MURICID. 47 
shghtly backwards, and more strongly to the left ; spire produced, acute; 
aperture ovate ; canal produced, half-closed, bent backwards; spinose 
with the remains of the old beaks ; yellowish or pinkish white ; interior 
white. 
Length, 2 inches; breadth, 1‘o inch; angle of spire, 53°. 
North Island, as far south as Wellington. 
Animal yellowish white, tentacles reticulated with white. (Quoy.) 
M. octogonus, Quoy, Zc. u., p. 531, pl. 36, f 8-9; Reeve, Conch. 
Le. f. 1343 Gray, lc, p. 229. Whorls spirally grooved ; varices eight or 
nine, each carrying two or three spines on the spire whorls, and seven 
to thirteen on the body whorl; spines strongly recurved ; spire produced; 
aperture ovate; outer lip grooved; canal produced, nearly closed, 
slightly recurved, spinose with the remains of the old beaks; reddish 
white, ribs reddish brown, often stained olivaceous brown, interior white, 
tinted with violet. 
Length, 2°25; breadth, 1; angle of spire, 45°. 
Omaha to Cook Strait. 
Mantle reddish ; foot white below, yellow on the sides with delicate 
reddish strize, which are also on the head and tentacles. (Quoy.) 
M. angasi, Crosse, (Zyphis); Jour. Conch., xi., p. 86, pl. 1, fi 2; 
M. eos. Hutton, C.M.M. Small; whorls six, with a sub-nodular keel ; 
body whorl with shallow spiral grooves; varices three, forming continu- 
ous wings, crisped on the inside, and with an obsolete posterior spine on 
each whorl; aperture ovate; canal rather short, straight, half closed ; 
bright yellowish pink, paler inside. 
Length, 1; breadth, 0-4 ; angle of spire, 42°. 
Tasmania. Australia. ° 
Two specimens were found at the Bay of Islands by Mr. C. Traill. 
This species belongs to the sub-genus Pevonotus. 
M. candida, #. and A. Adams ; P.Z.S., 1863, ~. 430. Shell ovate, 
solid, white, spire elevated ; whorls convex, sub-angled behind, varices 
thin, produced at the angles (in the last whorl often obsolete), interstices 
transversely lirated ; aperture oval, hardly caniculated behind, produced 
in front into a recurved scarcely closed canal; lip thick, callous ; inner 
lip sulcated, the magin denticulated. (Adams.) 
Length, 1°4; breadth, °7 inch. 
New Zealand (Cuming). 
Perhaps the same as Zrophon ambiguus. 
Genus, TYPHIS—Montfort. 
Mantle margin prolonged into the last tubular spine between the 
varices. Shell ovate or oblong, with projecting hollow tubes between 
the spineose varices, the last open, occupied by the excurrent canal ; 
aperture orbicular, prolonged in front into a closed siphonal canal. 
T. cleryi, Petit.; Revue, Zoologique, 1846 ; Reeve, Conch., Ic., f. 11. 
Shell fusiform, pale fulvous, obscurely banded with brown; whorls 
