96 



1418 B. (avalonensis variety?) eucymatus Dall. 



Shell not spiny at shoulder, larger, with 15-18 varices, hardly 

 raised and barely angular at shoulder; long. 27; max. lat. 9.5 mm. 

 Type locality: — Off San Diego, Cal., in 124 fms. 



1419 Boreotrophon rotundatus Dall. 



Shell small, with rather short spire and 5 or more fully round- 

 ed whorls; nucleus eroded; subsequent whorls with (on the last) 

 about 14 keeled ribs, angular, but not spinose, at shoulder, pass- 

 ing over whorl to base; spiral striation obsolete or none; aperture 

 subovate, yellowish within; canal moderate, recurved; Ion. of 

 shell 16; of aperture and canal 10; max. lat. 7 mm. 



Type locality: — Southeast from Pribilof Islands, Bering Sea. 



1420 Boreotrophon cepnla Sby. 



Bering Sea north of Nunimak Island; in the Pacific south, 41 

 85 fms. Japan, north coast, 48 fms. 



1421 Variety cymatus. Pribilof Islands, 71 fms. 



1422 Boreotrophon dalli Kobelt. 



Cape Franklin, in the Arctic ocean, through Bering Sea into 

 the Pacific. 



Synonymy: — Fusus lamellosus Gray, 1839. — Trophon muri- 

 ciformis Dall, 1877. — Trophon Dalli Kobelt, 1878. — Trophon 

 gooderichi Sby. 



1423 Variety altus. Spire exceptionally elevated. 



1424 Trophon pinnatus Dall. 



Dredged in Magdalena bay, and near Point Abreojos, Baja 

 Cal., in 21-74 fms. 



1425 Typhis Martyria Dall. 



Type locality: off San Pedro, Martyr Island, Gulf of Cal., in 

 14 fms. 



1426 Pedicularia Calif ornica Newcomb, Cal ac pr 3:121 (1864). 

 This beautiful shell is white, clouded with deep rose, more or 



less modified in form by the surface to which it clings. 



Farallones Islands to Monterey, Cal., attached to the stems 

 of Gorgonians. 



1427 Anaplocamus borealis Dall. 



Pacific ocean, south of Unimak Island, Alaska, in 61 fms. 

 Shell bluish white with an olivaceous brown periostracum. 



1428 Litorina aleutica Dall, Cal ac pr 4:271, t 1 f 3, 3a. 

 Aleutian Islands (Dall). 



Shells mostly yellow brown, sometimes with lighter bands, 

 throat dark, the broad pillar white, with a minute umbilical per- 

 foration. 



1429 Litorina atkana Dall. 



Shell large, solid, nearly smooth, whorls flattened next the 

 suture, a few obsolete striations on base, outer lip thin, pillar 

 broad and white. Alt. 20, lat. 17 mm. Commonly dark chestnut 

 brown throughout, except on pillar. 



Type locality: — Western Aleutians, from Atka Island west- 

 ward. 



