t^^l

TIAEA. 21
with bands of red-brown dots or irregular longitudinal streaks of
the same colour, sometimes altogether devoid of markings.
" This shell occurs alive in the Gumti, Yamuna, Betwa, and
Cen rivers. I have met with the exuviae in the Ganges. In this
.... species the foot is of a pallid colour with brownish black
markings. The body is light verdigris-green."
Alt. 29-75, diam. maj. 8-75 mm.
Aperture : alt. 8-5, diam. 4 mm.
The above dimensions are taken from a specimen in the British
Museum, none being given in the original description.
Subgenus MELANOIDES.
Melanoides, H. & A. Adams, Gen. Kec. Moll. 1854, i, p. 296 ; Nevill,
Hand List, pt. 3, p. 248.
TYPE, Melania asperata, Lamarck; Philippines.
Range. S. and E. Asia ; Japan ; Malaysia.
Shell subulate, solid ; whorls often nodulous or rugose; aperture
subcircular, produced in front; inner lip somewhat callous;
outer lip sinuated, thickened, dilated and produced anteriorly.
Operculum subcircular, subspiral, of few rapidly-enlarging whorls.
36. Tiara (Melanoides) herculea (Gould).
Tiara {Melanoides) herculea (Gould), Proc. Boston Soc. Nat. Hist.
1846, ii, p. 100; Otia Conch, p. 199; H. & T., 0.1, pi. 72, fig. 5.
Original description :—Testa ponderosa, elongato-conica, fuscoviridis,
decollata : anfr., numero integro ad 15, superstitibus 2-5,
planulatis, infra suturam constrictis, plicis profuudis 4-nodosis
longitudinalibus ; ultimo subcarinato, basi striis crassis cineto ;
apertura subrhomboidali; antice producta, callo columellari rotundato,
crasso, fauce plus minusve fusco.
Alt. 71-'5, diam. 25-5 mm.
Hah. Tavoy Eiver.
37. Tiara (Melanoides) gloriosa {Anthony).
Tiara {Melanoides) gloriosa (Anthony), Amer. Journ. Conch, i,
1865, pt. 3, p. 207, pi. 18, fig. 2; YL & T., C. I. pi. 72, figs. 1, 2.
Original description:—Shell ovate-conic, smooth, olivaceous ;
spire elevated, but abruptly decollate, exhibiting only four whorls,
which are convex and quite broad; sutures very deep and distinct
; lines of growth remarkably prominent, often amounting to
varices, and with revolving strisB less prominent, but, nevertheless,
distinct, decussating with them ; aperture large, ovate, blotched
with reddish-brown within; columella very much curved, thickened