KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 41. N:0 4. 67 



Jorunna Johnstoni (Ålder & Hancock 1845'). 

 Habitat : 



Bohuslän: Gullmarn 7 sps. ; D:o Skar (Loven) 4 sps. ; D:o Alsbäck, Skårberget 

 70 fms (Aug. 1890) 1 sp. ; D:o between Löken and Svenningeskär (Loven) 2 sps. — 

 Lindö, near Kosterrännan, 30 fms (Olsson) 3 sps. — Andsöholmar 10 — 30 fms 

 (Olsson) 2 sps. 



Norway: Bejan, Trondhjem (Boeck) 1 sp. ; Trondhjemsfjord (Koren) 1 sp. 



General distribution: 



West coast of Norway 10—12 fms (G. O. Särs 1878); Kristianiaf jorden (M. Särs 

 1870). — English and Scottisli coasts, Ireland (Jeffreys 1869). — Denmark (Mörch 

 1871). — Heligoland (Heincke 1894). — France (Vayssiére 1901). — Portugal (Nobre 

 1905). — Mediterranean and Adriatic (Carus 1889). Depths 10—70 fms. 



Aldisa zetlandica (Ålder & Hancock 1855). 



Habitat : 



Norway: Fiinnarkeu, Kvsenangeii 20 — -K) fni.s 1 sp. (Mus. U.: Aurivillius 1886). 



(iteneral distribution : 



Norway: Lofoten to 200' fms; Finmarken; Bergen (G. O. Särs 1878); Trondhjemsfjord 200 — 250 ins 

 (Norman 1893): ? Herlötjorden (Appellöf 1894). — North Atlantic fiS'" 33' N. 20° 5' w'., 393 fms, bottom 

 temp. + 3,8° C. 1 sp. (Bergh 1899). — Shetland 40 fms (Jeffreys 1869). — Azores (Bergh 1899). 



Platydoris planata (Ålder & Hancock 1846 '). 



PL I tigs. 19—20. 



Habitat: 



Bohuslän: Kristineberg, Gullmarn (Aug. 1891, Carlgren) 1 sp., vvith fertilized 

 eggs (L. 42 mm) ; Gullmarn 2 sps. (L. 22 and 20 mm) ; Väderöarna 1 sp. (L. 35 mm) ; 

 Andsöholmar 1 sp. (L. 20 mm). 



General distribution : 



British and Scottish coasts (Ålder & Hancock 1862; Jeffreys 1869); Plymouth 

 (Garstang 1890). — France (Vayssiére 1901). - Portugal (Nobre 1905). — If this 

 species is identical witli P. testudinaria (Risso 1826), which is supposed bj^ Ålder & 

 Hancock (1862), it occurs also in the Mediterranean. 



Rostanga coccinea (Forbes 1843). 

 Habitat : 



England: Cornwall (Ålder) 1 sp. 



