MEDDELELSER FRA DET ZOOLOGISKE MUSEUM, KRISTIANIA 



î^orwegian Opisîliobraiichiate Mollusca 



in the Collections of the Zoological 

 Mnseum of Kristiania. 



(With 15 figures in the text.) 



By 



Nils Hj. Odhner, 



Stockholm. 



T. 



hrough the numerous contributions to the Marine Mollusc 

 fauna of Norway, which have been published especially by Nor- 

 wegian authors, we know, in rather a satisfactory manner, the 

 main constitution of this fauna as well as the distribution of its 

 constituents. On account of the far extension of the Norwegian 

 coast it is, however,- to be expected that many interesting local 

 occurrences may be revealed by continued research. With a view 

 to the completion of our knowledge of the fauna in this respect 

 I am herewith publishing a paper on the abundant collections 

 stored in the Zoological Museum of Kristiania, which have been 

 collected, to a great extent, by Prof. G. 0. Sars during his 

 numerous dredging excursions along the coasts, as well as by 

 subsequent collectors. A great part of these collections had never 

 been worked upon until Prof. T. Odhner kindly placed them at 

 my disposal for the purpose of determination and description. 

 They are worthy of being published, not only because they take 

 their origin from many localities from where nothing is previously 

 known, but also because they contain, at least as far as the 



Nyt Mag. f. Naturv. 1922. B. LX. 1 



