26 CONUS. 
C. Beticus, Reeve. Pl. 6, figs. 12—14. 
Spire striate, slightly tuberculate, body-whorl granular, striate 
towards the base; white, marbled with chestnut or chocolate, 
with revolving rows of chestnut spots. Length, 1—-1‘5 inches. 
Philippines, Moluccas. 
C. rivularis, Reeve (fig. 13), in which the granules extend 
more or less over the entire surface, may be considered a synonym 
or slight variety, the variation being in the direction of the pre- 
ceding species. C. albomaculatus, Sowb. (fig. 14), is a similar 
shell, and has priority of publication, but Iam not positive as 
to its identity with beticus. ‘ 
C. mMuRICcULATUS, SOwb. PI. 6, fig. 15. 
Shell with straight sides, and short conical spire, the shoulder 
sharply angulated and tuberculated ; body-whorl strongly striate 
towards the base, encircled throughout with lines of granules ; 
white, violet-tinged towards the base, with two light chestnut or 
yellowish brown, broad, irregular and somewhat indistinct bands. 
Length, 1 inch. 
Philippines. 
C. pLumMBEus, Reeve. PI. 7, figs. 16, 17. 
Shell violaceous, more or less marbled with chestnut, and more 
or less granular on the body-whorl; spire convexly conical, 
tuberculated ; aperture violaceous. Length, 1 inch. 
South Africa. 
C. liratus, Reeve, is a juvenile of this species. It is closely 
related to C. muriculatus. 
C. Motuccensis (Chemn.), Auct. PI. 7, figs. 18, 19. 
Shell coronated ; yellowish white, marbled and streaked with 
chestnut, with minute revolving lines of granules which are 
often somewhat articulated red-brown and white. 
Length, 1:6 inches. 
Moluccas. 
The synonyms are C. Stainforthiti, Reeve, and C. proximus, 
Sowb. (PI. 7, fig. 19); the latter less granulate and apparently 
not fully grown. 
C. MaGcELuanicus, Hwass. PI. 7, figs. 20-23 
Shell smooth, with distant revolving striz, the upper ones 
nearly obsolete ; spire concavely depressed, with raised apex and 
