10 a Canadian Arctic Expedition, 1913-18 



Genus Chionoecetes Kroyer. 



Chionoecetes opilio (0. Fabricius). 

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



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

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

 young 9 . 



According to Mr. 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 W. 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; 

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



List of Localities with 'the Decapods found at Each. 



Station 13a, b, 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). 



Nectocrangon lar (Owen). 



Pagurus capillatus (Benedict). 



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



Tellmessus cheiragonus (Tilesius). 



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

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



Hyas coarctatus Leach. Larvae. 



Station 2ld, e, f. Off cape Lisburne, Arctic Alaska; lat. 68° 48' N.; long. 

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



Pagurus sp. indet. Larvae. 



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 polaris (Sabine). 



Spirontocaris fabricii (Kroyer). 



Sclerocrangon boreas (Phipps). 



Nectocrangon lar (Owen). 



Station 23. Off Icy cape, Arctic Alaska; lat. 70° 24' N,, long. 161° 25' W.; 

 9-10 fathoms; mud, with pebbles, but no algae; August 19, 1913.' 



Spirontocaris gaimardii belcheri (Bell). 



Sclerocrangon boreas (Phipps). 



Pagurus trigonocheirus (Stimpson) i 



Pagurus splendescens Owen. 



