!:;_' 



.^rriitiini, Wood. ('. Hu'frtiioriH'; Sowb. (figs. 5, 6), which 

 varies in having :i white sutural hand, ('. r.runnnn. Sowh. (fi_ 

 8), ('. MA, Kiener Mi-. 9), and C. 9ordidufam,Qou\d (fiir. 1~o, 



nonyms. 



M:I.].IM. Sowb. IM. 2.>. figs. 10, 11. 



Thin, nearly transparent, white or rose color, sometimes with rows 

 <>f -mall ehesinut spots, va rices white, whorls with excavated shoulder, 

 tubcrculated more strongly at the suture and shoulder angle than 

 el- \\here, canal short and open, outer lip single. Length, 21 mill. 



Pk&ppinet. 



C. MU8CABUM, Say. PL 23, figs. 12, 13. 



\YhoH- convex, crossed by rounded ribs, with wider intcrspac.-. 

 >j)irally lirate, forming granules on the ribs, fine strhe between the 

 line; whitish, chestnut colored or chocolate, with series of minute 

 die-unit pnnctations, sometimes on the ribs, sometimes between 

 them. Length, 20 mill. 



F/ti fit In ; BiiJiftiHu*. 



It is ('. nnttitnni, Menke. 



i i i. ATI M, Brug. PL 24, fig. 19. 



Blackish, spirally punctate with white, under a thin, olivaceou- 

 epidermis, whorls slopingly concavely shouldered, with a single row 

 of tubercles at the angle. Length, 1-5 in. 



Gallapagos Is. to Mz<tf/<iu, Muscat, Madagascar. 



The Pacific and West American localities furnish this shell nu- 

 merously, but specimens are in the British Museum, from Madaira.- 

 car, and in the Phila. Academy are others from Muscat, collected 

 by Dr. Ku.-chenherger, U. S. N. C. irrorntnm, Gould, and < '. 

 stercus-mmcaruiii, Yal., are synonym-. 



Q IM -i. \TI-M. (^uoy. IM. 2.,, figs. 16-18; PI. 24, fi.ir. 23. 



Chocolate Color, under a yellowish olivaceous epidermis, usually 

 -honldcred. varico>e, and roughly Longitudinally plicate, tubercu- 



lated l.y the iiit-i>reti(n of spiral riblets, with intervening spiral 

 engraved line-. Length, 22 mill. 



PhUippi 



' . /HI/,/,, <i.<t;. Tetit fig. 18), is probably, and ( '. hrrn'rn/inn, 

 S.,\\li. fig, 1> . i- alm-.i certainly a .-ynonym ; < '. M*fr,t/f,i, Sowh. 

 in b- added to the li-t. 



