174 < ERITHIOHQB, 



Section SKI LA, A. Ad., 1861. 



. TI:I:I:I:I:\!.I:. G \\. Ad. I'l. 36, figs. 56, 58. 



Whorls 10, flattened, with three .-harp, elevated spiral ridges on 

 M, the intermediate channels showing microscopic longitudinal 

 striae, base short, smooth, bounded by a ridge ; chocolate brown. 

 Length. 7*5 mill. 



Massachusetts to West Indies. 



The synonyms are C. terebellum, C. B. Ad., ('. i//f> rr upturn 

 (Menke/Krebs, C.triti,, f .ttii,n f Phil. (fig. 58). 



C. ASSIMILATA, C. B. Ad. PL 36, fig. 59. 



Chocolate color, three revolving sharp ribs on the spire whorls, 

 with additional ones on the periphery and base of the body whorl 

 the hut minute; whorls 16-18, flattened, suture very indistinct. 



Length, 6-10 mill. 



Panama to Mazatlan. 



. CAIIIN ATA, E. A. Smith. PL 36, fig. 60. 



Whorls 15, the first three smooth, convex, with three narrow 

 spiral carinse, the interstices longitudinally closely striated. 



Length, 6 mill. 



Whydah, W. Coast of Africa. 



C. BACILLUM, Issel. PL 36, fig. 63. 



Whorls 10-11, convex, with deep suture, whitish, with four spiral 

 -cords, and close longitudinal striae in the interstices, base smooth. 



Length, 3 mill. 



Red Sea. 



G K XN..M. Folin. PL 36, fig. 62. 



Whitish, shining, maculated with longitudinal chestnut veins; 

 whorls 11, flat, each with three rounded spiral ribs, between them 

 widely longitudinally Mriated, base smooth, short, concave, defined 

 by a slight ridge. Length, 5 mill. 



Bay of r<tn<t,H<t. 



( . MOREI in. Folin. IM. ;;<;. fi- ;i. 



( 'he-tnut brown, yellowish white towards the apex: whorls 11, 

 flat \\ith three revolving narrow riders, the somewhat wider inter- 

 Bpaces di-tantly longitudinally lirate. as thoiiL r h bea<led, base smooth, 

 defined by a thread. Length, 8 mill. 







