80 AXEL OHLIN, ARCTIC CRUSTACEA. 



throps glacialis. It is worth remarkiiig that no representative 

 of this genus was obtained either on the Challenger Expedi- 

 tion or on the German Plankton Expedition. These species, 

 all of which, when living, are very easily recognizable by 

 their bright red eye-pigment soluble in spirit, have hitherto 

 only been recorded from the North Atlantic and Arctic Oce- 

 ans; Eri/throps lyygmcea also occurs in the Mediterranean at 

 Messina and Naples (G. O. Särs), and, as Särs has pointed 

 out, they are certainly of an Arctic origin only occurring 

 along the Norwegian coast in the innermost and deepest 

 basins of the fiords, as also many other animals of undonbt- 

 edly Arctic origin. 



34. Ery throps Goesii (G. O. Särs). 



1864. Mysis erythrophthalraa GoÉS, Crust. decapoda marina Suecise 



etc, 1. c. p. 174. 

 1868. Nematopus Goesii G. O. Sars,. Beretn. era eu i Sorameren 



1865 foretageu zool. Reise etc, 1. c p. 96. 

 1870. Erythrops » G. O. Sars, Carciuol. Bidrag til Norges 



Fauna etc, L, 1. c. p. 24, tab. I. 

 1892. » » Norman, British Mysidse etc, 1. c p. 160. 



Locality: 



in 1898: 



stat. 21. lat. 78' 27' N., long. 15° 20' E., Ice Fiord, North Fiord, 

 depth 175 m., soft brownish clay. 19/VII, onc spec. 



This species, the type of the genus, was found by LovÉN 

 otF Finmarken, by Lilljeborg at Christiansund, and by the 

 Swedish Expedition, in 1861, in Wide Bay, North Spitzbergen. 

 Låter on, it was rediscovered by Sars at several places oiF 

 the Norwegian coast from Hammerfest to Christiania Fiord. 

 It also occurs oiF Scotland, in the Firth of Forth (Scott). 

 Smith mentions it from Massachusetts Bay, and Stuxberg 

 and Jarzynsky from the White Sea, Murman Coast, Matotsch- 

 kin Schar, and Kära Sea. Vanhöffen enumerates it in his 

 list of crustaceans obtained in Karajok Fiord, West Green- 

 land. Along the Norwegian coast it occurs in depths ranging 

 from 30 up to 100 or 125 fathoms, and seeras to live exclusi- 

 vely on muddy bottom. 



