66 CYPREIDA. 
Genus, CASSIS—Browne. 
Last whorl large; aperture linear, long, with a short sharply re 
curved sinistral canal in front ; inner lip forming a large transversely 
wrinkled plate ; outer lip thickened, reflected, plicate or toothed. 
C. pyrum, Lamark, f.c., x., p. 33 ; Reeve Conch. Lc., f. 29; Chenu, 
fj: 11303; C. striatus, Hutton, Cat. Tert. Moll., p. 8 (young.) Shell 
ovate, ventricose; whorls obtusely angled, nodulose on the angles ; 
upper whorls finely striated ; aperture dilated ; columella smooth, with 
a large plait at the anterior end; outer lip reflexed, smooth; pinkish- 
white, with bands of chestnut-brown wavy spots; outer edge of lip 
banded with purplish-brown. 
Length, 3°25; breadth, 2°25 ; angle of spire, 102°. 
North Island. Martin’s Bay. Tasmania. Australia. 
The young shell is distantly spirally striated. 
C. achatina, Zamark, fc. x., p. 33; Reeve, Conch, Ic., fi 28. 
Ovato-acute, ventricose ; whorls flattened, smooth ; aperture moderate ; 
columella smooth, with a few plaits at the anterior end; outer lip 
smooth ; purplish brown, spirally variegated with lighter and darker ; 
interior pale purple. 
Length, 1°5; breadth, 1; angle of spire, 85°. 
Omaha. Australia. Cape of Good Hope. 
SERIES. —ROSTRIFERA. 
Head produced into a rostrum, with the tentacles on the side of its 
base. 
FAMILY—CYPRAIDA. 
Radula rather long, with seven series of teeth (3. 1. 3.,) each row 
composed of one broad, quadrate, uncinated, axile tooth, flanked on 
each side by three uncinated hooked laterals ; outer lateral teeth coni- 
cal, entire or toothed. Head broad; rostrum short ; tentacles long and 
subulate, with the eyes on swellings at their external bases. Mantle 
furnished with a siphon, and with large expanded side lobes covering 
the shell; branchial plumes single; foot simple; operculum none. 
Shell usually polished ; the last whorl large, convolute, wholly or par- 
tially concealing the others; outer lip greatly inflexed and toothed ; 
inner lip dentate or corrugated. 
Genus, CYPR#A—Linneeus. 
Shell ovate, smooth ; inner lip with a fold in front. 
C. punctata, Lznneus; Reeve, Conch. Ic., f- 101. Shell ovato- 
oblong, small, thin, polished; spire mamillate; inner lip sparingly 
toothed, smooth in the middle ; white. 
Length, °55 ; breadth, °377- 
Doubtfully identified ; the typical form inhabits the Philippines, and 
