28 



BULLETIN 104, UNITED STATES NATIONAL MUSEUM 



son, Whiteaves), "Common in Baffins Bay and Smith Sound, as 

 far north as lat. 82° 27' N., at every depth down to 210 fathoms; 

 off the Hunde Islands, Davis Strait, 25 to 70 fathoms; on the shores 

 of Spitzbergen, 7 fathoms; off Franz-Joseph Land, lat. 79° to 80° 

 N., 108 to 125 fathoms; and off Novaya Zemlya, 55 to 93 fathoms. 

 It is comparatively rare in the Faroe Channel and the Shetland 

 Seas; and its southern limit, so far as at present known, is reached 

 on the western coast of Scotland " (H. B. Brady in Challenger Report) ; 

 Kish Bank, 24 fathoms (Balkwill and Wright) ; Clare Island region 

 of Ireland, 11 fathoms, GoldseeTcer stations in the North Sea and 

 Faroe Channel, in the Buchan Deep of the North Sea near Rattray 

 Head, east coast of Scotland and eight Euna stations west of Scotland 

 (Heron- Allen and Earland) ; Siberian Arctic (Awerinzew) ; Canadian 

 Arctic and Hudson Bay (Cushman). 



The double row of pores is due to a splitting of the canal from 

 the chamber cavity as shown by Brady's figures in the Cliallenger 

 Report and copied here. The other Arctic species, E. sibiricum (Goes) 

 also has this same character. 



Wright records the species as occurring in the Pleistocene of Ireland 



Elphidium arcticum — Material examijied 



1 Meters. 



