t^^l

LIMJCiEA.
Sowerby's description in Eeeve is as follows :—
" Shell oblong, ventrioose, reddish pui-ple, thin, semipellucid,
smooth, spire short, narrow, whorls attenuated ; last whorl
slightly angular above, inflated below the middle; aperture large,
rounded anteriorly, columellar lip tortuous."
The species, as are most of the group, is exceedingly plastic,
and a number of varieties have been described by various authors
as follows:—
Var. patula, Troschel, in Wiegmann's Archiv for 1837, iii, p. 167;
H. & T., C. I. 1876, pi. 69, figs. 2, 3.
Original description :—Testa imperforata vel vix rimata, ovatoacuta,
tenuissima, pellucidissima; spira mediocri, acuta; ultimo
anfractu ventricoso; | testae longo, margine exteriore patulo,
aufr. 5-6.
Alt. 44, breadth of the last whorl 24, height of the last whorl
13, height of the aperture 33 mm.
JIab. Granges.
Var. sulcatula, Troschel, von Martens, Conchologische Mittheilungen,
i, p. 75, pi. 14, tig. 6.
107
Limneaus sulcatulus, Troschel in Wiegmann's Arch, fiir Naturg, iii,
1837, p. 167.
Limnmus striatus (Benson), Kuster, in Conch.-Cah., Martini &
Chemnitz, Lim. p. 33, pi. 6, figs. 11,12. •
Limncea amygdala (non Troschel), II. & T., C. I. pi. 69, figs. 7, 10.
Original description :—Testa rimata, ovata, acuta, tenui, longitudinaliter
sulcata; spira mediocri, acuta; ultimo anfractu |
testsB longo; apertura ovata, plica columellari profunda. Aufr.
6-6.
Alt. 33, breadth of last whorl 17'5, height of last whorl 15'25,
alt. of aperture 21-75 mm.
Hah. Bengal (Lamare-Picquot).
Var. amygdalum, Troschel, von Martens, Conch. Mittheil. i,
p. 76, pi. 14, figs. 7, 8.
Limncea amygdalus, Troschel, "Wiegm. Archiv, iii, 1837, p. 168;
Kiister, ed. Martini & Chemn., Lim. p. 35, pi. 6, figs. 15, 16.
Original description :—-Testa imperforata vel vix rimata, colore
stramineo vel cycaceo, nitida, ovata ; spira mediocri, acuta ;
ultimo anfractu | testse longo, margine exteriore plus minus
adpresso. Anfr. 5, rarissime 6.
Alt. 28-75 breadth of last whorl 17-5, height of last whorl
13-25, alt. of aperture 20-75 mm.
Hah. India.