%9L^'] PROCEEDINGS OF THE NATIONAL MUSEUM. 187 



Strombella fragilis, sp. nov. 



Shell thin, inflated, five whorled, pinkish with a thin dehiscent epi- 

 dermis, fine wavy spiral strife, strongly recurved canal and widely re- 

 flected outer lip. Spire very short, whorls irregularly ribbed near the 

 shoulder or sometimes having imbrications like a Trophonm place. of 

 ribs ; axis nearly pervious. Length of aperture 70, of shell 100, breadth 

 63 millimetres. U. S. Steamer Albatross, station 3252, ofit" Unimak 

 Island, Bering Sea, in 36 fathoms. 



Strombella tnelonis, sp. nov. 



Shell large, very thin, inflated, pinkish or yellow and white, last 

 whorl much the largest, tlie aperture but little expanded, general form 

 ovate, with numerous short obscure waves near the shoulder; surface 

 faintly striated, with obscure spiral bauds on some portions. Length 

 137, breadth 75 millimetres. U. S. Steamer Albatross, station 3227, ofif 

 coast of Uualashka Island, Bering Sea, in 225 fathoms. 



Chrysodomus ithius, sp. dov. 



Shell slender, acute with seven rounded whorls, distinct suture, sur- 

 face sculptured only with lines of growth and of a pale purple brownish 

 tint. Aperture moderate not flaring, canal short. Length 70, of aper- 

 ture 32, breadth of shell 30 millimetres. U. S. Steamer Albatross, sta- 

 tion 3202, oft' the coast of California in 382 fathoms. Extremely per- 

 fect young specimens show a few faint spirals occasionally. 



Chrysodomus periscelidus, sp. nov. 



Like a diminutive G. spitzbergensis, white with yellowish epidermis, 

 five strong spirals on upper and ten on last whorl with deep channels 

 between them. Whorls eight, canal short, aperture grooved to corres- 

 pond with the external spirals; throat white ; whorls rounded, spire 

 acute; length of shell 46, of aperture 19, breadth of shell 19 millimetres. 

 U". S. Steamer Albatross, station 2812, ofif coast of Akutan Island, 

 Alaska, in 72 fathoms. 



Chrysodomus phoeniceus, sp. nov. 



Shell resembling a small, delicately sculptured, round- whorled Chrij. 

 liratus. Whorls seven, upper ones with four or five strong cinguli, 

 later ones with numerous fine intercalary threads between the primaries 

 of which there are about twenty on the last whorl, color purplish brown ; 

 sculpture feeble, with a smooth band next the suture; there are no trans- 

 verse ribs ; the epidermis is elevated in thin serrate lamellie in harmony 

 with the lines of growth. Length of shell 56, breadth 30, length of 

 aperture 30 millimetres. U. S. Steamer Albatross, Station 2862, off coast 

 of British Columbia in 238 fathoms. 



Chrysodomus eucosmius, sp. nov. 



Shell white, solid, strong, seven whorled, with a lamellose epidermis 

 raised in lines with spaces between them along the incremental lines, 



