CONUS. 59 
Var. pouitus, Weinkauff. PI. 18. fig. 61. 
Yellowish brown, with revolving lines of chestnut and white 
articulations, and three distant, narrow white bands marked 
with chestnut. Length, 39 mill. 
Habitat unknown. 
C. TRIBUNUS, Crosse. PI. 20, fig. 20. 
Shell smooth, grooved below; orange-brown, indistinctly 
light-banded in the middle, longitudinally strigate with choco- 
late; aperture light violaceous. Length, 30 mill. 
Coast of California (Crosse). 
The locality given for this species needs confirmation. 
C. auBospiraA, E. A. Smith. PI. 18, fig. 62. 
Spire concavely elevated, lirate, white, with flesh-colored apex ; 
body-whorl angulate above, striate, the strie becoming stronger 
and subgranular below; white with longitudinal olive stripes 
forming three bands by their somewhat regular interruption ; 
aperture lilac-white. Length, 27:5 mill. 
Habitat unknown. 
Mr. Smith compares this to C. straturatus, Sowb. ( = cinereus, 
Hwass , but I think it is more nearly related to C. rosaceus, 
Chemn., and that it may prove to be a very. light-colored 
variety of that species. 
C. nisus (Chemn.), Auct. Pl. 18, figs. 63-68. 
Shell somewhat swollen, distantly suleate below, otherwise 
smooth; white, encircled by chestnut spots, clouds, and oblique 
and triangular markings ; spire maculated. 
Length, 1-1°5 inches. 
Philippines, Moluccas. 
With this species may be united C. zebra, Sowb. (fig. 65°, C. 
Blanfordianus, Crosse (fig. 66), C. alveolus, Sowb. (fig. 64), C. 
stigmaticus, A. Ad. (fig. 67), C. stramineus, Lam., and C. cocceus, 
Kiener (fig. 68). 
C. SUBMARGINATUS, Sowb. PI. 18, figs. 69, 70. 
Shell narrow, with raised carinate spire, body-whorl attenuate 
and closely sulcate in front; yellowish white, aperture rosy. 
Length, °85 inch. 
Habitat unknown. 
