MITRELlA. 121 



tfie suture; aperture short, wide below, with truncated canal ; lip 

 slightly notched above, faintly denticulated within. 



Length, 15 mill. 



Australia. 



The spots on the bands are frequently arrow-shaped. 

 C. BELLA, Reeve. PL 48, fig. 6*7. 



Shell fusiformly pyramidal, with long pointed spire, and rather 

 flat whorls, separated by a well-marked suture; yellowish white, 

 with chestnut longitudinal flames, a light band at the suture, 

 with chestnut fasciculations, another light band on the periphery, 



bordered with chestnut spots. Length, 13 mill. 



China. 

 C. BLANDA, Sowb. PI. 48, figs. 68, 69. 



Shell ovately pyramidal, smooth, polished, slightly striate at 



the base ; outer lip shouldered and obscurely sinuate above, 



'usually barely dentate within ; white, with narrow, longitudinal, 



zigzag chestnut lines, which become darker at the suture, and 



especially on the back of the shell ; interior whitish. 



Length, 13 mill. 



C. adiostiria, Duclos (fig. 69), a figured but und escribed species, 

 ignored by subsequent monographers, appears to me to approxi- 

 mate to this form. 



C. ALBINA, Kiener. PI. 48, figs. 70, 11. 



Shell oblong, smooth ; body^rhorl slightly shouldered at the 

 suture, where it is sometimes rudely plicate on the back, base 

 smooth or sparsely striate; outer lip much thickened, and dentate 

 within; whitish, variously spotted, marbled or banded with 

 chestnut, yellow or slate-color; aperture white or yellowish. 



Length, 18 mill. 



PJiilippines (Cuming), Viti Isles (Garrett). 



C. MARGARITA, Reeve. PI. 48, fig. 72. 



Shell ovate, stout, with obtuse spire, 'smooth, somewhat swollen 

 and wrinkled beneath the suture ; yellowish white, with chestnut 

 and opaque white mac illations, sometimes obscurely banded and 

 usually with a row of- small chestnut spots defining a white or 



maculated subsutural band. Length, 10 mill. 



Sandwich Islands. 

 Related to C. albina, but smaller, stouter, spire more obtuse, etc. 



