20 CONUS. 



Yar. ROSEUS, Lam. PL 5, fig. 73. 



Shell usually larger, rosy-, or purple-, or even yellowish-brown, 

 with white tubercles and a distinct white band below the middle 

 of the bod} T -whorl ; the striae are often punctate with chestnut, 

 and the spire is spotted with chestnut between the tubercles ; 

 aperture rosy or chestnut-color with a central white band. 



Length, 1*5-2 inches. 



C. PUNCTATUS (Chemn.), Auct. PI. 5, fig. 74. 



Shell yellowish pink or light yellowish brown, with (usually) 

 raised revolving lines closely marked with red or chestnut dots, 

 indistinctly white-banded on the middle, and often at the shoul- 

 der of the body-whorl ; spire with revolving striae and brown 

 mac illations which often extend irregularly down the body- 

 whoii. Length, 1*5-2-25 inches. 



West Africa, Ceylon, Moluccas, West Indies (Swift coll.). 



C. HEBR^EUS, Linn. PI. 5, figs. 75-77 ; PL 27, fig. 13. 



Shell white, sometimes rose-tinted, with three or four revolving- 

 bands composed of irregular longitudinal dark chocolate or 

 nearly black markings ; these markings also ornament the 

 slightly coronated spire; aperture white with clouded bands 

 corresponding with the exterior markings ; surface more or less 

 striate throughout, but striae more prominent towards the dark 

 stained base. Length, 1-1*75 inches. 



Ceylon, E. Africa, Mauritius, Japan, 



Philippines, New Caledonia to Viti Is., etc. 



C. sphacelatits,Sovfl). (fig. 76), is considered by Dr. Weinkauff, 

 the juvenile of this species ; that it is a very young shell is evi- 

 dent, but I am by no means convinced that it is properly placed 

 here; Mr. Melvill, who possesses the type specimen, considers 

 it a distinct species. 



Yin-. VERMICTJLATUS, Hwass. PL 5, fig. 77. 



The black markings are more continuous, so as usually to 

 cover the length of the shell except an irregular white central 

 band ; sometimes those markings are impressed so that the 

 intervening white spaces project gramilously or tuberculately 

 above the surface; occasionally also the entire surface becomes 

 dark chocolate with the exception of the white band, and a white 



