94 
1402 Boreotrophon tenuisculptus Cpr. 1866. 
Synonymy:—tTrophon subserratus Sby. 
Aleutian Islands to Estero bay, near San Luis Obispo, Cal. 
Originally described from the Pleistocene of Santa Barbara, Cal. 
1403 Boreotrophon scitulus Dall. 1891. 
Dredged off Unalaska, in Bering Sea, in 225-309 fms. Proba- 
bly extends to San Pedro channel, Cal. 
callous, the latter twisted and obliquely truncate in front, form- 
ing a nearly pervious axis ; lon. of shell 25; of aperture and canal 
15; max. diam. 12 mm. 
Type locality: Southeast coast of Kamchatka, in 96 fms, 
1405 Boreotrophon orpheus Gould. 
Synonymy:—Fusus orpheus Gld. 1849.—Trophon fabricii Cpr. 
1863 (non Beck, 1842).—Trophon stuarti of various authors, not 
Smith. 
Vancouver Island to Cape Mendocino. 
Shell with 7-12 varices with the interspaces crossed by 4 or 5 
rounded spiral cords, and reaches a length of 52 mm. The varices 
1407 Boreotrophon (Stuarti var.?)smithi Dall. 
This form is known to range from Fuca Strait to Santa Bar- 
bara, Cal., in 39-74 fms. It much resembles B. Stuarti in general 
but differs by more slender whorls, with a more constricted suture 
relatively wider varices, and the absence of any spiral sculpture. 
strongly recurved and imbricating remnants of old canal ends are 
noticeable on the siphonal fasciole. Color whitish, with a Pale 
brown or yellowish periostracum., 
1408 Boreoptrophon peregrinus Dall. 
Shell small, yellowish white, with 8 whorls ; nucleus rounded, 
smooth, tilted, with 1% whorls; subsequent whorls with 7 or 8 
angle the whorl is somewhat excavated; base of whorl constricted 
with a short recurved, imbricate canal; aperture Squarish, white 
