598 



Records of the Indian Museum. 



[Vol. VIII, 



Rahula dihingensis, n. sp. 

 (Text-fig. 2D) 



Locality.— Bihing Valley, Eastern Assam (M. Ogle). 



Shell globosely conoid, openly perforate, rounded on the peri- 

 phery ; sculpture regular costulation, well marked, extending to 

 the under side ; colour very pale ochraceous ; spire conoidal, apex 

 rounded; suture impressed; whorls 6, regularly increasing; aper- 

 ture semilunate ; peristome slightly thickened , columellar margin 

 suboblique. 



Size: major diameter 4*0, alt. axis i'^ mm. 



B 



i: 



■i£»w»< 



P"iG. 2 A. — Rahuln ahoroisis, n. sp. X 5. 

 2 B.— ,, ,, X 8. 



2 C— 

 2 D.— 

 2 E.— 

 2 F.— 



koboensis, n. sp. X 5. 

 dihingensis, n. sp. X 5. 

 hiirrailensis, n. sp. X 3. 

 X 7. 



2 G. — Sesara globosn, n. sp.iX 4. 



Two specimens were obtained. I take the opportunity of 

 describing and figuring this species, as the habitat is contiguous to 

 the Abor Hills, although south of the Brahmaputra Valley. 



Rahula burrailensis, n. sp. 

 (Text-figs. 2 E, F.) 



Locality. —YQm'a.i, Lahupa Naga, N. E. Manipur {Godwin- 

 Austen). 



Shell globosely turbinate, openly perforated; sculpture strong 

 distant costulation, extending to the basal side; colour stony 

 white ; spire moderately high, apex blunt, sides very slightly con- 

 verse; suture impressed; whorls 6, sides convex, rounded on the 



