74 NILS ODHNER, NORTHKRN AND ARCTIC INVERTEBRATES. III. OPISTHOBRANCHIA ETC. 



Herzenstein 1893). — Fceland 2—3 m (Johansen 1902; Mörch 1868; Verkriizen 1872). 



— Denmark (Mörch 1871). — Heligoland (Heincke 1894).- Belgium (Pelseneer 1882). 



— Britisli coasts (Jeffreys 1869). -— France (Vay.ssiére 1901). — New England to 

 Cape Cod (Goiild & Binney 1870).— Davis Strait (Jeffreys 1887). Depths 2—250 

 m (Hägg 1905). Rocks. 



var. liturata (Möller 1842). 

 Hiibitat: 



Greenland: Posselt (1898, L. acatiuscula) 30 — 35 fms, elay, stones. Further: 

 Egedesniiiide, 15 fins. rocks (Torell) 1 sp. ; D:o 30—40 fms, rocks ("A 1870, Öberg) 1 sp. 



Oeneral distrihiif ioii : 



Greenland (Mörch 1857; Posselt 1898). 



Lamellidoris muricata (Muller 1776) 

 (incl. L. aspera [xA.lder & Hancock 1842]). 



Hahitat: 



The Baltic: Kiel (Möbius) 4 sps. 



West coast of Sweden: Skåne, Kullen (Lilljeborg) 1 sp. ; between Torekov and 

 Arilds läge, 14 fms, clay with shells and red algae (V? 1902, Lönnberg) 2 sps. — 

 Halland, Laholmsbukten 9 fms, algae ("Vr, 1903. Lönnberg) 4 sps. — Bohuslän: 

 *) Gullmarn, shallow water, numerous sps. (mostly young); D:o among Florideae (1885) 

 c. 30 young sps.; D:o Stångholmen 6 fms 2 sps. (L. aspera; Mus. G.); ') Strömstad, 

 Skarfön (1890, Hanson) 20 sps.; D:o 1 — 2 fms (Apr. 1880, Hanson) c. 15 sps.; '') Långö, 

 Strömstad ("/j 1888, Hanson) 9 sps.; ^) Väderöarna (Aug. 1887, Asklund) numerous sps. 



Norway: 15 sps. (Diiben) and 4 sps. (Kröyer) without definite localities. — 

 Christiansund 1 sp. (Mus. U.); Tromsö 4 sps. (Mus. U.). 



England, CuUercoats (Ålder) 5 sps. (L. aspera). 



General rtistribiitioii : 



Norway: south and west coast, 10 fms; Nordkap (G. O. Särs 1878); Vadsö 

 (Norman 1902):— Murman coast (Pfeffer 1889; Herzenstein 1893). — White Sea 

 (Herzenstein 1893). — Faroe Islands (Mörch 1867). — British coasts (Jeffreys 1869). 

 — Kiel and east Baltic (Meyer & Möbius 1865). — Travemiinde (Lenz 1875). — Den- 

 mark (Mörch 1871). — Heligoland (Heincke 1894). — France (Vayssiére 1901). — 

 North America: Halifax, Nova Scotia (Verrill 1882). — Norwegian Islands, Spitz- 

 bergen, 10 fms (Friele & Grieg 1901). Distribution to Cape Finisterre (Friele i.V- 

 Grieg 1901). 



