig. 87. 



Narrowly umbilicated, rather thin, diaphanous, striate-costulate, 

 yellowish straw-color; whorls 5, the last with obsoletely angulated 

 periphery; aperture whitish, peristome simple, white. 



Diam. 14'5 mill. 



Hob. unknown. 

 H. BREVIBARBIS, Pfr. PL 52, figs. 92, 93, 1. 



Narrowly umbilicated, rather thin, diaphanous, corneous white, 

 with a peripheral chestnut line, irregularly striate, subdecussated 

 by close spiral lines ; whorls 61, the last not descending, with carin- 

 ated periphery bearing short bristles, base more convex ; lip 

 white, expanded above, reflected below. Diam. 14 mill. 



Northern China. 



H. THORACICA, Heude. PL 52, figs. 94-96. 



Narrowly umbilicated, thin, fragile, with thin longitudinal 

 series of minute scales, brownish fulvous ; whorls 7, subplanulate, 

 slowly increasing, the last slightly descending in front, convex be- 

 low ; peristome simple, slightly expanded, white. 



Diam. 16 mill. 



Kiuntcheou, China. 



H. SQUAMOSELLA, Heude. PL 52, figs. 98-100. 



Moderately umbilicated, thin, fragile, squamose in spiral lines ; 

 whorls 6J, the last not descending, acutely angulated, .angle vanish- 

 ing towards the aperture ; peristome scarcely thickened, slightly 

 deflected. Diam. 11 mill. 



Nanking, China. 



H. MICACEA, Heude. PL 52, figs. 5-7. 



Narrowly umbilicated, thin, fragile, diaphanous, obliquely striu- 

 late, whitish ; whorls 6, slowly increasing, the last obtusely angu- 

 lated, subplane around the umbilicus, a little deflected in front ; 

 peristome thin, slightly reflected. Diam. 11 mill. 



Nganking, China. 



H. PHYLLOPHAGA, Heude. PL 52, figs. 8-10. 



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

 5, with deep suture, and slowly increasing, the last obtusely angulated, 



