BIHANG TILL K. SV. VET.-AKAU. HAXDL. BAND 26. AFD. IV. NIO 12. 4") 



Fam. Diastylidae. 



Diastylis Say 1818. 



Diastylis Goodsiri (Rell). 



1855. Ahuijia Goodsiri Bell, Belcher, Last of tlie Arctic Voyages, 



vol. 2, p. 403, pl. 34, fig. 2. 

 1859. Diastylis plumosa M. Sars, Overs. ovcr Norg. Arkt. Krebsd. 



1. c. p. 127. 

 1887. » Goodsiri Hansex, Dijmphna-Togtets zool.-bot. Ud- 



bytte, p. 241, pl. 22, figs. 5— 5 n, pl. 23, fig. 2. 

 1000. » Goodsiri G. O. Sars, Cumacea p. 54, i)l. 41. 



This gigantic species was obtained at the stations: 



in 189S: 

 stat. 0. lat. 76° 46' N., loug. 15° 22' E., off Horn Sound, West Spitz- 



bergeu, depth 210 m., bottom tenip. + 2,83° C, soft black- 



grayish clay, 26/VI, two spec. 

 » 10. lat. 77° 9' N., long. 14° 40' E., otf Ice Islands, West Spitz- 



bergeu, depth 90 m., soft gray clay, 27; VI, one spec. 

 >. 21. lat. 78 27' N., long. 15° 20' E., Ice Ejord, North Fjord, 



depth 175 m., soft dark-brown clay, 19/VII, many spec. 

 » 32. King Charles Island, Bremen Souud, depth 100 — 110 m., 



bottom temp. — 1,45° C, fine clay with great stones, Bi- 



locnlina scarce, 8 VIII, one spec. 

 >, 34. lat. 78° 50' N., long. 29~ 39' E., King Charles Island, depth 



60 — 70 m., fine black-grayish clay, 17/VIII, three spec. 



in 1899: 

 stat. 21. lat. 74° 10' N., loug. 20° 8' W., S.E. of Clavering Island, deptli 

 25^ — 40 m., mud, much shells and pebbles, 17/VII, one spec. 

 » 28. lat. 71° 33' N., long. 21° 30' W., one km. from Murray's 



Island, depth 200 ra., mud with sand, 28 VII, one spec. 

 » 33. lat. 70° 43' N., long. 22° 29' W., Scoresby Sound, Hurry's 



Inlet, depth 70 m., mud, 7/ VIII, two spec. 

 >. 39. lat. 72° 45' N., long. 22° 56' W., depth 35—60 m., mud 

 with boulders, 1 8 VIII, many si)ec. 



Diastylis Goodsiri has a wide geographical range. within 

 the Arctic area. It was first described after specimens taken 

 in the Polar Archipelago of North America. Låter on, it 

 has been obtained at the following localities: Baffin Land 

 (Nilsson 1894), West GJ-reenland, very seldom (Hansen), North 

 Greenland, Inglefield G-ulf (Pear^^ Aux. Exp. 1^94), East 

 Greenland (Swed. Arctic Exp. 1899), Jan Mayen, Finmarken 

 (Norw. North. Atlant. Exp.), "West Spitzbergen (Norw. North 



