dall] new species of shells 167 



threads ; all are crossed and faintly reticulated by well-marked in- 

 cremental lines, which sometimes form wrinkles near the suture ; 

 aperture milk-white, the outer lip thickened, strongly reflected, and 

 on the inner edge of the thickening obscurely crenulate ; body with 

 a thin coating of callus with a few nodulations near the junction with 

 the outer lip ; pillar callous, arcuate, concave, its anterior edge 

 obliquely twisted, forming a pervious axis ; canal short, recurved 

 with a short fasciole ; operculum brown, ovate, with a paucispiral 

 nucleus surrounded by concentric structure, the nucleus to the right 

 of the center of the anterior third. Lon. of shell, 67 ; of last whorl, 

 58 ; of aperture, 50 ; of operculum, 25 ; max. lat. of shell, 50 mm. 



Station 4912, in 391 fathoms, August 12, 1906, off Kagoshima, 

 Japan. U. S. Nat. Mus., 110,503. 



This fine and elegantly sculptured species is perhaps nearest to 

 the G. cchinophora of the Mediterranean, from which it is distin- 

 guished by numerous characters, the most conspicuous of which, 

 perhaps, is the absence of any raised lamella on the pillar and canal. 



Genus ASTRJEA Bolten, 1798 (ASTRALIUM Link, 1807) 

 ASTR^A PERSICA Dall, n. sp. 



Shell small, conic, whorls overhanging the suture and about five 

 in number ; ground color a creamy yellow with radiating flammules 

 of very dark purple, grading off on the anterior side to crimson and 

 rose pink, separate tubercles having dark color giving the effect of 

 dots ; early whorls with, on the upper surface, five beaded spirals, 

 between which on the later whorls are intercalated one or more much 

 smaller beaded or simple threads ; these are crossed obliquely by 

 small, sharp, imbricated lamellae, visible only under a lens ; at the 

 periphery the thin keel is produced into narrow, guttered spines with 

 two or three radial threads on each ; base elegantly flammulate with 

 dark purple, sculptured like the upper side, having one strong 

 nodulous and seven or eight smaller spirals and the same imbricate 

 minor sculpture ; the peripheral keel should have, when intact, about 

 20 spines ; umbilical region smoothly covered with a milk-white 

 callus ; aperture rounded, the outer lip leading at the suture, which 

 is laid on the prominent basal spiral before mentioned, aperture 

 white except where the color markings show through the glaze. 

 Alt. of shell, 20 ; maximum diameter, excluding spines, 22 ; diameter 

 of aperture, 10 mm. The operculum was not preserved. 



Station 4936, in 103 fathoms, off Kagoshima Bay, Japan, August 

 16, 1906. U. S. Nat. Mus., 110,507. 



The coloration of this exquisite little shell reminds one of the 



