t^^l

50. Tiara (Acrostoma) Mgeli (PMlippi).
TIAEA. 31
Tiara {Acrostoma) hiigeli (Philippi), Abbild. N. Coneli. i, p. 61,
Melanin, pi. 2, fig. 8.
Melanin siphonata, Reeve, OoGch. Icon. pi. 20, sp. 143; H. & T.,
0.1, pi. 71, figs. 5, 6 ; NeviU, Hand List, pt. 2, p. 270.
Original description :—Testa oblongo-conica, obscure fusca;
anfractibus planiusculis, transversim striatis; ultimo ventricoso,
basi grosse sulcato; apertura ovata, anfractus 3 antecedentes
simul sumptos aequante, basi manifeste effusa ; columella arcuata.
Alt. 33, diam. ]9'5 mm.
Hab. Khasi Hills ; Mysore ; Upper Canvery Eiver {Blanford).
Var. compaota, Nevill, Hand List, pt. 2, p. 270.
" Easily distinguished by its short, stout form, relatively contracted
aperture, less tumidly swollen, but more subangulate last
whorl, and closer spiral sculpture ; the spire is more truncate, the
coloration darker."
Alt. 25-5, diam. 13-7o mm.
ffab. Wynaad [type var.] and Cochin Hills (ZJetZtfonie); Canvery
River (Jerdon).
51. Tiara (Acrostoma) assamenis, Nevill.
Tiara {Acrostoma) assamensis, Nevill, Hand List, pt. 2, p. 271;
Hanley, Conch. Misc. pi. 5, fig. 43, as " M. hiigeli, var, of Philippi,
from Khasya."
Original description:—Remarkably close to Mel. hiigeli, from
which it can be distinguished by its less solid substance, its much
more convexly rounded whorls, the last not being (more or less)
subangulate as in its ally ; of a plain, uniform, dark colouration ;
of similar minute striation, but wanting the spiral sulcations at
base of last whorl; characters of the columellar margin and
aperture generally much 'as in typical M. hiigeli, strongly decollate,
three whorls only remaining.
Alt. 35, diam. 18"5 mm.
Hah. North Cachar {Oodwln-Austen); " Delaima " ? {Nevill).
52. Tiara (? Acrostoma) prsemordica {Tryon).
Tiara (P Acrostoma) prcemorAica (Trvon), Amer. J. Conch, ii, pt 2,
1866, p. Ill, pi. 10, fig. 8 ; Brot, in Conch.-Oab. 1875, p. 108, pi. 13,
figs. 8, 8 a ; H. & T., C. I. pi. 153, fig. 2.
Original description :—Shell ovately conical, robust, covered with
regular, close, curved' growth lines, and with rounded revolving
ribs, of which seven are on the body-whorl; spire conical elevated,
(?eroded), suture deeply impressed; whorls convex, surface