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76 rAlTJBESTIlIICIDJi:.
151. Bitliynia goniomphalos (Mor
JBithyida goniomphalos (Morelet), Rev. et Mag. Zool. 1866, p. 167
(as Paliidma); Ser. Conch, iii, pi. 13, tig. 4.
Bithynia irmoadica, Blanford, P.' Z. S. 1869, p. 446: II. & T.,'C. I.
pi. 37, fig. 10 (as Bythinia ircnvadica); Nevill, in J. Anderson's
Anat. & Zool. Researches during Yunnan Exp., Calcutta, 1878
[1879], p. 890.
Original description:—Tesla rimato-perforata, oblongo-conoidea,
solidula, sub lente subtilissime decussata, parum nitens, viridif
usca; epira elongato-conica, apice tnincata, anfr. superst. 4|
convexi, ultiinus circa pert'orationem compresso-carinatus, spiram
non sequans; apertura ovalis, basi angulata, intus lilacina, margiriibus
fusoo anguste liinbatis. Operculum testaceum, extus
concentriee lamelloso-striatum, intus candidum.
Alt. 14, diam. 7 mm.
/lab. Cochin China {Morelet); marshes and rivers round
Mandalay (Blanford).
152. Bitliynia evezardi, Blanford.
Bithynia evezardi, Blanford, J. A. S. B. xlix, pt. 2, p. 220; Nevill,
op. cit. 1, pt. 2, p. 157, pi. 6, tig. 13.
Original description:—Shell narrovi'ly umbilicate, ovately conical,
solid surrounded hy regular spiral impressed lines rather c.lose
together, whitish horny, covered with an olive epidermis. Spire
conical, apex eroded, suture deeply impressed. Whorls remaining
3 (in a perfect shell about 4 to 5\ rounded, the last
about half the whole length, moderately ventricose, angulately
compressed at the base around the umbilicus, which is conical
and smooth inside. Aperture nearly vertical, oval, subangulate
in front at the base and at the posterior extremity ; peristome
simple, straight, obtuse ; operculum normal.
Alt. 3-75, diam. maj. 3-25, diam. min. 2 mm.
Aperture: alt. 2, diam. 1-5 mm.
Hab. Lanowlee (Lanaoli), on the r.ailway-line between Bombay
nnd Poena, a few miles east or Khandalla at the top of the
Bor-gliafc.
153. Bithynia pygmaea, Preston.
Bithynia pygnusa, Preston, Rec. Ind. Mus., Calcutta, ii, p. 45, fig.
in text.
Original description :—Shell ovately fusiform, dark'olive-brown;
whorls 3|, convex, smooth; sutures well impressed; aperture
oval; peristome simple, continuous; umbiliclas narrow; operculum
shelly, spiral with central nupleus.
Alti 3-25, diam. maj. 2 mm.