78 Contributions to Indian Malacoloyy. [No. 2, 
impressed, Whorls 5, planulately convex above, the last longer than 
the spire, somewhat tumid, rounded at the base. Aperture vertical, 
truncately oval, subpyriform; peristome simple; right margin curved 
forwards ; columellar callous, subvertical, slightly curved, rather broadly 
reflexed ; margins united by a callus bearing a small re-entering lamella 
about the centre. 
Millem, inch. 
Wenethitred.e.s....2. eee Re é 9 0.36 
Digmetetsi.2.cvta Lewes 5s 0.22 
Aperture 5 millem. high, 24 broad. 
Habitat—Thayet Myo, Pegu: rare. 
A more tumid shell than B. putus, Bens., and easily distinguished 
from all other Indian and Burmese forms of the genus by the re-enter- 
ing parietal plait. 
Grenus SPIRAXIS. 
18. S. pusiuta, n. sp, 
Shell imperforate, ovate, thin, horny, yellowish white, costulately 
striated. Spire conically pyramidal ; sides straight ; apex rather acute ; 
suture impressed. Whorls 5, convex; the last longer than the spire 
(ratio = 4 : 3) and rounded beneath. Aperture rather oblique, subpy- 
riform ; peristome simple, acute, much curved forwards on the right 
margin; columella scarcely twisted, reflexed, appressed on the whorl. 
Millem. inch. 
Wemeihy, sii. ange cadens eee 6 0.24 
Ae MET ER oe msc ceiitebae 34 0.14 
Length of aperture, ............ 33 0.14 
Habitat—Prome district, Pegu : rare. 
IT am not quite sure if all of the few specimens I possess of this 
peculiar small form came from Akoutoung, or whether some may not 
be from Thayet Myo. The shell resembles young specimens of 
Bulimus putus, Bens., so closely, that it can only be distinguished by 
the absence of any perforation. 
Genus ACHATINA. 
19. <A. Prevensis, n. sp. 
Shell oblong ovate, rather solid, dark reddish brown, horny, marked 
with distinct and regular impressed lines, Spire convexly conical ; 




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