I9I5-] V H- ^- Godwin-Austen : Mollusca, III. 495 



cealed. The spin? is lower, sides less flat, and first 3 whorls much 

 smaller. Suture more impressed. Whorls, aperture and peristome 

 the same. 



Size: major diam. 33*0; alt. axis i6'0 mm. 



Type No. 3108 Brit. Mus. 



Cyclophorus (Glossostylus) sidiensis, n. sp. 

 (PI. xxxviii, figs. 3, 3a, 3&, 3c). 



Locality: On Sidi River, Abor Hills (/. H. Burkill). 



Shell conoidly turbinate, sharply keeled, umbilicus narrow 

 and much concealed by the peristome. Sculpture, 3 distinct spiral 

 lirae above the keel, distant with finer liration intermediate, under- 

 side lirae fine and close together. Colour madder brown. Splash- 

 ings and spotting near the suture, giving a beautiful mottled 

 pattern. Spire high, conical, sides flat, apex pointed. Suture 

 moderately impressed. Whorls 5, side flatly convex. Aperture 

 circular, suboblique. Peristome white, not much thickened, re- 

 flected and expanded. Columellar margin curving vertically. 



No. 6002. Size: major diam. 25*0; alt. axis 14*0 mm. 



No. 6001 Rotung {Kemp). Bleached, older, major diam. 30'0 ; 

 alt. axis I4'5 mm. 



Type No. 6002 Ind. Mus. 



Mr. Oakes also found one specimen of this species (3095 B.M.) 

 in the Tsanspu Valley. 



The Sidi River is in the outer hills north of the Trigono- 

 metrical Station " Nari " (Siwalik) 2490. 



Cyclophorus (Glossostylus) koboensis, n. sp. 

 (PI. xxxviii, figs, 4, 4a, 4&, 4c, ^d). 



Locality: Abor Hills, Kobo, on right bank of Tsanspu or 

 Brahmaputra {Kemp). 



Shell turbinate, keeled, umbilicus open, not concealed by the 

 peristome. Sculpture carinate, as described, splashes and zig-zags 

 of darker tint, giving a mottled appearance. Colour madder 

 brown, with a distinct dark brown band below the keel, ochra- 

 ceous white beneath. Spire conic, depressed, apex very fine. 

 Suture impressed. Whorls nearly 6. Aperture circular. Peris- 

 tome double, inner lip continuous, together thick and reflected. 

 Columellar margin vertically rounded. Operculum flat, multi- 

 spiral, the whorls about 6, defined by a raised thread-like 

 spiral. 



Type No. 6015 (fig. 4) Ind. Mus. Size: major diam. 30*0 ; alt. 

 axis I2'0 mm. ; Rotung {Kemp) No. 6019-20 Ind. Mus. 



No. 3579 E-M. (figs. 4a, 46, 4c, 4^), Rotung {Oakes). Size; 

 major diam. 32*5; alt. axis 12*25 mm. 



No. 3 1 17 B.M. Yamne Valley and 3045 B.M. Ponging. 



