54 NILS ODHNER, NORTHERN AND ARCTIC INVERTEBRATES. III. OPISTHOBRANCHIA ETC. 



Diaphana globosa (Loven 1846). 

 Habitat: 



West coast of Sweden: Gullmarn, Bohuslän, 50 — 70 fms, clay 1 sh. ; D:o, Kal- 

 viksberget (Vs 1889, Aurivillius) 1 sh. 



Norway : Dröbak, 60 fms, clay, 1 sh. — Lofoten 200 — 300 fms, 1 sh. — Karlsö, 

 N. of Tromsö, 50 fms (V, 1861, Malmgren) 1 sh. 



Spitzbergen: 72° 10' N. 20° 37' E., 200—230 fms, clay ( 21 A 1868) 1 sh. 



Greenland : Godthaab, 72 fms, sand (Amondsen) 1 sh. : Julianehaab (1883) 1 sh. 

 (~ D. hiemalis in Posselt 1898). 



Genera] distribution: 



Norway: Kristianiafjorden to Vadsö 30 — 450 fms (G. O. Sars 1878); Nserstrand, 

 Bukkenfjord (Grieg 1896). — Murman coast (Herzenstein 1893). — Jan Mayen (Friele 

 1879). — Behring Sea (Krause 1885). — Massachusetts (Whiteaves 1901). Depths 

 30 — 450 fms. Clay, sand. 



Diaphana hiemalis (Couthouy 1839). 

 Habitat : 



Spitzbergen: N. of Hope Island, 77° 25' N. 27° 30' E., 160 m, yellowish brown 

 clay, bottom temp. - 1,71° C. ("7u 1898) 1 sh. (together with Cylichna scalpta). 

 Greenland: Posselt (1898), 25 — 70 fms, clay, sand, stones. 



General distribution : 



Norway: Vadsö 50—60 fms (G. O. Sars 1878). — North Atlantic, 9 local., 107 

 — 1004 fms (Friele & Grieg 1901, inch D. globosa). - - Murman coast (Herzenstein 

 1893). -- Grand Manan ; Bristol, Maine, N. America (Whiteaves 1901). Depths 50— 

 1004 fms. Clay. 



Diaphana densistriata (Leche 1878). 

 Habitat : 



The White Sea: Sidorow Island (N. W. part of the White Sea) 20 fms, sand 

 and mud ( 3 / 8 1895, Knipo witsch) 1 sh. 



Kara Sea: Leche (1878), 9 fms, clay. 



North of Siberia: Aurivillius (1887), 9- -36 fms, clay, sand. 



Genera] distribution: 



Murman coast : White Sea (Pfeffer 1889 ; Herzenstein 1893). Depths 9— 36 fms 

 Clay, sand. 



