40d Canadian Arctic Expedition, 191S-18. 



1887-88. Anceus elongatus Hansen, Vidensk. Meddel. Naturh. Foren. i Kj<^bn., 

 p. 182. 



1899. Gnathia elongata G. 0. Sars, Crust, of Norway, II, Isopoda, p. 55, pi. 23, 



fig. 1. 



1900. Gnathia elongata Richabdson, American Naturalist, 34, p. 214. 



1901. Gnathia elongata Richardson, Proc. U. S. Nat. Mus., 23, p. 507. 

 1905. Gnathia elongata Richardson, Bull. 54, U. S. Nat. Mus., p. 58. 



1901. Gnathia elongata Axel-Ohlin, Bihang till K. Sv. Vet. Akad. Handl., 24, 

 Afd. 4, No. 12, p. 20-21. 



1912. Anceus elongatus K. Stephensen, Dan/nark Exp., pp. 574, 576. 



1913. Anceus elongatus K. Stephensen, Danmark, Exp., p. 230. 



Gnathia elongata Hansen, Danish Ingolf Exped., Crust. Malacost. 3, 

 pt. 5, p. 224. 



Range : This species has a wide distribution, having been recorded from the 

 Kara sea region^ westward to Lille Karajok fjord, West Greenland. It lives in 

 depths from a couple of fathoms down to about 500 fathoms, more frequently in- 

 temperatures above zero but also in temperatures down to at least 0-6°. 



Localities recorded: Kr^yer's type material was taken from a jar of Amphi- 

 poda labelled "Greenland," but without specific locality. East Greenland, lat. 

 65° 37' N.; Forsblad fjord, lat. 72° 17' N., 90-40 fathoms; lat. 69° 25' N., long. 

 20° 01' W., 167 fathoms; West Greenland— Lille Karajok fjord, lat. N. 70° 30' 

 (Vanhoffen); mouth of Ameralik fjord, lat. 64° 03' N., 5-70 fathoms, 14 

 specimens; Davis strait, Ingolf Station 32, lat. 66° 35' N., long. 56° 38' W., 

 318 fathoms, temperature 3-9°, 3 male specimens. 



Europe: 



Kara sea, 49-69 fathoms; (Hansen) King Charles islands, Bremer sound; 

 lat. 78° 50' N., long. 29° 39' E., Spitzbergen, 35-40 fathoms (Ohlin); midway 

 between Finmark and Beeren Eiland, lat. 72° 27' N., long. 20° 51' E.; the 

 whole Fiimiark coast, especially abundant in Hammerfest harbour, 20-40 

 fathoms; extending southward along the coast of Lofoten islands (Sars) ; Station 

 223, Vestfjord, south of Lofoten islands; Jan Mayen, 70 fathoms, temperature 

 0-6°; Jan Mayen, Ingolf Station 115, lat. 70° 50' N., long. 8° 29' W., 86 fathoms, 

 temperature 0-1°, 4 males, 2 females; south of Jan Mayen, Station 116, lat. 70° 

 05' N., long. 8° 26' W., 371 fathoms, temperature 0-4°, 11 specimens; north of 

 Iceland; Ingolf Station 126, lat. 67° 19' N., long. 15° 52' W., 293 fathoms, 

 temperature 0-5°, 4 "specimens; east of Iceland, Station 59, lat. 65° 00' N., 

 long. 11° 16' W., 310 fathoms, temperature 0-1°, 1 female. East Iceland: Seydis 

 fjord, in a fishing net, 1 female; Faskruds fjord, 20-50 fathoms. Rode fjord, 70 

 fathoms. 



Gnathia cristata (Hansen). 



1887-1888. Anceus cristatus Hansen, Vidensk. Meddel. Naturh. Foren. i Kj0bn., 

 p. 182, pi. 7, fig. 2-2a. 



1900. Gnathia cristata Richardson, American Naturalist, 34, p. 214. 



1901. Gnathia cristata Richardson, Proc. U. S. Nat. Mus., XXIII, p. 506. 

 1905. Gnathia cristata Richardson, Bull. 54, U. S. Nat. Mus., p. 56, fig. 41. 



Range: The only record of this species is the one cited below: 



Locality recorded: Lat. 72° 32' N., long. 58° 51' W., Baffin bay, approxi- 

 mately north of Upernavik, Greenland, depth 116 fathoms, type locality. 



