146 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 21 



Miers and by Lockington, stems from Dana's (1851a) use of the 

 phrase "ad oras Oregonenses" in designating the type locality. It was 

 later made abundantly clear by Dana (1852) that his material came 

 from Puget Sound, then part of Oregon Territory but now in the state 

 of Washington. 



Hyas coarctatus alutaceus Brandt 

 Plate I, Fig. 4; Plate 13 



Hyas coarctatus Leach var. alutacea Brandt, 1851, p. 79. 



Hyas coarctatus Stimpson, 1857b, p. 450. Lockington, 1877c, p. 65. 



Rathbun, 1893a, p. 69; 1904, p. 174; 1919, pp. 9A, 14A. Boone, 



1930a, p. 80, pi. 23. Not H. coarctatus Leach. 

 Hyas latifrons Stimpson, 1857c, p. 217 ; type locality, Bering Sea [Alaska 



side] ; 4S and 4? cotypes, U.S.N.M. No. 2100; 1907, p. 9, pi. 2. 



Lockington, 1877c, p. 64. Murdoch, 1885, p. 137. Miers, 1886, 



p. 47. Birula, 1907, pp. 7, 9. 

 Hyas coarctatus var. latifro?is, Braznikov, 1907, p. 43. 

 Hyas coarctatus alutaceus, Birula, 1910, p. 4, pi. 1, figs. 2-5. Rathbun, 



1925, p. 258, pis. 96, 97; 1929, p. 38, text-fig. 52. Sivertsen, 1932, 



p. 10. Glassell, 1934, p. 454. Van Winkle and Schmitt, 1936, 



p. 330. 

 Hyas coarctatus forma alutacea Dons, 1915, p. 86, footnote. 



Type: Female holotype ; in Petrograd [Leningrad] Museum, length 

 32.8 mm, width 25.4 mm. 



Type locality: Bear Island, near the Schantar Islands, Okhotsk Sea, 

 Siberia; A. Th. Middendorff, collector. 



Eastern Pacific localities subsequently reported, with collectors: 

 Bering Strait (Lockington). Bering Sea: North Pacific Exploring 

 Expedition (Stimpson, 1857c, type locality of Hyas latifrons) ; off Cape 

 Romanzoff (Stimpson, 1857c) ; 12 miles east of King Island, 17 

 fathoms, W. H. Dall; southeast of St. Lawrence Island, 22 fathoms, 

 Norton Sound, 12 fathoms, and between Nunivak Island and St. Mat- 

 thew Island, G. M. Stoney, U.S.N. ; Pribilof Islands, 20-121 fathoms, 

 off Cape Newham, 17.5-21 fathoms, between Pribilof Islands and 

 Bristol Bay, 25.5-57 fathoms, and Bristol Bay, 15-53 fathoms, Albatross 

 (Rathbun, 1893a) ; St. Lawrence Island, R. D. Moore; between Nuni- 

 vak Island and St. Matthew Island, 37 fathoms, between St. Matthew 

 Island and Pribilof Islands, 55-59 fathoms, and between Nunivak Island 

 and Pribilof Islands, 21-35 fathoms, Albatross (Rathbun, 1925) ; Nuni- 



