TROCHUS. 
PLATE 
Species 66. (Mus. Cuming.) 
Trocuus sMaraGpus. rock. testa angusté excavato-un- 
bilicatd, acuté conicd, albidd, oblique viridi strigatd, 
gemmis perpaucis rufis cinctd ; anfractibus plano-de- 
clivibus, undique spiraliter validé granatis, ad margi- 
nem subobsoleté plicato-nodulatis ; basi pland, granu- | 
lato-liratd, maculis elonyatis lilacino-roseis pallide 
tinctd. 
THE EMERALD TrRocuus. Shell narrowly excavately 
umbilicated, sharply conical, white, obliquely greeu- 
streaked, encircled with a few red beads; whorls 
flatly sloping, spirally strongly grained throughout, 
faintly obliquely noduled at the margin; base flat, 
grain-ridged, delicately tinged with lilac-rose elon- 
gated spots. 
) 
Hab. 
I am quite unable to identify this with any named 
species. The characters are very clearly defined. 
Species 67. (Mus. Cuming.) 
TROCHUS GIBBERULUS. Troch. testé excavato-umbilicatd, 
obeso-conict, alveariformi, crassa, olivaceo-albd, pal- 
lidé olivaceo longitudinaliter flammatd, flammis ad 
basin vivide roseis, lineolatis; anfractibus convexis, 
valide spiraliter granatis, granis hic illic plicato-no- 
dosis ; basi confertissimé grano-liratda. 
THE SWOLLEN TRocuus. Shell excavately umbilicated, 
stoutly conical, hive-shaped, thick, olive-white, lon- 
gitudinally flamed with pale olive, flames at the base 
bright rose, and lineolate; whorls convex, strongly 
spirally grained, grains here and there plicately no- 
duled; base very closely grain-ridged. 
Polydonta gibberula, Adams, Pro. Zool. Soc. 1851, p. 155. 
Hab. Philippine Islands. 
The colouring of this exquisite species is very peculiar. 
It is faintly tinged with olive flames, which on passing to 
the base are suddenly changed to a bright crimson-rose. 
Species 68. (Mus. Cuming.) 
TRocHUS INCARNATUS. Tvoch. testd eacavato-umbilicatd, 
acute conicd, fuscescente-alba vel curned, olivaceo et 
| THE 
XII. 
rufo maculata ; anfractibus spraliter nodoso-liratis, 
nodis ad basin prominentioribus, interstitis corrugato- 
clathratis ; basi subplanulatd, purpureo pallide punc- 
tatd, confertim grano-lirata. 
FLESH-TINTED TRrocuus. Shell excavately umbili- 
cated, sharply conical, brownish-white or flesh-tinged, 
spotted with olive and red; whorls spirally nodosely 
ridged, nodules more prominent at the base; base 
rather flat, faintly dotted with purple, closely grain- 
ridged. 
Putter, Zeitsch. fiir Malak. 1846, p. 103. 
Hab. 2 
The sculpture of this species is peculiar, in being for 
the most part strongly nodularly grained, with the inter- 
stices quite wrinkle-latticed. 
Fig. 43 and 4c. (Mus. Cuming.) 
For description of this species, 7’. maculatus, see Plate [. 
species 4. 
Species 69. (Mus. Cuming.) 
Trocnus vireatus. rock. testd imperforatd, elato-co- 
nicd, subalveariformi, virescente, maculis purpurers 
amplis tessellatim virgatd; anfractibus declivi-con- 
vewis, undique validé spiraliter grano-liratis ; bast 
plano-concavé, circulariter granatd, intense roseo pro- 
fuse Uineari-maculata. 
Tue strirep Trocuus. Shell imperforate, elevately 
conical, somewhat hive-shaped, greenish, tessellately 
striped with large purple blotches; whorls slopingly 
convex, strongly spirally grain-ridged throughout ; 
base flatly concave, circularly grained, profusely line- 
arly spotted with deep rose. 
GMELIN, Syst. Nat. p. 3580. 
Hab. Philippine Islands: 
Very sharply angled round the basal margin, the base 
being distinctly concave and profusely painted with bright 
purple-rose linear spots. 
Species 70. (Mus. Cuming.) 
Trocuus FLaMMULATUS. Troch. testd excavato-umbili- 
December, 1861. 
