MITRELLA. 121 



the 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. PI. 48, fig. (H. 



Shell fusifonnly 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. PL 48, figs. 68, 69. 



Shell ovately p^a-amidal, smooth, polished, slightly striate at 



the base ; outer lip shouldered and obscurely sinuate above, 



usually bai-ely 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. 



Africa ( Solander 1 . 



C adiostina^ Duclos (fig. 69), a figured but undescribed species, 

 ignored by subsequent monographers, appears to me to approxi- 

 mate to this form. 



C. ALBiNA, Kiener. PI. 48, figs. ^0, H. 



Shell oblong, smooth ; body-whorl 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. 



Philippines (Cviming), 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 maculations, 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, 

 16 



