100 TROCHID. 
C. jucundus, Gould, U.S. Ex. Ep., p. 177, f- 209. Shell small, 
solid, low conical, composed of about six conical whorls, with a slight 
vertical portion at base; the whole girdled with fine uniform beaded 
lines, the alternate ones being generally smaller, sometimes even not 
beaded, and the two basal ones surrounding the vertical portion being 
larger ; base a little convex, similarly sculptured with about twelve con- 
centric lines gradually diminishing from the centre to the circumference 
the umbilical region colourless, not perforated, and with a groove-like 
impression beside the columella ; aperture rhomboidal-orbiculate ; colu- 
mella arcuate, smooth ; lip simple; colours arranged in radiating flamu- 
les, alternately white, strawberry-red, and pale flesh colour, gradually 
shaded into each other ; on the base the dark or light red are distribu- 
ted along the granules in a somewhat articulate manner; nacreous 
beneath. 
Axis 2 inch ; diameter 2 inch (Gould.) 
C. pallidus, Hombron and Jacquinot, Voy. Pole Sud., Moll., p. 55, 
pl. 14, f- 12-13. Shell elongated, conical, encircled longitudinally by 
ribs which enlarge anteriorly ; colour whitish, with spots of brown placed 
obliquely, and corresponding in all the whorls ; mouth pearly, oval, 
iridescent in the interior (H. & J.) 
Length, °85 ; breadth, 65 inch. 
C. episcopus, “omb. and Jacg., Voy. Pole Sud., Moll., p~. 55, pe. 
Shell blackish, shining, reddish when young, burnished afterwards, 
and at last taking, towards the last whorls, a deeper tint ; spire long, of 
five whorls ; mouth rounded, trenchant, and pearly in the interior ; no 
umbilicus (H. & J.) 
Length, 1°1 ; breadth, °8 inch. 
Auckland Islands. Campbell Island. 
GC. huttonii, Smth, PLS. Zool., xi. (1876,) p. 558; Gibbula 
plumbea, Hlutton, Jour. de Conch., 1878, ~. 33. Shell shortly conical ; 
umbilicus covered ; bluish-black or purplish-black, at the apex worn 
white ; whorls 5-6, rather convex, ornamented with 7-8 spiral strie and 
lines of growth ; last whorl obtusely angled at the periphery, below 
slightly convex, lightly impressed in the umbilical region; aperture 
quadrato-circular, iridescent within, finely sulcated ; lip a little thick- 
ened, whitish, with a narrow black margin ; columella scarcely arcuate, 
thickened, covering the perforation. 
Height, °35-°58 ; Diameter, ‘28-42 inches. (Smith.) 
Abundant from the Bay of Islands to Dunedin. 
C. pupillus, Gould, U.S. Ex. Ep., p. 186, f, 208. Shell small, 
ovate-conic, rather solid, perforate, ash coloured, with darker greenish 
on the ribs, sub-surface brilliant silvery ; surface with small flattened, 
nearly equal and equi-distant ribs, about five on the upper whorls, 
separated by interspaces of the same width, and with fine crowded 
lamellar lines of growth by which the interspaces are distinctly barred ; 
spire of six convex whorls, the last obtusely angular, flattened at base 
and with much finer and more crowded ribs and grooves ; aperture 
