Contents. 



Pag. 



Preface i 



Chap. I. Historical Review of Previous Investigations 6 



Chap. II. Personal Hydrographical Investigations 17 



Chap. III. Plankton Investigations (with Tables) 41 



Chap. IV. Are the Lives of Fishes and their Migrations, dependent on the Ocean 



Currents.^ 55 



Hydrographical Tables i 



Chart of Depths I. Of the Sea on the Norwegian Coast. 



— » — II. The Spring Herring District. 



— Ï — III. The Mouth of the Christania Fjord. 



— s — IV. Lofoten. 



— » — V. Vikten. 



Surface Chart A. Sahne Contents. August 1S93. 



— ,) — B. — November, 1S93. 



— V— C. — November, 1S94. 



— » — D. — February, 1S94. 



— » — E. — Februar}-, 1S95. 



Plate I. Spring Herring District. 

 II. — »— 



III. The Norwegian Channel. 



IV. — 3 — , Vikten, Lofoten. 

 V. The Mouth of the Christiania Fjord. 



