138 



CERITHIUM. 



C. DIMINUTIVUM, Phil. PI. 26, fig. 77. 



Turreted, with obsolete rounded longitudinal ribs, and fine spiral 

 strise, developing a line of tubercles on the shoulder angle ; whitish, 

 orange brown between the sculpture. Length, 7 mill. 



Friendly Is.; Pawnotw. 



C. ZEBRUM, Kiener. PI. 26, figs. 78-82. 



Minutely, regularly granulated by fine decussating sculpture, 

 white or fulvous, chocolate or chestnut banded at the suture and 

 periphery, occasionally varicose. Length, 8 mill. 



Gallapagos Is. ; Samoa n I*. 



C. delectwn, Sowb. (figs. 80-82), is a synonym ; the whorls are 

 sometimes rosy or dark, with minute spiral series of black specks. 



C. ICARUS, Bayle. PI. 26, figs. 83, 84 



Longitudinally plaited, spirally closely ridged, white, maculated 

 with brown, often dark banded at the suture, and on the periphery 

 of the last whorl, outer lip crenulatad within. Length, 6'5 mill. 



Loochoo and Bonin Is. 



Described by Sowerby as C. tenue, preoccupied by Deshayes for a 

 fossil species. 



C. INTERSTRIATUM, Sowb. PI. 26, fig. 85. 



Granosely costulate, crossed by close spiral lines, whitish, with 

 chestnut colored spots in spiral series. Length, 13 mill. 



Hob. unknown* 



C. UNILINEATUM, Pease. PL 26, fig. 86. 



Slightly longitudinally ribbed, spirally striated, rather frequently 

 varicose, whitish or yellowish, sprinkled with pale chestnut spots, 

 with a sutural chestnut band. Length, 6 mill. 



Sandwich Is* 



C. FUCATUM, Pease. PI. 26, fig. 87. 



Pale fawn color, encircled by three series of nodules, between 

 them spotted with chestnut, suture excavated, whorls occasionally 

 varicose. Length, 10 mill. 



Sandwich Is* 



C. PAXILLUM, Pease. PI. 26, fig. 88. 



Brownish, longitudinally plaited, spirally tuberculated upon the 

 plaits, and striated between the tubercles. Length, 6 mill. 



Sandwich Is. 



