Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
PIANOHBIS. 117<br />
picta, nitida deoseque striata, liaud pellucida, supera facie<br />
planiuscuJa, in medio profunde uinbilicata, inferne concava ;<br />
anfr. 3|-4 tumidis, rotiindatis infra prope suturam profundam<br />
subangulatis ; apertura reniformi perparum obliqua ; labro tenui<br />
f useo vel castaneo ; lamella in pariete aperfcurali tenuissima.<br />
Height 6'25, greatest diameter 16-25 mm.<br />
Hab. Pondicherry and the Coast oi Coromandel.<br />
A very doubtful species.<br />
229. Planorbis Mndu, Clessin.<br />
Planorhis hindu, Clessin, Conch.-Cab. 1885, p. 224, pi. 33, fig. 9.<br />
Original description :—Testa discoidea, depressa, leviter regulariterque<br />
striata, albidula, diapliana, nitida; supra infundibuliforme<br />
concava, infra concava ; anfr. 4, modice celeriter accrescentes,<br />
depresso-rotundati, utrinque siitura modice profunda separati,<br />
inferne ad suturam vix obtuse angulati; ultimus amplus,<br />
penultimo duplo latior; apertura perobliqua, late-lunata;<br />
peristoma acutnm, marginibus callo tenni conjunctis; margine<br />
superiore valde arcuate producto,<br />
Alt. 4, diam. 11 mm.<br />
Hub. India.<br />
230. Planorbis orientalis, LamarcJc.<br />
Planorbis orientalis, Lamarck, Anim. s. Vert, vi [2], p. 153;<br />
Sowerby, in Reeve, Conch. Icon, xx, pi. 11, sp. 89; Clessin, in<br />
CoDch.-Cab. 1885, p. 227.<br />
Original description:—PL testa discoidea, utrinque planodepressa,<br />
subrugosa, fragili, cornea ,• ultimo anfractu subaiigulato.<br />
Shell thin, irregularly undulated, yellowish-white, sinistral:<br />
spire narrow depressed ; whorls a little raised above the suture;<br />
last broad, sloped, expanded towards the aperture; aperture compressed<br />
above and below, large, obliquely deflected; margin<br />
sinuous ; lower disc concave.<br />
Lamarck in his original, though scanty, description, gives the<br />
diameter of the shell as 4 lines (= 9 mm.).<br />
231. Planorhis modicus, Benson.<br />
Planorbis I?IO&'CMS, Benson, Adams Genera, ii, 1858, p. 261; Sowerby,<br />
in Reeve, Concli. Icon, xx, pi. 9, sp. ^76.<br />
Shell horny, tumid, spire funnel-shaped ;, wliorls 5, raised and<br />
anguhir near the suture, last broad, sloped, concentrically finely<br />
wrinkled; aperture subtrigonal, lower disc concave, wborls<br />
rather flat.<br />
Diam. mai. 19'75, diam. min. 16'25 ram.<br />
ffah. India.
Change language