HELIX. 75 



little convex, the last rounded, obsoletely carinated, not descending ; 

 lip white, tumid in the middle, reflected, columella sigmoid. 



Diam. 8'5 mill. 



Ins. Little Nicobar* 



The type of the group Liocystis, Morch. 



H. GALEA, Benson. PI. 14, fig. 4. 



Scarcely perforated, obliquely striulate, decussated by very close 

 granulose spiral stride, suture slightly impressed, submargined ; 

 whorls 7, the last acutely carinate, not descending, planulate below, 

 slightly excavated next the carina ; whitish (decorticated). 



Diam. 9 mill. 



Teria Ghat, Burmah* 



H. GALERUS, Benson. PL 14, figs. 2, 3. 



Narrowly, deeply umbilicated, light corneous, very closely 

 obliquely striate; decussated by slighter spiral striae, suture im- 

 pressed ; whorls 5, slowly increasing, a little convex, the last acutely 

 carinate, margined, base slightly convex, angulated obtusely around 

 the umbilicus. Diam. 9 mill. 



Ceylon* 



Unfigured Species. 



H. TRIFILOSA, Pfr. Ceylon* 



H. CARYX, Benson. Phie Than, Tenasserim Valley. 



H. CEROCONUS, Pfr. Ins. Labuan. 



H. GYSSERIANA, Pfr. PL 14, fig. 7. 



Perforate, thin, irregularly striulate, diaphanous, corneous ; 

 whorls 6, somewhat flattened, the last acutely carinated below the 

 middle, base a little convex ; upper margin of peristome shortly 

 expanded, basal reflected. Diam. 9 mill. 



Moluccas, Sumatra* 



The previously described H. conulus, Mart, (not Pease), from 

 Sumatra is a synonym. Nevill refers this to Trochomorphoides. 



H. ANGULATA, Issel. PL 14, figs. 8-10. 



Covered perforate, fragile, translucent, yellowish corneous, closely 

 lightly transversely striate, and slightly obliquely decussated, suture 

 moderate ; whorls 6i, a little convex, the last obtusely angulated, 

 not descending in front. Diam. 4*5 mill. 



Sarawak, Borneo* 



