ATJSTENIA. 197 



297. Austenia pegiiensis, Theu/uil'l (Yitvma), J. A. 6'. £. xxxiii, 1864, 

 p. 244 ; //. cV T. (Vitriua) C. /. 1876, pi. 65, figs. 2, 3 ; jyevill, 

 Ilelicarion (Austenia), Hund-l. i, 1878, p. 16; Godwin-Austen 

 (Girasia), Mol. Lid. i, 1888, p. 227, pi. vj9, tigs. 6-6 l> (animal), 

 6 c, 6d (shell) ; Colh'iif/e (Girasia), Joia: Mai. ix, 1902, p. 7(). 



Shell rather more solid than usual, semiovate, with the apex, 

 which is very tliick, projecting, polished, pale oliA-aceous or yel- 

 lowish ; spire flat, suture rather deeply impressed ; about 1| 

 ■\vhorls ; aperture occupying almost the whole lower surface; 



Fig. &^.~ Aii!>fenia pci/uensis. 



margin of peristome very convex, except near apex, u-here it is 

 straight or slightly concave, inner portion of deeply concave 

 columellar margin thickened in some shells. 



Major diam. 16, min. 10, height ;14 mm. 



Hab. Pegu. Near the town of Pegu, and also on the west of 

 the Irrawady in tlie Bassein district, and probably in the Arakan 

 Hills farther north ; Meetan, Tenasserim (Fea) ■ also, according to 

 Colliuge, the Malay Peninsula, Belimbiug, State of Ligeh. 



The animal has a granulate mantle, the shell-lobes almost com- 

 pletely covering the shell when expanded. The mantle and its 

 lobes are exactly as in Austenia girjas. The posterior part of the 

 shell rests in a depression of the hinder part of the foot, though 

 this is not so distinctly V-shaped nor so deep as in Girasia hooheri. 

 Colour brown, ma.ntle greyer and mottled, sides of the foot 

 speckled with dark grey. Length of animal (when crawling) 

 about 3 inches. Jaw and radula as in Austenia </i(/as. Teeth of 

 radula 32 . 3 . IS . 1 . IS . 3 . 32 (53 . 1 . 53). 



29S. Austenia shanensis, God win- Austen (Girasia), Mol. hid. i\, 1899, 

 p. 107, pi. 91, figs, '•j-da (shell and animal). 



Shell ovate, convex above, polished, olivaceous hornv ; apex 

 solid, flat, projecting less than in A. per/uensis, suture impressed ; 

 Avhorls li ; aperture ovate, covering nearly the whole of the shell 



