26 0. Nordgaard. [No. 8 



edge may go considerably deeper down than to 500 m. On Mar. 



22th, 1899 there was thus off the Vesteraalen edge ocean water 

 from the very surface down to the depth of 900 m. 



List of works that have been referred to in this paper. 



1. H. MoHN, Nordhavets Dybder, Temperatur og Strømninger. 



1887. (Den norske Nordhavs-Expedition 1876—78). 



2. Petteesson a. Ekman, Grunddragen af Skageracks och Katte- 



gats Hydrografi. 1891. (Kungl. Svenska Vetenskaps-Aka- 

 demiens Handlinger, B. 24, No. 11). 



3. Johan Hjoet, Hydrografisk-biologiske studier over norske 



fiskerier. 1895. 



4. Johan Hjoet, Undersøgelser over organismerne og strømfor- 



holdene i det norske Nordhav. (Naturen, 1897). 



5. Hjoet j Noedgaaed a. Gean, Report on Norwegian Marine 



Investigations 1895—97. Bergen 1899. 



