10 A Canadian Arctic Expedition, 1913-18 



Genus Chionoecetes Kroyer. 



Chionoecetes opilio (O. Fabricius). 

 (Rathhun, Proc. U. S. Nat. Mus., vol. XVI, 1893, p. 74, pi. IV, figs. 5-7.) 



Off Icy cape, Arctic Alaska; hit. 70 24' N., long. 161 25' W.; 9-10 fathoms; 

 mud, with pebbles, but no algae; August 19, 1913; station 23; 2 young <?, one 

 young 9. 



According to Air. Frits Johansen (in a letter) Dr. R. M. Anderson reports 

 that several years ago one of the Eskimos caught a big " devil-crab " or " spider- 

 crab '' in a gill-net at Herschel island. 



Dr. Roy \V. Miner writes that there is in the American Museum of Natural 

 History a specimen of Chionoecetes opilio collected at point Barrow, Alaska, 

 by V. Stefansson in July or August, 1912. 



DISTRIBUTION. From British Columbia northward to Bering strait, thence 

 eastward to Greenland, thence southward to Casco bay, Maine; Kamchatka; 

 ( tkhotsk sea (off Robben island); Nagasaki, Japan; littoral to 350 fathoms. 



LIST OF LOCALITIES WITH THE DECAPODS FOUND AT EACH. 



Station 13o, 6, c. South of Shumagin islands; lat, 54 30' N., long. 159 42' 

 W.; surface; July 1, 1913. 



Hyas coarctatus Leach. Larvae. 



Station 19. Norton sound, Alaska; lat. 63 43' N., long. 165 24' W.; 

 surface; July 8, 1913. 



Pagurus brandti (Benedict). 



Station 20d. Beach at Teller, port Clarence, Alaska; July 31, 1913. 



Telmessus cheiragonus (Tilesius). 



Station 20g. Near Grantley harbour, port Clarence, Alaska; 2-3 fathoms: 

 mud, with many algae; August 4, 1913. 



Crago septemspinosus (Say). 



NectocrcCngon lar (Owen). 



Pagurus cdpilldtux (Benedict). 



Station 20o. Beach at Nome, Alaska; July 12, 1913. 



Tellmessus cheiragonus (Tilesius). 



Station 21f. Off' cape Lisburne, Arctic Alaska; lat. 68 48' N., long. 165 

 10' W.; surface; August Hi, 1913. 



Hyas coarctatus Leach. Larvae. 



Station 21r/, e, f. Off cape Lisburne, Arctic Alaska; lat. 68 48' N.; long. 

 165 10' W.; surface; August 16, 1913. 



I'agurus sp. indet. Larva. 



Hyas coarctatus Leach. Larvae. 



Station 22. Off point Lay, Arctic Alaska; lat. 69 35' N., long. 163 27' 

 W.; 11-12 fathoms; rock and sand, with algae; August 17, 1913. 



Pandalus goniurus Stimpson. 



Spirontocaris polar i* (Sabine). 



Spirontocaris fabridi i K reiver). 



Sclerocrangon boreas (Phipps). 



Nectocrangon lar (Owen). 



Station 2:i. ( )fT Icy cape, Arctic Alaska; lat. 70 24' N., long. 161 25' W.; 

 9-10 fathoms; mud, with pebbles, but no alga 1 ; August 19, 1913. 



Spirontocaris t/iiintnrdii belcheri (Bell). 



Sclerocrangon boreas (Phipps). 



Pagurus trigonocheirus (Stimpson). 

 ix splendescens Owen. 



