CERITHIUM. 147 



C. TORULOSUM, Linn. PI. 28, figs. 50, 52, 53. 



Whitish, witli nodulit'erous ribs, beaded and tumid at the suture, 

 spirally ribbed, outer lip digitated. Length, 1*5 in. 



Society Is. 



It is C. annulare, Gmel., and C anmdatum, Mart. 



C. RECURVUM, SoAverby. PI. 28, fig. 47. 



Spire whorls with three rows of granulations, seven rows on the 

 body whorl ; white, with chestnut spots between the nodules. 



Length, 2 in. 



Red Sea. 



C. KocHir, Phil. PI. 28, figs. 48, 49. 



Spire longitudinally ribbed, ribs cut into nodules by spiral incised 

 lines forming alternately wider and narrower interspaces ; the ribs 

 are obsolete on the body whorl, which has a single sutural row of 

 nodules ; yellowish white more or less marbled or tinged with light 

 brown, sometimes the incised lines are chestnut colored. 



Length, 1-5 in. 



E. coast of Africa. 



C. GRANiFERUM, Pease. PI. 28, %. 51. 



Yellowish white, suffused with pale brow^n, minutely brown- 

 spotted between the granules ; whorls wath tuberculated ribs below 

 the suture, then two distant, smaller spiral series of granules, inter- 

 stices striated, body whorl rounded and granulated beneath. 



Length, 1 in. 



Sandxvich Is. 



C. RAviDuM, Phil. PL 28, fig. 54. 



Fulvous, irregularly varicose, longitudinally plicate and spirally 

 striated, the ribs tuberculated, a stronger spiral series just below the 

 suture ; canal narrow, long, only slightly recurved. Length, 1 in. 



Sandwich Is. 



Reeve's Iconica gives two figures of C. graniferum, of which the 

 first (fig. 6) represents this species. 



C. TURRiTUM, Sow^b. PI. 28, figs. 55, 56. 



Distantly ribbed, the ribs cut into tubercles by three spiral rib- 

 lets, between which are spiral stride, suture excavated. 



Ph ilippines ; Japan. 



The last-named locality is for Pfeiferi, Bunker (fig. 56), a 

 synonym. 



