470 Journal of the Asiatic Society of Bengal. [December, 1913. 
16. Bithinella galilaeae, sp. n. 
(Plate XXVII, fig. 5.) 
Shell imperforate, fusiform with acuminate spire, greenish ; 
whorls 6, regularly increasing, flattish, marked with closely set, 
transverse striae; suture impressed; columella descending in 
an oblique curve; extending above into a well-defined, perietal 
callus which reaches the upper margin of the labrum; labrum 
acute, slightly dilated below and bent inwards over the aper- 
ture above; aperture ovate. 
Alt. 3°75, diam. maj. 2 mm. (nearly). 
Hab.—Wad-es-Semakh, Lake of Tiberias, in stream (N. 
Annandale). 
17. Bithinella vexillum, sp. n. 
(Plate XXVII, fig. 4.) 
Shell moderately small, perforate, fusiformly conic, dark 
yellowish brown painted with narrow, equidistant, transverse 
bands of reddish chestnut; whorls 5, the first two small, the 
last three large in proportion, the last convex and bearing traces 
of microscopic, spiral striae; suture impressed; umbilicus 
somewhat narrow, deep; columella strongly arched above, 
gently curved below with erect, though slightly bent, margin 
extending above into a thick, well defined, parietal callus which 
unites it with the upper margin of the labrum; labrum simple; 
aperture ovate. 
Al 
t. 2°5, diam. maj. 175 mm. 
Hab.—Octagonal pool at et-Tabghah. (N. Annandale). 
Family VALVATIDAE. 
18. Valvata saulcyi, Brgt 
Dautzenberg, Rev. Biol. Nord France, 1894, p. 349. 
Birket- Kosseir ; Homs; marshes of Orontes; Lake of 
Yamotneh ; stream at Damascus (Barrois). 
Family NERITIDAE. 
19. Theodoxis jordani (Sow ). 
Dautzenberg, T-C., pp. 349—351. 
Lake of Homs; Ain Mallahah; Lake of Houleh; El-Tell, 
