880 BIOLOGY OF THE SEAS OF THE U.S.S.R. 



Petersen, C. 1913. Evaluation of the Sea. The animal communities of the 



Sea bottom and their importance for marine zoogeography. Rep. Dan. 



Biol. Station, 21. 

 Petersen, C. 1914. Notes to Charts I and II. Appendix to Report 21. Ibid. 22. 

 Petrova-Grinkevich, N. 1944. Struggle for food between the Cod and the 



Haddock in the Barents Sea. Tr. PINRO, 8 (E.s.) 

 Pettersson, O. 1914. Die Feranderungen der Ostsee und ihre Einfluss auf 



das Fischleben. 2. Nordeurop. Fischhandler- und Hochseefischereikongress. 



Malmo. 

 Pettibone, M. 1953. A new species of polychaete worm of the family Am- 



pharetidae from Massachusetts. /. Wash. Acad. Sci. 43, 11. 

 Pfannenstiel, M. 1944. Die Diluvialen Entwicklungstadien und die Urge- 



schichte von Dardanellen, Marmarameer und Bosphorus. Geol. Rund- 

 schau, 34, 7-8. 

 Pfannenstiel, M. 1951. Quartare Spiegelschwankungen des Mittelmeeres 



und des Schwarzen Meeres. Vierteljahrschr. Naturf. Gesellsch. Zurich, 



96,2. 

 Pirozhnikov, P. 1937. The question of the origin of the northern elements of 



the fauna in the Caspian Sea. DAN, USSR, 15, 8 (R) 

 Pitsyk, G. 1950. On the quantitative development and horizontal distribution 



of phytoplankton in the western part of the Black Sea. Tr. Az.-Cher. 



NIRO, 14 (R) 

 Pitsyk, G. 1951. On the phytoplankton in the Sea of Azov. Ibid. 15 (R) 

 Pitsyk, G. 1954. On the quantitative composition and distribution of the 



phytoplankton in the Black Sea. Tr. VNIRO, 28. 

 Pitsyk, G. and Novozhilova, A. 1951. On the dynamics of the zooplankton 



in the Sea of Azov. Tr. Az.-Cher. NIRO, 15 (R) 

 Podlesniy, A. 1941. Geographical distribution of the Stenodus leucichthys 



and their origin in the Caspian Sea Basin. Z.J. 20, 3 (R) 

 Poliansky, J. 1955. Data on the parasitology of the fish in the Northern 



Seas of the USSR. The parasites of the fishes in the Barents Sea. Tr. 



ZIN AN, USSR, 19 (R) 

 Polutov, I. 1952. Fresh data on the cod migrations near the eastern coasts of 



Kamchatka. Tr. TINRO, 37 (R) 

 Ponomareva, L. 1954. The winter zooplankton in the north part of the Sea 



of Japan. Tr. 10 AN, 9 (R) 

 Ponomareva, L. 1955. Feeding and distribution of the Euphausiidae in the 



Sea of Japan. Z.J. 34, 1 (R) 

 Ponomareva, L. 1959. Euphausiidae of the Sea of Okhotsk and Bering Sea. 



Tr. 10 AN, 30 (R) 

 Popov, A. 1932. Hydrobiological explorations in the Nordenskjold Sea (Sea 



of the Brothers Laptev). Expl. Mers URSS, 15 (E.s.) 

 Portenko, L. 1931. The productive forces of the ornithofauna in the Novaya 



Zemlya. Tr. Biogeochem. lab. Supplement, 2 (R) 

 Post, L. 1929. Svea, Gota och Dana alvar. Ymer, 49. 

 Pratje, O. 1931. Einfuhrung in die Geologie der Nord und Ostsee. Tierw. 



Nord-Ostsee. 



