KtTNGL. SV. VET. AKADEMTENS HANDLING AR. BAND 41. N:0 4. 



71 



Polycera quadrilineata (Müller 1776). 



PI. ITT tigs. 11—1 4. 

 Habitat: 



The Baltic: Kiel (Möbius) 2 sps. 



West coast of Sweden: Laholmsbukten, Halland, 8 fms, hard clay ( 10 / 6 1902, 

 Lönnberg) 1 sp. — Bohuslän: *) Gullmarn c. 85 sps.; I):o 60 — 70 m (June 1902) 1 sp. ; 

 D:o among. Laminarise (winter 1895, Aurivillius) 10 sps. ; D:o Gasö ( 6 / 6 1905) 4 sps. ; 

 D:o Gäsöfjord, 5 — 10 fms (May 1895, Aurivillius) 1 sp. ; 2 ) Stigfjorden c. 50 sps.; 

 :i )N. of Styrsö 10—20 fms (Aug. 1889) c. 15 sps.: ') Väderöarna (1887, Asklund) 10 

 sps.; 5 ) Dyngö, Fjällbackac. 30 sps.; ') W. of Köster, inside the rocks, 2—5 fms (Ljung- 

 man) 20 sps.; 7 ) S karfön, Strömstad (1890, Hanson) c. 20 sps. 



Norway: 5 sps. (Düben) without definite locality; Trondhjemsfjorden (Koren) 

 2 sps. ; Bergen, Glaesvser 10 fms, 1 sp. (Mus. U.). 



General distribution: 



Norway: Lofoten 10 — 20 fms; the whole west and south coast (G. O. Sars 1878). 

 — British coasts (Jeffreys 1869). — Norway: Christiansund (Lilljeborg 1851). — Den- 

 mark (Mörch 1871). - - Kiel (Meyer & Möbius 1865). — Heligoland (Metzger & Meyer 

 1875, Heincke 1894). — Holland and Belgium (Maitland 1897). — France (Vayssiere 

 .1901). — Portugal (Nobre 1905). — Mediterranean and Adriatic (Carus 1889). Depths 

 to 70 m. Algse. 



Doridunculus echinulatus G. O. Sars 1878. 



Distribution : Risvaer, Lofoten, 80—100 fms (&. 0. Sars 1878). 



Doridunculus pentabranchus n. sp. 



PI. I figs. 22 — 23. 

 Habitat: 



Skagerrack 58° 2' N. 9° 4' E., 335 fms, fine brown clay ( l 7 7 1879, Gunh. Exp.) 

 1 sp. with trawl. 



Acanthodoris pilosa (Müller 1776). 



PL TI figs. 13-15. 

 Habitat: 



The Baltic: Kiel (Möbius) 1 sp. 



West coast of Sweden: Skane: Kullen (Lilljeborg) 1 sp. : between Kullen and 

 Väderön, 13'/. fms, shells ( 1S A 1902 Lönnberg) 2 sps. ; between Kullen and Vinga skär, 

 J 4 fms, shells (7 7 1902, Lönnberg) 1 sp. ; between Torekov and Arilds läge, 14 fms, 



