(355) Zenkevichj L, A. 1937. 



Progress in the study of iriarine fauna of the U.S.S.R. nade 

 in twenty years (In Russian). Zoologicheskii Zliumal, X\1. 

 pp. S30-870. Translation by British Ministry of Agric. and 

 Pi-sheries, 4-3 pp. May be obtained through U. S. Fish and 

 Vaidlife Serva.ce, Washington 25, D. C. 



(356) Zernov, S. Ao 1934. 



General hydrobiolcgj'- (Text and title in Russian). State 

 Publishing House of Biological and Medical Literature. 

 503 pp., 215 figs., diagrams, and charts, and 1 colored 

 plate, Moscot;, Leningrad. Translated by Charles Siegler, 

 17PA Proj, No. 50-11861, c/o Calif. State Div. of Fish and 

 Game, Stanford Univ., Calif. Table of Contents only trans- 

 lated. 15 pp. Available for interlibrar;/- loan from Libraiy 

 of Calif orn-ia Di-v. of Fish and Gair.e, Ferry Bldg., San 

 Francisco 11, California. 



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