BY THE REV. J. E. TEXISON-WOODS. 
1051 
B. APERTA, von Mart. —Pufa aj)erta, von Mart. IMalak. Bl. X. 
1863, p. \^0 = BvMminus ajjertus (JVajjaeus), von Mart. Ostas, 
Zool. II. 370, pi. 22, fig. Q = Buli')mi$ ai:tertus, Pfr. Mon. Hel. VI. 
p. 61. 
Timor. 
14. Stenogyra, Shuttleworth, Diagnosis Nov. Moll. No. 6, 
p. 137. 
Shell elongate, tnrriculate ; whorls numerous ; apex obtuse or 
truncate; aperture oval, small; columella thin, straight; peristome 
simple, sharp. 
Animal like Achatina. Jaw finely plicate or ribbed ; radula 
with median tooth, very small ; laterals tricuspid with a rather 
long central cusp ; marginals short, tricuspid. About 250 species, 
of world-wide distribution. The species of the Malayan region 
belong to the section Opeas^ in which the sliell is small, thin, subu- 
late, covered with small ribs. 
Stenogyra gracilis, Hutton, Jour. As. Soc. Beng. III. 
p. %^ = Bulimus gracilis, Hutton, l.c. =.5. indicus, Pfr. Mon. Hel. 
II. p. 157 ; Chemn.pl. 21, figs. 18-19 = .5. apex, M.ouss. = Spiraxis 
^ra Blanford, Contrib. Ind. M dlac. = Bulimus ceretis, Heexe, 
Conch. Icon. Achatina, pi. 17, fig. 81. 
Java ; Bukit Pondok, Perak. 
S. (Subulina) tchehelensis, De Moi’gan, Le Naturaliste, 
1885, p. 69 — aS'. {Opeas) terehralis (?), Theobald (1 n.sp.), G. Nevill, 
Handl. Moll. Ind. Mus. 1878, p. 166 ; 0. F. von Mbllendorff, 
•lour. As. Soc. Beng. LV. p. 304. 
This is a fine subulate shell, more than an inch long with 10 or 
1 2 whorls. 
Mount Chehel, near the River Plus and Bukit Pondok, Perak. 
S. ahctlspira (Opeas), von IMart. Ostas. Zool. TI. p. 374, 
pi. 22, fig. \0 = Jjulimus arctispirus, Pfr. Mon. Hel. VI. p. 102. 
J ava. 
