BULLIDA. 121 
FAMILY—BULLID~. 
Teeth, central one, lateral numerous, uniform, in an arched series. 
Animal partly investing, but not entirely covering the shell. Tentacular 
frontal disc expanded, emarginate behind ; eyes none, or sessile on the 
middle of the frontal disc. Mantle with the right margin thickened, 
the left thin, adhering to the body whorl of the “shell. Foot with the 
sides greatly developed, often reflexed and covering the sides of the 
shell, or expanded for swimming. Gizzard usually armed with horny or 
calcareous plates. Shell external, involute, more or less covered by the 
reflexed lateral lobes of the foot. 
Genus, BULLA—Klein. 
Kyes conspicuous, sessile on the middle of the frontal disc ; mantle 
with the outer margin forming a thick fleshy lobe ; foot with the lateral 
lobes moderate, and the hind part not extending beyond the shell. 
Shell oval, ventricose, solid, smooth; aperture longer than the shell, 
B. oblonga, Adams; B. australis, Gray, Dieff. N.Z., i1., p. 2433 
Chenu, 2940; Reeve, Conch. Ic, f. 9. Large, elongated, cylindrical, 
with a few spiral lines near the base; chestnut- brown, faintly varied 
with grey. 
Length, 2; breadth, 11. 
Coasts north of Auckland. Australia. Tasmania. 
B: gaoyt, Gray, Paes N.Z., ti., p. 243; Voy. Erebus and Terror, 
MOURN DL. OS; fivtla;wbe | SELLOLE, Quoy, LG Webs S5AL APL. UO Nf O-G: 
Ovate, smooth, with a few spiral lines near the base; olivaceous, 
marbled with purplish-grey, and occasionally with white dots. 
Length, 1-4; breadth, ‘9 
Auckland. Mazatlan. (Reigen.) 
The specimen figured by Reeve is not B. guoayz. 
Genus, HAMINEA—Leach. 
Eyes distinct, sessile on the middle of the head; mantle with the 
outer margin large, fleshy, and reflexed on the apex of the shell; foot 
with the lateral lobes very much expanded, covering the sides and front 
of the shell, the hind part extending beyond the shell. Shell ovate, 
horny, thin, covered by a thin epidermis, lightly transversely striated. 
H. zealandie, Gray, Dief. N.Z, ii, p. 243; Voy. Erebus and 
Terror, pl. 1, f. to. Shell ovate, sub-globose, imperforated, thin, 
pellucid, very slightly concentrically striated, covered with a very thin 
greenish periostraca, the inner lip rather spread over the pillar in front, 
smooth (Gray.) 
Length, about an inch. 
Auckland. 
H. obesa, Sowerby; Reeve, Conch. Lc., fi 13 (1868.)" Shell short, 
broad, sub-globose, smooth, lightly and obliquely wrinkled above, pale 
