82 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.37. 



Genus ROCINELA Leach. 

 ROCINELA CORNUTA Richardson. 



Rocinela comma Eichardson, Proc. Amer. Pbilos. Soc, vol. 37, 1898, p. 12, figs. 

 1-2; Proc. U. S. Nat. Mus., vol. 21, 1899, p. 827; Ann. Mag. Nat. Hist. (7), 

 vol. 4, 1899, p. 169; American Naturalist, vol. 34, 1900, p. 219; Bull. U. S. Nat. 

 Mus., No. 54, 1905, pp. 192-193. 



Locality.— ^i'Aiion 4772, on " Bowers Bank," Bering Sea, lat. 54° 

 30' 30" N.; long. 179° 14' E. 



Depth. — Three hundred and forty-four fathoms in green and brown 

 sand. Only one specimen found. This is the only one, besides the 

 type-specimen, which has been taken. 



ROCINELA BELLICEPS (StimpsonV 



Mga belliceps Stimpson. Proc. Acad. Nat. Sci., Phila., vol, 16, 1864, p. 155. 



^ga alascensis Lockington, Proc. Cal. Acad. Sci., vol. 7, 1877, pt. 1, p. 46. 



Rocinela alascensis Richardson, Proc. Amer. Phllos. Soc, vol. 87, 1898. p. 11. 



Rocinela belliceps Richardson, Proc. U. S. Nat. Mus., vol. 21, 1899, p. 827; 

 Ann. Mag. Nat. Hist. (7), vol. 4, 1899, p. 169; American Naturalist, vol, 34, 

 1900, p. 219 ; Harriman Alaska Expedition, Crust., vol. 10, 1904, p. 214 ; Proc. 

 U, S, Nat. Mus., vol. 27, 1904, p. 659 ; Bull. U. S. Bureau of Fisheries, vol. 24, 

 1905, p. 213; Bull. U. S. Nat. Mus., No. 54, 1905, pp. 199-201. 



Localities. — Unalaska; Nazan Bay, Atka; station 4782, on the 

 way from Agattu Island to Chichagof Harbor, Attu Island, by 

 the Semichi Islands, Aleutians, at East Cape, Attu Island, S. 

 22° W,, 4 miles (lat, 52° 55' N.; long. 173° 27' E.) ; station 4784, 

 on the way from Chichagof Harbor, Attu Island, around eastern 

 end and south of Attu Island to Preobrajenij^a Bay, Medni Island, 

 Komandorski Islands, at East Cape, Attu Island, S. 18° W., 4 

 miles (lat. 52° 55' 40" N,; long. 173° 26' E.) ; station 4803, on 

 the way from Milne Bay, Simushir Island, Kuril Islands, to Ha- 

 kodate, Hokkaido, Japan, by the Boussole Strait, at Cape Rollin, 

 Simushir Island, N. 59° W., 9 miles (lat. 46° 42' N,; long. 151° 

 45' E.) and station 4804, N, 58° W., 9,7 miles (lat. 46° 42' N.; long. 

 151° 47' E.) ; station 4812, on the way from Hakodate, Japan, to 

 Ebisu, Sado Island, Sea of Japan (by the Tsugaru Strait), at north 

 point Sado Island, S. 31° W., 15 miles (lat. 38° 33' N. ; long. 138° 40' 

 E.) ; station 4860, on the way from Matsu Shima, Sea of Japan, to Na- 

 gasaki, Japan, at C. Clonard, S. 23° W., 13 miles (lat. 36° 18' N. ; 

 long. 129° 44' E.) ; station 4779, on "Petrel Bank," Bering Sea, at 

 Semisopochnoi Island, r. t, S. 59|° W,, 1. 1. S. 37° W. (lat. 52° 11' N. ; 

 long, 179° 57' W.). 



Depth. — Shore; 54-229 fathoms in green mud, fine brown mud, 

 black sand, coarse pebbles, rocks, gravel, broken shells. 



