(250) Pedersen;, E. 1947. 



BestemmslsG av kalsium i sj^vann. (Detemination of calcium 

 in seawater)e Fiskeridirektcratets Skrifter^, Serie Ha\'un- 

 derspkelser, vol. 9, Nr. 1, pp. 13-19 » Translation sunmary 

 by British Ministry of Agric« and Fisheries, 1 p» May be 

 obtained throiigh U. S, Fish and '.Vildlife Service, V&shington 25 > 



(251) Pentegov, B=, P., I. M. Mentov, and E. F. Kurnaev. 1928, 



Physico-chenical characteristics of breeding migration fast 

 of teta (in Russian), Russia U,S.S.R. Pacific Scientific 

 Fisheries Station, Bull. vol. 2, no. 1, 65 pp. V].adivostokc 

 Translated by Natalie B. Notkin, duplication of typeivritten 

 manuscript, 82 pp., 17 figs., 29 tables. Available on inter- 

 library loan from Fisheries Research Institute Librarj^j, Uni- 

 versity of Washington, Seattle 5, Washington. 



(252) Petrovich, M. ^1940. 



Analyse matheraatique et probllmes biologiques et oceano- 

 graphiques (Kathematical analysis and biological and oceano- 

 graphic problems). Ann. Inst. Oc^anogr. Yugoslavia, II, 

 pp., 52-73; Split, 1940. Partial translation, pp. 62-66, 

 67, 71j 72, by British Ministry of Agric. and Fisheries, 

 7 ppo May be obtained tlirough U, S. Fish and Wildlife 

 Service, Washington 25, D. C<, 



(253) Pinto, C. 1923 » 



Ensaio Monographico dos Hirudineos (Monograph of leeches )o 

 Revista Mus<, Paulista, 13^ pp. 857-lll8o Translation 100 pp« 

 Available from Dr. Marvin Clinton Meyer, University of Maine, 

 Orono, Maine. 



(254) Plehn, Marianne. 1924. 



Praktikum der Fischkrankheiten (Fish disease practice). E. 

 Schweizerbarth (En^ri-n Nagele, Ltd.), Stuttgart. Translated 

 by Charles Siegler, WPA Proj. No. 50-11861, c/o California 

 State Div. of Fish and Game, Natural History Museum, Stan- 

 ford Univ., Calif. Translation xii 337 pp. Available for 

 interlibrai^^ loan from Library of California Div. of Fish 

 and Game, Ferry Bldg., San Francisco 11, California. 



(255) Plekhanov; Asp. P. 1933. 



Determination of age in seals ( Phoca groenlandica ) (in 

 Russian):. Abst. Works Zool, Inst. Moscow Univ., 1933; pp. 

 88-91. Translated by Mrs. James B, Notkin, c/o Catalogue 

 Div. Univo of Wash. Library, Seattle 5, Waslaington, 4 ppo 

 not including 2 photographs. Available for interlibrary 

 loan from TiTildlife Research Laboratory, Fish and Wildlife 

 Service, 2725 Montlalce Blvd., Seattle 2, Washington. Photo- 

 stats available at cost. 



42 



