90 



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



Doto crassicornis M. Sars 1870. 

 Habitat: 



Bohuslän: Kosterfjorden 20—40 fms (July 1895, Aurivillius) 1 sp. 



General distribution: 



Norway, Dröbak, 50-60 fms (M. Sars 1870). — Bergen, 100 fms (Friele 1876) 

 Pleurophyllidia Loveni Bergh I860. 



PI. II figs. 21—22. 

 Habitat: 



West coast of Sweden: Skäne, Skelderviken, 13 fms, clay and shells (July 1878, 

 Theel & Try bom) 1 sp. ; between Kullen and Vinga skär, 14 7a fms, clay ( 15 A 1902, 

 Lönnberg) 3 sps. ; E. of Väderön, 14 fms, clay and shells ( 4 /7 1902 Lönnberg) 1 sp. ; 

 Mölle läge, Kullen (Loven 1832) 1 sp. ; D:o 1 sp. (Mus. U.; Lilljeborg 1854).— Bo- 

 huslän: ^Gullmarn (Loven) 1 sp. ; D:o 22—24 fms, 2 sps. (Mus. G.) ; D:o (1895 and 

 July 1898) 1 and 3 sps.; D:o outside Längegaps ände, 32 m, mud (Aug. 1902) 1 sp.; 

 D:o, Bokevik, 16 fms (Loven) 1 sp. ; 2 ) Dyngö, Fjällbacka, 15 fms, clay (Goes) 2 sps. 



Genera] distribution : 



Norway: Kristianiafjorden, 10—15 fms (Asbjörnsen 1854). — Zealand, Den- 

 mark (Mörch 1871). British coasts (Jeffreys 1869). — Depths 7-40 fms. 



Pleuroleura Walteri Krause 1892. 

 Habitat: 



Spitzbergen: Waygat Islands 72° 20' N. 19° E., 30 fms rocks ( 16 U 1861, Malm- 

 gren) 1 sp. (L. = 23 mm.). 



East Greenland: Mackenzie Bay 100 m, mud, 2 sps. (1900; Hägg 1905). 



General distribution : 



Spitzbergen, 55 fms (Krause 1892); D:o 23 fms (Knipowitsch 1902). 



Hermaea bifida (Montagu 1815). 



PI. Ill fig. 29. 



Specimen lost. 



Distribution: Bohuslän, algse (Loven 1846). — British coasts (Jeffreys 1869). ■ — France (Vayssiere 

 1891). — Portugal (Nobre 1905). — Mediterranean (Cams 1889). 



