80 



NILS ODHNER. NORTHERN AND ARCTIC INVERTEBRATES. Hl. O PISTHOBRANCHIA ETC. 



Cratena Olrikii (Mörch 1857).' 



Distribution: Greenland, Goclhavn (Mörch 1857; Bergh 1864; Posselt 1898). 



Cratena hirsuta (Bergh I860). 



Distribution: The Sea S. of Greenland (Bergh 1864); Egedesminde (Posselt 1898). — Spitzbergen: 

 Bastian islands 30 fms (Krause 1892). 



Cuthonella abyssicola Bergh 1884. 



Distribution: Faroe Channel 60° 5' N. 6° 21' W.. 680 fms. bottom temp. — 1,1° ('. ( 8S /s 1882) 1 sp 

 (Bergh 1884). 



Cuthonella ferruginea Frtele 1902. 



Distribution: X. W. of Iceland. 600 m 1 sp. (Friele 1902). 



Cuthonella Berghi Frtele 1902. 



Distribution: Denmark Strait, 550 m 1 sp. (Friele 1902). 



Hervia modesta Bergh 1874. 



Distribution: Eellelwk, Sjjplland (Bergh 1874). 



Cumanotus laticeps n. sp. 



Text-figs. 2—4. 

 Haltilal : 



Norway: Sörvser, Finmarken, 5—10 fms (July 1800. Jägerskiöld) 4 sps. 



Tergipes despectus (Johnston 1835). 



Distribution: Norway: Bergen -10 fms (Friele <fe Hansen 1876); Huso, littoral (Friele & Grieg 1901). 

 Great Britain (Jeffreys 1869). — Heligoland (Heincke 1894). — Holland and Belgium (Maitland 1897). - 

 France (Vayssiere 1901).— Fast coast of X. America (Gould &. Binney 1870). 



Forestia albicans (Friele & Hansen 1876). 



Distribution: Norway. Florö, Bergen 1(> fms, on Fucus (Friele & Hansen 1876) 



1 The specimen mentioned by Posselt is a Coryphella salmonacea. 



