180 LAND AND FRESHWATER 
Diptrommatina Extuis, W. T. Bf. (Plate XLIX. fig. 1.) 
Diplommatina ewilis, W.T. Blf. J. A.S. B. 1862, p. 325; Pfr. Mon. 
Pneum. vol. iii. p. 10 ; Hanley, Conch. Ind. p. 49, pl. exix. fig. 10; 
Theob. Supp. Cat. p. 42(Mya-Leit Doung and Farm Caves, Moulmein; 
the latter locality refers to D. ewserta); Nevill, Hand-list, p. 284. 
Original description :—“ Shell dextral, not rimate, very slenderly 
subfusiform, rather solid, moderately, closely, and obliquely ribbed 
throughout. Spire turreted, with straight sides, apex obtuse, suture 
impressed. Whorls 7$, rounded, antepenultimate slightly larger 
than the penultimate ; lower whorl rising a little near the aperture, 
which is subvertical, slightly inclined downwards, almost circular, 
the columellar margin being straightened, terminating in a right 
angle at the base, and bearing a moderately sized internal tooth. 
Peristome double, the inner lip being prominent, slightly expanded, 
and continuous upon the penultimate whorl, but not forming a broad 
callus ; outer lip slightly expanded, retrorelict. Opere. if 
Alt. Diam. Diam. ap. 
3 11 = mm. 
0-12 0°05 0-03 inch. 
‘“* Habitat. Mya-Leit Doung, Ava. 
“The most slender species of the genus with which I am ac- 
quainted, and easily distinguished from all others by its long narrow 
form.” 
DirtomMatina Puppensis, W. T. Blf. (Plate XLIX. fig. 9.) The 
shell figured is from the typical locality. 
Diplommatina puppensis, W.T. Blanford, J. A.S. B. 1862, p. 324 ; 
Blanford & Godwin-Austen, J. A. 8. B. 1868, p. 83, pl. iv. figs. 2, 2a; 
Hanley, Conch. Ind. p. 55, pl. cxxxix. figs. 8,9; Theob. Supp. Cat. 
p-42; Nevill, Hand-list, p. 284. 
Diplommatina pappensis, Blf. A. M. N. H. 1864, vol. xiii. p. 443. 
Original description :—* Shell dextral, not rimate, elongately sub- 
ovate, thin, translucent, light amber in colour, very finely and 
closely costulated, spire with convex sides, apex pointed, not acumi- 
nate, suture impressed. Whorls 7, the antepenultimate being the 
largest, last whorl rising considerably upon the penultimate. Aper- 
ture vertical, nearly circular, the columellar margin being straight, 
with an obtuse angle at the base, and furnished with a small tooth 
internally. Peristome double, orange in colour ; both lips expanded, 
the inner forming a thin callus upon the penultimate whorl. Opere. 
thin, horny, white, circular, flat, with no distinct spiral structure. 
Alt. Diam. Diam. ap. 
3s 2 1 mm. 
0-15 0-08 0-04 inch. 
“‘ Habitat. Puppa Hill in Upper Burma, with Alycaus vulcans. 
