362 1 I A M I X KA. 



H. STRKJOSA A. Adams. Cnfigured. 



Shell cylindric-ovate, rounded at both ends, white, shining, sub- 

 opaque, transversely most minutely striolate throughout, longitu- 

 dinally streaked; aperture narrow, dilated in front; columellar 

 margin simple, arcuate ; lip straight, posteriorly produced and 

 rounded (Ad., Ann. Mag. (3), ix, p. 156). 



Ta/ni-Sima, JHJHUI, 25 fms. 



White, with longitudinal slightly raised streaks, and entirely trans- 

 versely striated. In form it resembles H. lucida A. Adams; but 

 the aperture is rounded anteriorly, and not produced as in that 

 species. (Ad.}. 



H. GRISEA Smith. Unfigured. 



Shell shortly cylindrical, subplanate above, rounded below, thin, 

 imperforate ; blue-white under a thin gray epidermis, tinged with 

 hurt' toward the apex, shining ; most minutely and closely >pirally 

 striate, obsoletely decussated by arcuate growth-lines; aperture nar- 

 row above, slightly produced above the vertex, dilated at 1 

 columella obliquely somewhat twisted; lip thin, inserted in the 

 middle of the vertex and thickened there. Alt. 6, diam.3 mill. s . . 



Of Japan, Lat. 42 52' .V., long. 144 40' E , in 48 fins. (St. 

 John). 



ll'iminea grisea SMITH, Ann. Mair. N. H. (4), xvi, 1S75 p. 114. 



//. ntrti'-'itn Moller, is the nearest ally of this species; but the 

 lateral outlines of that species are more convex, and ihe epidermis 

 of a more yellow color. In H. grisea the columellar portion of the 

 body-whorl is of a yellowish color, and the termination of the 

 slightly olive-grey epidermis is defined by a. blackish edge. () 



H. EXARATA Philippi. PI. 4(1, li.ir. ( -7. 



Shell grooved by simple impressed transverse lines; sujn-i 'mi- 

 angle of the aperture produced, base rounded. 

 Alt. S, diam. (I, thickness 4 lines. 



Northern China (Largilli- 



I'M.. /ritM-hr. f. Mai. l*4!l, p. 1 41 . //<///<//,< 

 MM . Mai. P>1. i, p. 40. II. ( linn'mcn A.Ai>.. I 



p. 584, pi. 104, f. 98. //. 30WB., 0. Icon., f. LM. 



