1904 ] NATURAL SCIENCES OF PHILADELPHIA. 15 



little wider than their intervals, the contracted base and fascicle spirally 

 lirate. Whorls 6-7, convex, the last convex below the suture and 

 peripherally, contracted below, the longitudinal ribs absent on its 

 last half, which is smooth except for a small rounded varix behind the 

 lip, marked with a large white spot above and another in the middle. 

 Both lips are dentate within, the outer margin with about 8 teeth, 

 the upper ones, in the middle of the lip, stronger; inner lip with five 

 weak teeth. Columella with one deeply placed basal fold. 



Length 5, diam. 2.6 mm. 



Length 5.7, diam. 2.8 mm. 



Types No. 85,961, A. N. S. P., from No. 1,392 of Mr. Hirase's 

 collection. 



A beautiful rose-colored, smooth-waved little species. 



Columbella somnium n. sp. PL III, figs. 28, 29. 



Shell stoutly fusiform, solid and strong, variously colored: (1) pink, 

 sprinkled with white dots, with a white band maculate with brown 

 below the suture, and a peripheral line of white dots, the swollen 

 lip-varix white with several brown spots, or (2) white with longitudinal 

 ragged brown markings, mingled with a clear gray reticulation on the 

 back of the last whorl. Surface glossy and nearly smooth, there being 

 a few very low and inconspicuous nodules below the suture on the 

 back of the last whorl, and 2 or 3 spiral cords above the short, convex 

 siphonal fasciole, which is spirally coarsely striate. Spire with slightly 

 convex lateral outlines; apex obtuse. Whorls 7, but slightly convex, 

 the last broadly gibbous, Varixed behind the outer lip. Aperture 

 half the shell's length, the outer lip straight, lilac-tinted, with 8 teeth 

 within, columella with a single broad, low, deeply placed fold, and a 

 series of 8 teeth at the edge, which is lilac-tinted and distinct but not 

 elevated. 



Length 11.7 to 12.7, diam. 5 mm. 



Yakujima, Osumi. Types No. 86,129, A. N. S. P., from No. 1,424 

 of Mr. Hirase's collection. 



This beautiful species resembles C. dunkeri Tryon, but differs in the 

 straightened outer lip, heavier varix and narrower mouth with stronger 

 teeth. 



Columbella hahajimana n. sp. PL III, fig. 25. 



Shell very minute, obesely fusiform, moderately solid, yellowish 

 marked with some faint angular brown lines or with white belts at 

 suture, periphery and base, and marked with angular brown lines, and 

 a row of oblong spots above the middle. Sculpture of many close, 



