THE NORWEGIAN NORTH-ATLANTIC EXPEDITION 



1876-1878. 



THIRD VOLUME. 



ZOOLOGY. 



Fishes by Robert Collett. 



Annelida by (J. Armauer Hansen. 



Spongiadæ by G. Armauer Hansen. 



Mollusea I. Buccinidæ by Herman Friele. 



Mollusca II by Herman Friele. 



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