CANCKLLAIllA.— Plate XII. 



sence of the columellar plaits in the shell assigned to 

 Cancellaria is decisive. 



Species 24. (Fig. a, b, Mus. Cuming.) 

 Cancellaria costifera. Can. testd ovatd, late super- 

 ficialiter umbilicata, spird turritd, anfractibus superne 

 late excavato-angulaUs, oblique longiludinaliler cos- 

 tatis, spiraliter substriatis ; Uvido-purpured, lineis 

 nifis interruptis cingulatu, angido fOs(isjt(e hie illic 

 albis ; apertnrd trigono-ovatd, colimelld nrcuald, tri- 

 plicatd. 

 The bibbed Cancellaria. Shell ovate, broadly super- 



ficially umbilicated, spire turreted, whorls broadly e: 

 cavately angled at the upper part, obliquely longiti 

 dinally ribbed, spirally faintly striated ; livid-purple 

 encircled with interrupted red lines, angle and rib 

 here and there white; aperture triangularly ovate 

 columella arched, three-plaited. 



SowEKBY, Conch. Elus. sp. 33. f. 31. 



Hab. Island of Burias, Philippines (in coarse sand at the 

 depth of nine fathoms) ; Cuming. 

 The most striking peculiarity of this species is its 



painting of interrupted red lines upon a dull livid-purple 



ground. 



