CERITHIUM.— Plate VII. 



witli white irregular varices, whoi-ls lew, longitudi- 

 nally plicated, encircled with three (the last with 

 more) roughly tubercidated ribs, painted with black 

 spots between the tubercles, aperture short, canal 

 very short, outer lip thick, crenulated witliin. 



Wood, Ind. Test. Suppl. pi. 4. f. 10. 

 Cerilluum breve, Quoy. 



llab. Philippines ; Cuming. 



The tubercles iu this species are in longitudinal rows, 

 so as to form plicae, which are rendered more conspicuous 

 by the black spots on the ribs between them. 



Species 46. (Mus. Cuming.) 



Cerithium breviculum. Cerith. testa brevmimd, veit- 

 tricosd, nigrescenle, tnberculorum seriebus cincid, au- 

 fractibus paucis, aperturd ovali, alba, canali brevissimo, 

 labro iniits creiiato. 



The snoRT Cerithium. Shell very short, ventvicose, 

 nearly black, encircled witli rows of tubercles, whorls 

 few, aperture oval, white, canal very short, outer lip 

 crenulated. 



SowERBY, Genera of Shells, Cerithium f. 1 . 



Ilab. Philippines ; Cuming. 



This short, stout little shell is not likely to be eon- 

 founded with any other species of the genus. 



