Bulgaria 



* FICQ, Mrs. A. A. Asst. 



* BALTUS, Miss E. Asst. 



* VANDERHAEGHE, Mrs. F. 



Asst 



* TENCER, Miss R. Asst. 



* BIELIAVSKY, N. 



* QUERTIER, Miss J. Asst. 



* POHL, Miss V. 



* SHEPHARD, D. C. 



Lab. de Biophys. et de Radiobiol. 



* HELL, Miss A. E. Res. Stud. 

 Gent, Bylokekaai 1, Univ. of Gent, 

 Fac. of Med., Lab. of Anat. 



FAUTREZ, J. C. Prof., Dir. 

 FAUTREZ (FIRLEFYN), 



Mrs. N. J. 



* VAKAET, L. C. Assoc. Prof. 

 ANTEUNIS, Miss A. H. J. 

 COLLE (VAN DE VELDE), 



Mrs. A. 

 Liege, Quai Ed. Van Beneden 22, 

 Inst. Zool. Ed. Van Beneden, 

 Dept. de Morphol. des Chordes 



* DAMAS, H. F. C. Prof. 



* DENIS, H. A. Asst. 



* MAGIS, N. Asst. 

 Liege, 20 Rue de Pitteurs, 

 Univ. de Liege, Fac. de Med., 

 Lab. d'Histol. et d'Embryol. 



CHEVREMONT, M. J. J. 



Prof., Chef du Dept. 

 FREDERIC, J. Agr. et 'Charge 

 de Cours-Assoc. 

 CHEVREMONT 



(COMHAIRE), Mrs. S. 



Chef de Travaux 

 LIEBECQ (HUTTER), Mrs. S. 



Chef de Travaux 

 BAECKELAND, E. 



Conservateur 

 Louvain, 59 Rue de Namur, 

 Univ. de Louvain, Inst, de Zool., 

 Lab. d'Embryol. 



VANDEBROEK, G. Prof., Dir. 

 Louvain, 12 Rue des Recollets, 

 Univ. de Louvain, Inst. d'Anat. 



* CAMPENHOUT, E. van 



Prof., Dir. 



BULGARIA 



Sofia 6, 27 Blvd. Hristo Botev, 



Czechoslovakia 



Med. Res. Inst. 



ROUSSEV, G. K. 

 Sofia 13, Blwd. Lenin N. 2, 

 Univ. of Sofia, 

 Med. School, Inst, of Gener. Biol. 



DIMITROVA, Miss A. I. 



Assoc. Prof. 

 Sofia, Blwd. Ruski I, 

 Bulg. Acad, of Sci., Inst, of Zool. 



* BOSCHKOW, D. 

 Sofia, Blwd. Lenin 55, 



Inst, of Biol, and Pathol, of fertiliza- 

 tion of domestic animals 



* DOKOW, V. K. Assoc. Prof. 



CZECHOSLOVAKIA 



Bratislava, Zelezna Studienka 806, 

 Lab. of Fishery Sci. 



* BALON, E. K. 

 Plzen, Karlovarska 48, 

 Charles Univ., Fac. of Med., 

 Inst, of Histol. and Embryol. 



* SLABY, O. Prof., Dir. 



* MATEJKA, M. Asst. 

 SOVA J. Asst. 



* PECHACKOVA, Miss J. Asst. 

 Praha, Podoli nabf. K. Marxe 157, 

 Inst, for the Care of Mother and 

 Child 



JIRASEK. J. E. Chief Embryol. 



Lab. 

 Praha 2, Albertov 4, Univ. Karlovy, 

 Embryol. ustav lekafske fak. 



FRANKENBERGER, Z. 



Prof., Dir. 



VACEK, Z. Prof. 



LOJDA, Z. Asst. 



KRAUS, R. Asst. 

 Praha 2, Vinicna 7, 

 Charles Univ., 

 Dept. of Gener. and Exp. Zool. 



* SLADEcEK, F. Prof., Dir. 



* ROMANOVSKY, A. 



Chief Asst. 



* NEDViDEK, J. Asst. 



* STEFANOVA (MAZAKOVA), 



* VILlMKOVA (HABROVA), 



Mrs. V. 

 Praha 2, U nemocnice 3, 

 Charles Univ., Dept. of Anat. 



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