JAPANESE MOLLUSKS, COLUMBELLID^. 39 



Columbella (Atilia 1) pleurotomoides n. sp. PI. I, f. 6. 



Shell fusiform, slender, smooth except for slight growth-lines, and 

 on base and anterior canal numerous spiral line. Spire straight- 

 sided, the sutures linear ; whorls 9, flat, the body whorl swollen in 

 the middle, rapidly contracted below into a short anterior canal. 

 Surface not shining ; light clear buff, showing under a lens close, 

 faint, darker longitudinal lines, becoming flesh-colored on spire, the 

 earliest whorls crimson ; body whorl encircled by two girdles of 

 small, close, lunate or squarish brown spots, one on base, the other 

 above the periphery and ascending the spire about midway between 

 sutures. Aperture, small, narrow, contained nearly 2 times in 

 length of shell, smooth and showing the dot-series within ; outer lip 

 thin, sharp and simple, distinctly retracted above and arched for- 

 ward in the middle. Columella sinuous, being prominent in the 

 middle, concave above and below, without folds or teeth. Alt. 11, 

 diam. 3 mm. 



Banda, Boshiu (Stearns). 



The generic reference of this beautiful species is by no means cer- 

 tain, as the outer lip lacks the teeth within characteristic of Atilia, 

 and is distinctly retracted above. Numerous specimens were col- 

 lected. 



Columbella (Anachis) californica Reeve. Conchyl. Cab., p. 59, pi. 8, f. 3, 4. 



Japan (Dr. Guttsche). 

 Columbella (Zafra) zonata Gld. Otia Conch., p. 130. 



Kagoshima (Stimpson). 

 Columbella (Anaohis) minuscula Gld. Otia Conch., p. 131. 



Ooshima (Stimpson) 2 vars. 

 Columbella impolita Sowb. Thes. Conch., p. 132, f. 127. 



Suruga, Kii coast (Stearns). 

 Columbella (Zafra) subvitrea Smith. P. Z. S., 1879, p. 209, pi. 20, f. 43. 



South of Nippon (St. John). 

 Columbella (Zafra) mitriformis A. Ad. Ann. Mag., VI, 1860, p. 332. 



Mino-Shima, 63 fms. (Ad.). 

 Columbella discors Gmel. Conchyl. Cab., p. 18, pi. 2, figs. 17-18. 



Nagasaki (Lischke). 

 Columbella (Conidea) flava Brug. Lischke, J. M. C., Ill, pi. 2, f. 1-4. 



Kii, Kamakura (Stearns) ; Deshima (Dkr.) ; Goto Is. (St. John) . 

 Nagasaki (Lischke). 



