t^^l

PALUDOMUS. 47
anfractus quatuor convexi, supra medium obsolete carinati;
apertura oblonga, simplex, albida, lineis fuscis, pellucentibus.
Operc. — ?
Alt. 16, diam. 13 mm.
Aperture : alt. 11, diam. 6 mm.
Hah. Ceylon.
82. Paludomus palustris, Layard.
PaluSomus palustris, Layard, P. Z. S. 1854, p. 89; II. & T., C. I.
pi. 126, figs. 2, 3.
Original description :—Shell ovate, thin ; axis 10 lines, diam.
6 lines ; spire exserted, long; whorls rounded, rather flat, spirally
closely grooved with minute granular strise (visible "under the lens).
Colour of adult shell a rich yellow spotted with dark brown, the
markings frequently running into wavy lines ; apex bluish; aperture
white. Operculum nearly oval, the apex slightly inclined to
the le£t; concentric nucleus subcentral, sinistral.
Hab. The grassy margins of a tank at Anarajahpoora, Ceylon.
In young shells the ground colour is almost hidden by the dark
markings, and the aperture is found to be spirally marked with
thin lines of ;fhe same colour.
83. Paludomus tanschaurica, Omelin.
Paludomus tanschawica, Gmelin, Syst. Nat. 3655, for the Helix
Jluviatilis tanschaurensis of Chemn., Conch.-Cab. ix, p. 174,
%. 1243.
Helix Jluviatilis, Dillwyn, Desc. Uat. Shells, p. 959 ; H. & T., 0.1.
. pi. 123, fig. 8.
Paludomus tanjoriensis, H. F. Blanford, emend. Trans. Linn. See.
1863, p. 173, pi. 27, figs. 2a-e.
Original description;—Testa subturrita, brunnea, glaberrima,
anfractibus septem, maculis obscurioribus seu nigricantibus cor;spersa,
ore subrotundo, fauce albieante. ' "_
Alt. 16, diam. 13 mm. (taken from fig. in 'Conchologia Indica').
Hab. India.
Var. kadapaensis, Nevill, Hand List, pt. 2, p. 294.
" Apparently without sculpture; apex not acute; spire pointed,
of four to five whorls, longitudinally, regularly, handsomely
flamed, somewhat as in P. parva, Layard [^ddlinoides, Eeeve],
but in a less " zigzag " manner." (Nevill.)
Alt. 15-5, diam. 9'75 mm. (spire slightly eroded only).
Hab. Kadapa District, Madras {King).
Var. malabarica, Nevill, torn. eit.
"Decollate and in shape exactly resembling the Ceylon var.