CONUS. 9 
Var. Nicoparicus, Hwass. PI. 1, fig. 9. 
Reticulating lines chocolate-color, the two bands usually better 
defined. 
Ceylon, Nicobar Isles. 
Var. vipua, Reeve. Pl. 1, fig. 10. 
Very like variety Nicobaricus, the bands not so well outlined 
usually, and having scattered triangular white spots upon them. 
; Philippines. 
In this species, as in C. marmoreus, the varieties are entirely 
arbitrary. 
C. IMPpERIALIS, Linn. PI. 1, figs. 11-13. 
Shell yellowish white, with numerous interrupted revolving 
lines and spots of dark brown and two irregular light brown 
bands. Length, 2-3 inches. 
. Ceylon, Java to New Caledonia and Viti Isles. 
Var. Fuscatus, Lam. PI. 1, fig. 13. 
The light brown coloring extends in clouds and irregular 
markings over the surface, so that the bands can scarcely be 
defined. 
Zanzibar, Mozambique, Philippines, ete. 
Var. virnipuLus, Lam. 
The coloring is olive-brown, irregularly but somewhat longi- 
tudinally disposed, with more or less indication of two bands. 
Zanzibar. 
C. Reciuzianus, Bernardi. Pl. 1, fig. 14. 
Yellowish white, with irregular broad yellowish brown bands 
and spots. Length, 58 mill. 
Yellow Sea. 
Only a single specimen occurred, which is possibly faded in 
coloring. 
‘C. zonatus, Hwass. PI. 1, fig. 15. 
Purple ash, with narrow chestnut revolving lines and white 
spots, the latter frequently irregularly coalescing. 
Length, 2-3 inches. Ceylon, Nicobar Isles. 
C. MARcHIONATUS, Hinds. Pl. 2, fig.16; Pl. 27, fig. 3. 
Yellowish or light brown, with large white rounded triangular 
spots. Length, 1-1-5 inches. Marquesas Islands. 
