38 CONUS. 
C. sELEcTUs, A. Adams. PI. 11, fig. 3. 
Shell thin, encircled by brown punctate lines, contracted and 
sulcate at the base, slightly swollen at the sides, acutely angulate 
at the spire. Length, 1 inch. 
Habitat unknown. 
A species of doubtful validity, not very different from the 
following. 
C. FLoripanus, Gabb. PI. 11, figs. 4, 5. 
Spire elevated, somewhat tabulate ; body-whorl with straight 
sides, grooved towards the base; yellowish white, mottled and 
streaked with chestnut, with an obscure central white band, and 
another narrower one at the shoulder, between the bands often 
encircied with rows of brown spots. Length, 14-2 inches. 
Florida, Bahamas. 
C. Floridensis, Sowb. (fig. 5), is a synonym. 
C. Srrpotpi1, Reeve. Pl. 11, figs. 6, 7. 
Spire rather elevated, the sutures sharply carinate; body- 
whorl narrow, grooved below; white, with a few central 
chestnut blotches. Length, 2 inches. 
Japan, China. 
C. rarimaculatus, Sowb. (fig. 7), is probably the young of 
this species. 
C. pAPILLARIS, Ad. and Reeve. PI. 11, fig. 8. 
Spire elevated, somewhat tabulate, finely tuberculated ; white, 
longitudinally streaked in a clouded manner with orange-brown. 
Length, 1°75 inches. 
Borneo. 
C. GRADATULUS, Sowb. PI. 9, fig. 57. 
Spire elevated, gradate, with channeled whorls; body-whorl 
roseate; with three series of longitudinal maculations of 
chestnut-color, forming interrupted bands; aperture rosy. 
Length, 1°75 inches. 
Agulhas Bank, So. Africa. 
Described by Sowerby as C. turritus, a name preoccupied by 
Lamarck for a fossil species. 
C:/OPTABLLIS, Ac Adgacrns Lt fie): 
Spire elevated, slightly gradate, body-whorl slightly grooved 
towards the base; color uniform roseate. Length, °8 inch. 
Habitat unknown. 
