98 TROCHID/. 
Genus, ZIZYPHINUS—Leach. 
Trochiform, conical, imperforate; body whorl angular; mouth 
quadrangular ; columella simple, sometimes terminated by a tooth. 
Z. punctulatus, Martyn; Gray, Dieff. N.Z., ii., p. 237; Reeve, 
Conch. Ic., f. 95; ZT: diaphanus, Quoy and Gaim, Le., i., p. 254, pl. 64, 
f. 1-5. Shell ovately conical, imperforate, rust white, dotted in rows 
with red and white; whorls 7, slopingly rounded ; gemmed throughout 
with rows of granules ; narrowly canaliculately impressed at the suture ; 
aperture obliquely ovate, nearly circular (Reeve.) 
Auckland to Dunedin. Chatham Islands. 
Z. granatum, Chemnitz; Lamark, lc, ix, p. 145; Z tigris, 
Martyn, Reeve, Conch. Lc., f. 4. Rather solid ; body whorl ventricose, 
not much angled, with fine spiral moniliform lines, about eighteen to 
twenty-five on the body whorl in front of the mouth, from the suture to 
the keel; columella with a small callosity over the umbilicus ; chestnut, 
more or less marbled with white. 
Length, 2°13 ; breadth, 2°5 ; angle of spire, 75°. 
Auckland to Cook Strait. Chatham Islands. 
Z. spectabilis, Adams, P.Z.S., 1854, p. 37, pl. xxvii, f 7; Reeve, 
Conch. Ic., f. 5. Shell regularly conoid, rather ponderous; whorls 
slopingly convex, grain ridged ; ridges rather distant, grains large, inter- 
stices between the ridges smooth, excavated, flesh-colour, or yellowish ; 
ridges dotted with pinkish-red (Reeve.) 
Axis, 1°75 to 2 inches. 
New Zealand. (Cuming.) 
Z. scitulus, Adams, P.Z.S., 1854, p. 38; Reeve, Conch. Ic, f 
44. Shell umbilicated, tumidly conical, rather thin, orange fulvous, 
minutely articulated with crimson dots, and here and there flaked with 
white ; whorls convexly sloping, spirally striately ridged; ridge next the 
suture larger (Reeve.) 
Axis, *55 inch. 
New Zealand. (Strange.) Common in Australia. 
Z. selectus, Chemnitz; Reeve, Conch. Ic., ft. Like Z grana- 
tum, but the spiral moniliform lines are further apart, about ten on the 
body whorl in front of the mouth, from the suture to the keel, and the 
beading is larger ; purplish-chestnut, varied with darker, often forming a 
row of spots at the suture. 
Length, 1'4; breadth, 1°5 ; angle of spire, 75°. 
Cook Strait. ; 
Z. cunninghami, Grav, Reeve, Conch. Ic., f- 6. Thin; whorls 
flattened ; suture obscure ; body whorl much angled with fine spiral 
moniliform lines, about ten on the body whorl before the mouth, from 
the suture to the keel, beading much smaller than in the last ; columella 
with a large callosity over the umbilicus; pinkish white, with reddish- 
purple dots on the ribs ; base nearly white. 
