96 NILS ODHNEE, NORTHERN AND ARCTIC INVERTEBRATES. III. OPISTHOBRANCHIA ETC. 



— Murman coast (Herzenstein 1893). — White Sea (Wagner 1885). — Jan Mayen 

 (Friele 1879). — Spitzbergen (Mörch 1869; Knipowitsch 1901, 1902). — Iceland (Mörch 

 1868). — Paroe Islands (Mörch 1867). — British coasts (Jeffreys 1869). — New York to 

 East Canada; Davis Strait ; Baffin Bay (Whiteaves 1901). — Behring Strait and »Sea; 

 Aleutian Islands (Krause 1885). 



