iii
v i i
rust-broAvn colour, being spotted and more irregularly stained witb
the same tint below. The two Amirante specimens have tbe same
style of markings, bnt of a greenish colour or green and brown
mingled together. Both of these aud one of the specimens in tbe
Cumingian collection have a distinct zone composed of irregular
dark-coloured spots round tbe middle of the base.
87. Turbo tursicus. ( P l a t e XLIV. figs. U-U^.)
Reeve, Conch. Icon. sp. 60 ; Rhilippi, Conch.-Cab. ed. 2, p. 83, pi. 19.
fig. 5.
Dares Island ; Philippine Islands {Cuming).
This beautiful species is well characterized by its style of painting.
I t is whitish Avith broad scarlet rays, particularly distinct on the
sloping upper surfaces of the whorls ; these are sometimes edged
with black posteriorly, and the suture is more or less stained with
th a t colour. Tbe lower p art of the body-whorl is for the most part
scariet with a few narrow white streaks (sometimes black-spotted)
radiating from the umbilical region. The operculum is white, thick,
convex, and granose externally.
88, Turbo (Marmorostoma) coronatus.
Turbo coronatus, Gmelin, Philippi, Cowc7i.-,Ca6. ed. 2, p. 23, pi. 6. figs.
11~13,
Zanzibar,
This species has also been recorded from the Eed Sea, tbe
Seychelles, Madagascar, Natal, Malacca, Cochin China, and tbe
Moluccas.
89. Pbasianella sethiopica, Philipqri.
Bird Island, Seychelles, on the beach.
90. Trocbus (Gibbula) ? amirantium. ( P l a t e XLIV. f ig s . V.-Vte)
Shell small, suhglobose, perforate, spirally finelv lirate and sulcate
white, tbe lirge being interruptedly pink. Whorls 4 -5 , convex’
rapidly increasing; last_ whorl rounded at the periphery, lirate
throughout, the line being rather narrower than tbe intervenino-
grooves and crossed by the lines of growth. Aperture circular
occupying more than half tbe total height of tbe shell. Columelk
arcuate, white, covered Avitb a caUns, wliicb is considerably reflexed
/p e c ia lly at tbe lower part. Height 4 millim., greatest diameter
4 j milbm. ■
Etoile Island, Amirantes, in 13 fms.
Tbe distinguishing feature of this little species is tbe reflexed
character of the columella. I have not the operculum, and consequently
am in doubt respecting tbe true generic position.
505
91. Trocbus (Monodonta) australis, Lamarck.
Glorioso Islands, on tbe reefs.
92. Trochus (Monodonta) labio, Linné.
Seychelles, on the beach.
93. Cylichna protracta.
Gould, Proc. Bost. Soc. Nat. Hist. 1859, vol. vii. p. 140 ; Otia, p. 113.
Cerf Island, Mascarenes, in 10 fms.; coast of China {Gould).
I . i
A
94. Tornatina voluta, Quoy Sf Gaimard.
Providence Eeef, Mascarenes, in 24 fms.
95. Pyramidella (Lonchicus) maculosa, Lamarck.
Poivre Island, in 20» fms.
96. Pyramidella (Obeliscus) terebellum, Müller.
African Island.
97. Pyramidella (Obeliscus) sulcatus.
Obeliscus sulcatus {Nuttall, MS.), A. Adams in Sowerby's Thesaurus,
vol. ii. p. 807, pi. 171. fig. 34; Sowerhy, Conch. Icon. vol. xv.
figs. 12 a, h.
Providence Eeef, Mascarenes, in 24 fms.
This species was collected at tbe Sandwich Islands by Nuttall,
and Tahiti is assigned to it as tbe locality by Mr. A. Adams.
98. Chemnitzia coppingeri. ( P l a t e XLIV. fig. W.)
Shell elongate, subulate, pink, witb large distant white varices.
Whorls 18?; the 12 remaining are convex at tbe sides, separated by
a deepish, slightly oblique suture, longitudinally finely ribbed and
spirally lirate. Eibs twice as broad as tbe grooves between them,
about 26 on the penultimate wborl, subnodose where they meet tbe
transverse lirce ; these are about 11 in number on tbe penultimate
and about 24 on tbe last wborl, those on tbe lower part rather finer
than those above. Varices large, almost one on every volution,
transA'crsely sulcated. Aperture subquadrate, nearly as wide as
long. Columella straight, subtruncate and uniplicate anteriorly.
Labrum arcuate, externally variced. Length of twelve remaining
whorls 18 miUims., diameter 4 j millim.
Providence Eeef, Mascarenes, in 24 fms.
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