t^^l

TXAEA. 29
prominent, almost varicose, eight of them on the last whorl,
disappearing towards the base ; very pale green, with no markings
except a subobsolete brown band at base." {Nevill.)
Fig. 1.—Tiara {Melanoides) jugicostis, Bens. (type). X 2.
Alt. 12, diam. 6 mm.
Hah. Tenasserim Eiver (Goncli. Ind!); Myadoung, Burma
{Nevill).
47. Tiara (Melanoides) godwini {Brot).
Melanoides hanleyi, Godwin-Austen, P. Z. S. 1872, p. 514, pi. 30,
fig. 2 (as Melanoides); H. & T., C. I. pi. 110, fig. 5.
Tia7-a (Melanoides) godicini (Brot), in Conch.-Oab. 1876, p. 90,
pi. 10, fig. 3.
Original description :—Shell turreted, colour rich dark chestnutbrown
; spire rather acuminate, rapidly decreasing ; apex eroded ;
suture impressed but slightly, but strongly marked; whorls 5
(without the apical), flat, sharply angular above with a single row
of well-deiined small tubercles on the angular margin ; body-whorl
large, well rounded below, distinctly corded at base near the
columellar margin ; aperture vertical, ovate, very slightly effused
at base ; within pale grey, with three or more red-brown bands.
Alt. 47, diam. 25 mm.
Aperture: alt. 22, diam. 12 mm.
Hob. Diyiing Eiver, North Cachar Hills.
Subgenus PACHYCHILUS.
Pachychiltts, Lea, P. Z. S. 1850, p. 179.
TxPE, P. ciimingii, Lea [as gen. n.]; Central America.
Range. W. Indies ; C. & S. America; Tropical Asia.
Original description:—Testa conica. Apertura ovata, basi
integro. Labrum crassum. Collumella superne incrassata.
Operculum suborbiculare, corneum.
48. Tiara (PachycMlas) limborgi {Hanley).
Tiara (Pachychilus) limborgi (llanley), Journ. Linn. Soc, Zool. xiv,
1878, p. 580; Nevill, Hand List, pt. 2, p. 269.