182 ALCYNA. 



denticle projecting into the aperture; outer lip simple. Operculum 

 and animal unknown. Type, A. ocellata A. Ad. 



Japonic and Pacific Provinces. 



A. OCELLATA A. Ad., 1860. PI. 40, fig. 12. 



Shell smooth, imperforate, whorls slightly convex, pale crimson, 

 the last encircled by occellated spots; columella terminating in a 

 prominent acute denticle. 



Sea of Japan, off Talen-Sima. Dredged in 25 fms. 



A. LEPIDA A. Ad., 1860. Unfigured. 



Shell smooth, shining, imperforate, pale reddish brown, apex 

 blackish, and encircled with pale blackish lines ; whorls 5, rather 

 flat ; parietal callus terminating below in a small acute tooth. 



Sea of Japan, off Talen-Sima, in 



A. RUBRA Pease, 1860. PL 40, figs. 6, 7. 



"Shell small, ovate, smooth, polished ; whorls 4, convexly rounded; 

 aperture ovate ; indented at the umbilical region, and grooved ; 

 columella with a prominent tooth near the base ; color red, of differ- 

 ent shades, or painted in a variety of patterns with blotches and 

 spots of red and white, or marked with oblique longitudinal red 

 lines." (Pease.) Hawaiian /*. 



A. LINEATA Pease, 1869. Unfigured. 



"Shell somewhat elevately turbinate, solid, thick ; narrowly per- 

 forate, transversely ridged ; whorls 4, convex ; aperture ovate ; lip 

 thickened within ; ridges red, interstices whitish ; columella and 

 apex white. Alt. 2}-, diam. IT mill." (Pease.) 



Ins. 



A. STRIATA Pease, 1869. Unfignred. 



"Shell elevately turbinate, rather solid, narrowly perforate, trans- 

 versely impressly striate; whorls 4, angulate beneath the suture; 

 aperture ovate; outer lip slightly thickened within; speckled and 

 mottled with black and gray of different shades, whitish beneath 

 the sutures. Alt. 2, diam. 1J mill." (Pease.) 



Hawaiian I*. 



A. SUBANGULATA Pease, 1860. Unfigured. 



"Shell minute, rather .solid, turbinate, ovate, ornamented with 

 raised spiral stride; whorls 4, depressed somewhat in the center; 



