CONUS. 59 



Yar. POLITUS, 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. TRTBUNUS, Crosse. PL 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. ALBOSPIRA, E.'A. Smith. PI. 18, fig. 62. 



Spire concavely elevated, lirate, white, with flesh-colored apex ; 

 body-whorl angulate above, striate, the striae becoming stronger 

 and subgranular below ; white with longitudinal olive stripes 

 forming three bands l>y their somewhat regular interruption ; 

 aperture lilac-white. Length, 27*5 mill. 



Habitat unknown. 



Mr. Smith compares this to C. siraturatus, Sowb. (= cinereus, 

 Hwass , but I think it is more nearly related to C. rosaceus, 

 Chemn., and that it ma}' prove to be a very light -colored 

 variety of that species. 



C. NISUS (Chemn.), Auct. PI. 18, figs. 63-68. 



Shell somewhat swollen, distantly sulcate below, otherwise 

 smooth ; white, encircled by chestnut spots, clouds, and oblique 

 and triangular markings ; spire maculated. 



Length, 11-5 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. cocceuv, 

 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. 



