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Guryeva, T. 1948. A qualitative and quantitative characteristicjof the 



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 Haas, F. 1938. Bivalvia, in Bronns Klassen und Ordnungen des Tierreichs, 3, 3 



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 Hagmeier, A. 1926. Die Arbeiten mit dem Petersenschen Bodengreifer auf der 



Ostseefahrt. April 1925. Ber. Deutsch. Wiss. Komm. Meeresf. N.F. 11, 4. 

 Hagmeier, A. 1930. Die Bodenfauna der Ostsee im April 1929 nebst einigen 



Vergleichen mit April 1925 und Juli 1926. Ibid. 5, 3. 

 Hagmeier, A. 1930. Eine Fluktuation von Mactra (Spisula) subtruncata da 



Costa an der Ostfriesischen Kuste. Ibid. 3. 

 Harin, N. 1939. Hydrobiological sketch of the salted limans near Azov Sea. 



Tr. Novocherkassk Zoo-vet. Inst. 

 Harin, N. 1951. Zoobenthos and zooplankton of the Kuban River limans 



and its changes under dilution. Tr. Az.-Cher. NIRO, 15 (R) 

 Harvey, H. 1926. Nitrate in the Sea. J. Мог. Biol. Assoc. 14. 

 Harvey, H. 1928. Biological chemistry and physics of sea water. 

 Harvey, H. 1945. Recent advances in the chemistry and biology of sea water. 

 Hedgpeth, J. 1957. Concepts of Marine Ecology. Treatise on Marine Ecology 



and Paleoecology. Vol. 1. 

 Hedgpeth, J. 1957. Marine Biogeography. Ibid. 

 Hedgpeth, J. 1957. Estuaries and Lagoons. Biological Aspect. Ibid. 

 Helland-Hansen, B. 1912. The ocean waters. IRHH Suppl. 1, ser. 2. 

 Hertling, H. 1929. Die Nahrung der Ostseefische. Mitt. Deutsch. Seefsch. 



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 Hessland, J. 1946. On the Quaternary Mya period in Europe. Arkiv Zool. 



37a (8) 

 Hessle, C. 1924. Bottenboniteringar i inre Ostersjon (Quantitative investi- 

 gations into the bottom fauna of the inner Baltic). Meddel. K. Lant- 



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 Hessle, C. 1946. On the Quaternary Mya period in Europe. Arkiv Zool. 37 (2) 

 Hessle, C. and Vallin, S. 1934. Undersokningar over plankton ochdess 



vaxlingar i Ostersjon under aren 1925-27 (Investigations of plankton 



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 Hoffman, C. 1943. Salzgehalt des Seewassers als Lebensfactor mariner 



Pflanzen. Kieler Blatter, 3. 

 Hofsten, N. 1915. Die Echinodermen des Eisfjords. Kungl. Sv. Vetensk. 



Acad. Hand!. 54, 2. 

 Hofsten, N. 1916. Die Decapoden Crustaceen des Eisfjords. Zool. Erg. der 



Sved. Exped. nach Spitzbergen 1908. Ibid. 54, 7. 

 Hogbom, A. 1917. Uber die arktische Elemente in der aralo-kaspischen 



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 Idelson, M. 1929. On the Nourishment of the Food-Fish in the Barents 



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 Idelson, M. 1930. A preliminary quantitative evaluation of the bottom fauna 



of the Spitzbergen bank. Ber. MNI, 4, 3. 



