FISSURELLID#. 105 
H. zealandica, Reeve, P.Z.S., 1846, p. 57; Conch. Ic, f. 64. 
Shell oblong, rather depressed, spirally irregularly grooved ; intermediate 
ridges obtuse, now broad, now narrow; six holes open; exteriorly 
peculiarly marbled with reddish-chestnut and red-tinged white (Reeve.) 
New Zealand. (Cuming.) 
H. cruenta, Reeve, P.Z.S., 1846, ~. 593; Conch. Ic., f 56. Shell 
ovate, a little attenuated anteriorly ; spire rather elevated, spirally pecu- 
liarly striated in a waved and wrinkled manner; perforations somewhat 
approximated; eight open; beautifully variegated with white dotted 
scarlet, and scarlet dotted white (Reeve.) 
New Zealand. (Cuming.) 
Perhaps the same as 7. rugosso-plicata. 
H. stomatizeformis, Reeve, P.Z.S., 1846, p 573; Conch. Ic, f. 
74. Shell oblong, ovate, very convex, spirally striated, radiately finely 
plicated ; spire nearly terminal, elevated; five perforations open ; 
marbled with olive-green (Reeve.) 
New Zealand. (Cuming.) 
FAMILY-—FISSURELLIDA. 
Radula with a central median tooth, five denticulated uncini, and 
numerous slender hooked laterals. Body broad and conical. Head 
with a short wide muzzle ; tentacles subulate, with the eyes on slightly 
elevated tubercles at their external bases. Mantle margin fissured in 
front, the free edges forming an anal siphon occupying the anterior 
fissure or perforation in the apex of the shell; gills two, symmetrical on 
the back of the neck. Foot dilated, sides with the upper part 
furnished with a series of .short cirri, or rudimentary filaments. Oper- 
culum none. Shell, in the adult, conical, symmetrical, not spiral, 
either pierced at the apex, or more or less grooved or fissured anteriorly ; 
aperture wide, not pearly within, muscular impression crescentic, open 
in front. 
Genus, FISSURELLA.—Bruguiere. 
Mantle margin fringed with cirri; anal siphon short, truncate 
membranous, projecting from the perforation in the shell. Shell conical, 
radiately ribbed ; apex sub-anterior, or central ; anal perforation oblong, 
sub-apical. j 
F. squamosa, Hutton, CMM, p. 42. Solid, oblong, with strong 
radiating, more or less squamose, ribs ; anal perforation small, apical 
margin crenated ; brownish ; interior white. 
Height, 25; length, ‘9; breadth, ‘6; anal perforation, ‘08. 
Genus, LUCAPINA—Gray. 
Mantle margin fimbriated, reflexed more or less over the edges of 
the shell. Shell small, depressed, cancellated, with a large sub-central 
perforation, bordered internally by a callosity. 
