46 CANCELLARIID. 
Genus, CANCELLARIA—Lamark.. 
Shell oval, cancellated, ribbed, or reticulated, last whorl ventricose ; 
aperture oblong, channelled in front ; canal short, sometimes recurved ; 
columella with several strong oblique plaits. 
C. trailli, Hutton; C.M.M,, p. 26. Shell small, thin, oval ; spire 
short, whorls angled ; the entire shell very finely cancellated ; columella 
with three oblique folds ; outer lip slightly crenate ; white. 
Length, ‘25; breadth, ‘17; angle of spire, 70°. 
Stewart Island. 
GC. ampullacera, Zesson; Ann. d. Sct. Nat., sertes 2, vol. 16, p. 253. 
Shell sub-elongated, globosly keeled; spire acute, thickish, suture de- 
pressed, excavated ; whorls 5, the last larger, three keeled, all with 
regular eminences; shell grey, umbilicus cylindrical; aperture white, 
lip acute, columella broad, with two folds ; canal inflexed. 
Height, 16 lines ; breadth, 15 lines. 
New Zealand (?) (Lesson.) 
Locality doubtful; brought to France by the frigate Thetis, from 
the South Seas. 
Sub-Section—Hamislossa. 
Teeth, 1.1.1., with rachis plates, and one row of lateral teeth ; head 
small with an elongated retractile proboscis ; tentacles close together at 
the base, or united by a veil over the base of the proboscis ; eyes sessile, 
on the outer bases of the tentacles. 
FAMILY—MURICID. 
Rachis teeth broad ; laterals versatile, flat with a bent up process at 
the end, more or less at right angles with the base; mantle enclosed, 
the margins producing varices at intervals across the shell, and extending 
in front forming a straight more or less elongated siphon ; foot broad, 
simple in front ; shell spiral, often turreted, more or less extended at 
the fore part into a straight siphonal canal. 
Sub-Family— Murine. 
Operculum ovate, nucleus sub-apical, within the apex ; shell with 
the spire usually as long as the aperture, the surface rough, or with the 
varices well developed. 
Genus, MUREX—Linneus. 
Shell ovate ; spire rather short, with three or more rounded or spinose 
varices on each whorl; aperture ovate, often small; canal elongate, 
straight or bent, tubular, generally spinose ; operculum horny. 
M. zealandicus, Qwoy, Voy. Astrolabe, ii. p. 529, Pl. 36,f 5-73 
Gray, Dief. N.Z., ii. p: 229; Reeve, Conch. Ic. f. 177. Shell globose, 
rather thin ; whorls angulated ; varices on the spire whorls with a single 
spine, those on the body whorl with five or six half-closed hollow spines, 
the posterior one being considerably the longest ; these spines are bent 
