78 NILS ODHNER, NORTHERN AND ARCTIC INVERTEBRATES. V. rROSOBRANCHIA. 1 DIOTOCARDIA. 



temp. + 2°C. (Sp. Exp. Vo 1898) 1 sh., h. 2; ap. I.20; d. 2.2; wh. 3\2 (differing from 

 the type by the body whorl being somewhat flattened towards the suture and the 

 aperture therefore subangular above). 



General Distribution: 



Norway: Lofoten, 80—100 fms (G. O. Sars 1878). - Nordland, shs (Krause 

 1887). - Klosterelv and Bog Fiord, East Finmark (Norman 1902). — W. off Nor- 

 way, Norwegian North-Atlantic Exp. St. 87 and 33, 484--510 fms (Friele 1877), St. 

 31, 173 b, 192 and 195, 107-650 fms (Friele 1886). 



Cyclostrema laevigatum (Jeffreys) G. 0. Sars 1878. 



Habitat: 



Spitzbergen, King Charles Land, Bremer Sound between the Islands, 100 — 110 

 ni, bottom temp. — l.i5°, fine clay with big stones, Biloculina sparse (Sp. Exp. ^/s 

 1898) 1 sh., fragmentary, probably belonging to this species. 



Oeneral Distribution: 



Norway, Lofoten southwards to 200 fms (d. 1.8; G. O. Sars 1878); Nordland 

 (Krause 1887); Florö, Bergen, 20 fms (Friele 1876, and 1886 = C. trochoide, Friele 

 1876). — Between Hebrides and Faroe Isles, 189—229 fms (Jeffreys 1883). — N. of 

 Hebrides, 240 m, dead shs (Simpson 1910). 



Adeorbis fragilis G. 0. Sars 1878. 



Distrilnitioii: T;ofotcii. GO— 80 fms, and west coast, dead shs (G. 0. Sars 1878). — W. and S. off 

 Portugal, 322— i)94 fms (Jettreys 1885, Nobre 1905). 



Archytaea delicatum Philippi 1844. 



Dlstrilnitioii: Lofoten, 200—300 fms, 1 sli. (G. 0. Sars 1878). — Azores, 1828 m (Dautzenberg 1889). 



var. expansa G. 0. Sars 1878. 



l)islril)ulioii: Lofoten, 200—300 fms, 1 sb. together with the type (G. 0. Sars 1878). 



