202 



ZONITID^E. 



in a depression, the ridge of the foot behind being on a level with 

 the shell. Generative organs immature." 



Length of specimen in spirit about an inch. 



Hob. Pankabari, at foot of Himalayas, Sikhim. 



Teeth in radula + 100 . 2 . 16 . 1 . 16 . 2 . 100+ ( + 118 . 1 . 118). 

 All gradually decreasing in size from centre to margin. Jaw 

 straight, with a very slight central projection. 



*304. Girasia dalhousiae, Godwin-Austen, Mol 2nd. i, 1888, p. 224, 

 pi. 61, figs. 1, 1 a (animal), pi. 62, figs. 4, 4 a (jaw and teeth). 



" The shell is of an olive-brown colour, convex above, oval on 

 the periphery, membranaceous, broader than in the type or in 

 G. crocea, with a very thin white shelly lining. 



" Major diam. 13, minor 8 mm." 



Hob. Dalhousie, Chamba Hills, west Himalayas (Theobald). 



" The animal in spirit is of a pale ochre tint, with no markings 

 of any kind. The mantle as in typical Girasia, the thin shell 

 showing in an oval opening of the shell-lobes." Length in spirit 

 30 mm. 



Badula thus arranged : 128 . 2 . 14 . 1 . 14 . 2 . 128 (144 . 1 . 144). 

 Bhachidian tooth very narrow, long and tricuspid ; inner laterals 

 much curved and tricuspid, the inner cusp indistinct, points 

 directed rather outwards ; outer laterals bicuspid, the outer cusp 

 larger and rounder in form than the inner. Jaws with a very 

 slight central projection. The teeth differ from those of the mora 

 Eastern species. 



*305, Girasia tmrtii, Godwin-Austen, Helicarion (Hoplites), J. A. S. B. 

 1876, p. 314, pi. 8, fig. 6 (shell) ; id. P. Z. S. 1880, p. 294 ; id. 

 Mol. 2nd. i, 1888, p. 222, pi. 61, fig. 2 (shell), pi. 62, figs. 3, 3 a> 

 Sb (teeth of radula, jaw, and genitalia; these are by error 

 marked G. radhd). 



Shell dull white, very horny in texture, the apex scarcely 

 developed, outline rounded above. Major diam. 0*30" (8 mm.). 

 The shell is figured as oval in shape, with the apex turned over in 

 the middle, not towards one side as in many forms of Girasia. 



Sab. Borelli Tea-garden, near Tezpur, Assam (Burt) ; also 

 Paniputer Tea-garden, north of the Brahmaputra Biver in the same 

 district. 



Animal grey-brown in colour, measuring : mantle to head 0-4 

 inch, mantle 0*8, mantle to extremity of foot 0-5, or total length 

 when moving 1*5 inches. 



Jaw curved, no central projection. Bhachidian teeth narrow 

 and long, tricuspid ; inner laterals bicuspid, the cusps low down 

 on outer side; outer laterals evenly bicuspid, both cusps terminal. 

 In each row 186 . 2 . 6 . 1 . 6 . 2 . 186 (194 . 1 . 194), being 6 or 

 more than in G. Iwolceri, 



