CONTENTS. 



V 



PAGE 



Norway ....... 402 



Sweden ....... 405 



Denmark ....... 405 



Russia . . . . . .408 



SECTION C. — PHYSICAL INVESTIGATIONS. 



I. Keport on Observations relating to the Physics and Chemistry of the 

 North Sea during 1888 and 1889, and including a review of 

 the Analytical Work hitherto undertaken for the Fishery Board 

 for Scotland. By John Gibson, Ph.D. (Plates X.-XIII.) . 409 



II. Note on the Carbonic Acid and Micro-organisms in the Air at 

 Various Stations during the Cruise of H.M.S. 'Jackal.' By 

 Charles Hunter Stewart, M.B., B.Sc. . . . .472 



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