MOLLTJSOA OF INDIA. 



23 



3. The Dafla Hills, 

 with the Pkuii of the Brahmaputra on south. 



Glessula (RisAelia) harmuttiensis, n. sp. PI. CI/XX. fig. 5. 



sarissa, Bs., var. PI. CLXI. fig. 8. 



saris^, Bs., var. PL CLXIII. figs. 16, 17, 19. 



sulihebis, Nevill MS., n. sp. | pj' CLXIV-IS".!. 



PI. CLXI. fig. 11. 

 nevilliana, n. sp. ■ PL CLXI. figs. 12, 13. 



[ PI. CLXIV. fig. 3. 



dikrangcnt<e, n. sp. PL CLX. figs. 7, 7 a. 



(Dikraiujia) iiev'dU, G.-A. 

 Glessula crassilahris, Bs. var. PL CLXIV, fig. 17. 



See on, umler this species— Kliasi Hills. 



Glessula (Rishetia) harmuttiensis, ii. sp. (Plate CLIX. fig. 5.) 



iocaZ/iy.— Hai-mutti, base of Dafla Hills, No. 440 B.M. (Godwin- 

 Ai'sU'ii). 



Shell elon.i^ately turreted ; sculpture quite smooth to the naked 

 ej-e, but under magnification distant obscure striation is seen ; 

 colour pale ochre to dull umber-brown ; spire ver}- long, sides flat, 

 apex bluut ; suture impressed; whorls 12, sides flat; aperture 

 oval ; peristome outer lip thin ; coluraellar margin curving evenly. 



Size; rnaj. diam. 7-0 ; alt. axis 31-9 mm. 



This takes the place in the Dafla Hills of G. bacuUna of Sikhim. 

 It ia very similar in all respects, but the apex is more obtuse and 

 the sculpture is very different : there are four specimens. 



Two young specimens, unnamed, were found in Henry Blanford's 

 collection, given to him by me. 



Glessula (Rishetia ?) saeissa, Bs. var. No. 445 B.M. 



Locality. Burroi Gorge, Dafla Hills, four specimens {Godwin- 

 Austen). 



Shell elongately conical, smooth, and glossy; sculpture variable, 

 rather regular fine striation, in some it is less and more distant; 

 colour very pale ochraoeons ; spires elongate, sides slightly convex, 

 apex finer than in the type (PI. CLXIII. fig. 10) ; suture impressed ; 

 whorls 05, sides flatly convex; aperture ovate; peristome thin; 

 eolumeUar margin sharply concave. 



Size : maj. diam. 7-0 ; length 20-0 mm. 



Fakirabanda, Jessore | ^^^ ^^^^_ g.g . ^^^^^^ jg.g ^^^ 



(xvpiCtii spec. J J 



Moisraka Ghat, Bengal, do. „ 7 5; „ 21-5 „ 



The figure in the ' Couchologia Indica,' pi. xxxvii. fig. 2, is a 

 very good one, and undoubtedly of Benson's species. 



The Blanford collection (iS'o. 844, 06.1.1, B.M.) contained 

 3 specimens from the Dafla Hills, sent to him by me, but probably 



