U.S.S.R. 60 



U.S.S.R. 



Inst, fur exper. Med. Jer U.S.S.R., Abt. fur exper. Embryol., Leningrad. 



SVETLOV, P. 

 (data not yet received) 

 (Address unknown) 



BLACHER, L. J. 

 (data not yet received) 

 (Address unknown) 



FILATOW, D. 

 (data not yet received) 



Lab. fur Organ, gen., Inst, fur Evol. Morphol., Akad. der Wissensch. 

 der U.S.S.R., Moskau. 



DRAGOMIROW, N. 

 (data not yet received) 



Inst, of Cytol., Histol. and Embryol. of the Acad, of Sci. of the U.S.S.R.. 

 Obrexh Str. 6, Moscow. 



POLEZAJEW, L. W. 

 (data not yet received) 

 Inst, fur Cytol. und Embryol., Voronzovo, Pole 6, Moskau 120. 



LOPASHOV, G. 

 (data not yet received) 



