(199) Yakovlev, A. I. 1955. 



Results of hydrodynamic tests on trawl floats (in 

 Russian). Proc. All-Union Sci. Res. Inst. Sea Fish. 

 Oceanogr., vol. 30, pp. 36-5^. BMFF - 22 pp. by COI. 



(200) Zenkevich, L. A. 195^. 



Achievements of Soviet science in the study of ocean 

 deeps (in Russian). Vsesoiuznoe Obshchestvo po 

 Rasprostraneniiu Foliticheskikh' Nauch. Znanii, ser, 

 3, (23), pp. 1-31. FOL. 



(201) Zenkovich, B. A. 1938. 



On the grampus or killer vhale (Grampus orca Lin. ) 



(In Russian). Priroda, April I938, No. h, pp. 109-112. 



SLA - 5 pp. 



(202) Zinova, A. D. 1950. 



On certain features of the algal flora of the V/hite 

 Sea (in Russian). Akad. Nauk SSSR, Vsesoiuznyi 

 Gidrobiol. Obshchestva, Trudy, vol. 2, pp. 231-251. FOL. 



(203) Zubov, N. N. 1938. 



Sea water and ice. Sect. 50: Optical and radiational 

 properties (in Russian). Morskie Vody i L'dy, pp. 292- 

 296. FOL. 



(20!+) Zubov, W. N. 19^5. 



Arctic ice; bibliography (in Prussian). L'dy arktiki, 

 pp. 353-357. FOL. 



(205) Zubov, N. N., and M. M. Somov. 19^0. 



The ice drift of the central part of the Arctic Basin 

 (in Russian). Problemy Arktiki, vol. 2, pp. 51-68. 

 SLA - 31 pp. 



(206) Zusser, S. G. 1953. 



A criticism of the application of the theory of tropisms 

 to studies of the behaviour of fish (in Prussian). Zhur. 

 Obshchei Biol., vol. l^i, No. 2, pp. I3I-I39. FOL. 



28 



