MURICID. 49 
T. dubius, Hutton; Jour. de. Conch., 1878, p. 13. Ovato-fusi- 
form, thick ; whorls 7, convex, rudely spirally ribbed, those of the spire 
whorls transversely ribbed ; aperture oval ; canal very short, not bent, 
and rounded anteriorly; covered with a greenish-brown persistent 
epidermis ; interior dark purple ; canal and anterior portion of colu- 
mella whitish. 
Length, -7 ; breadth, -4. 
Auckland. 
Differs from 7: zuferus by its straight canal and outer lip rounded 
anteriorly. From 7: facve it is distinguished by its greater breadth, 
shorter canal, and by the absence of transverse ribs on the body whorl. 
T. paivee, Crosse; Jour. de Conch., xi., p. 11, f. 73 F-. corticatus, 
Flutton, C.M.M. Small, fusiform, thick; whorls finely spirally grooved, 
and strongly transversely ribbed, about eleven ribs in the body whoni ; 
aperture oval ; outer lip grooved in the adult; canal short, slightly bent 
to the left ; yellowish white, with thin spiral stripes of purplish black, 
but the colours always obscured by a thick coralline growth ; interior 
white, banded on the outer lip. 
Length, -75; breadth, 37; angle of spire, 45°. 
Auckland to Stewart Island. N.S. Wales. 
T. duodecimus, Gray; Dief:, N.Z., ii., p. 230. Shell ovate, 
fusiform, pale yellow, longitudinally costate ; spire conical, acute ; 
whorls rather rounded, last whorl about half the length of the shell, 
with twelve concentric rounded ribs anda central white band, with 
some spiral ridges in front, crossing the varices, and closer over the 
short open canal. (Gray.) 
New Zealand (Dr. Sinclair.) 
T. spiratum, H. avd A. Adams; P.Z.S., 1863, p. 429. Shell 
ovato-fusiform, rather thin, grey, spire lofty; whorls angled behind, 
cancellated with many thin longitudinal and strong, rather crowded 
transverse liree; aperture ovate, ending in a short, open, scarcely re- 
curved canal; lip thin, sulcated within ; margin angulated posteriorly. 
(Adams. ) 
Length, 1°8; breadth, ‘9 inch. 
New Zeaiand (Cuming.) 
T. coronatum, 1. and A. Adams; P.Z.S., 1863, ~. 429. Shell 
ovato-fusiform, thin, chalky, white, spire moderate; whorls angled 
behind, varices laciniate, distant, produced at the angle into a series of 
scale-like spines, the interstices smooth ; last whorl swollen, ending in a 
long straight beak, which is re-curved at the extremity; aperture 
ovate, longer than the spire; lip smooth, simple, canal open. 
(Adams.) 
Length, 1:4; breadth, ‘67 inch. 
New Zealand (Cuming.) 
Sub-Family-—Fusine. 
Operculum ovate, acute, nucleus apical. Shell more or less spindle- 
shaped, varices rudimentary or wanting. 
