Characteristics of the water-masses of the Phihppmc. kcrmadcc and I onga Trenches 42^ 



St. 677. Kermadec Trench. Interpolation referred to standard 

 depths. 28°38'S. 175" 53' W. 4 5/. 3 1952 



St. 686. Tonga Trench. Interpolation referred to standard depths. 

 20° 53' S. 173° 51' W. 11/3 1952 



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 BRimN, A. Fr. (1953 a), Problems of life in the deepest deep sea. Geogr. Mag., 26. 247-262. 

 Bruun, A. Fr. (1953 b), Dybhavets Dyreliv. In: A. F. Bruun, Sv. Greve, H. Mielchc and R. Sp^a-k. 



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