Bie-Blo 



BIELIAVSKY, N. Lie. en Sci. Zool. — Lab. de Morphol.anim., Univ. libre 



de Bruxelles, 1850 Chaussee de Wavre, BRUXELLES-Auderghem, Bel- 



gique 

 a. Reagregation d'embryons dissocies. Ambystoma mexicanum, Pleurodeles 



waltlii, Rana temporaria (Amphibia) 

 BIER, K. Dr.rer.nat., Prof. — Zool. Inst, der Univ. Miinster, Badestr. 9, 44 



MONSTER (Westf.). Deutsche Bundesrepublik 



a. Cytologisch-histochemische Untersuchungen iiber das Wachstum der 

 Oocyten. Formica Polyctena (Hymenoptera), Calliphora erythrocephala 

 (Diptera) 



b. Autoradiografische Untersuchungen iiber unterschiedliche Reproduk- 

 tionsraten im Eu- und Heterochromatin als Weg zur Kerndifferenzierung. 

 Musca domestica (Diptera) 



BIGGELAAR. J. A. M. v. d. M.Sc. — Zool. Lab., State Univ. of Utrecht, 

 Janskerkhof 3, UTRECHT, Netherlands 



a. Nucleic acid metabolism during early developmental stages. Limnaea 

 stagnalis (Gastropoda) 



b. Synthesis of the precursors for nucleic acids during oogenesis. Limnaea 

 stagnalis (Gastropoda) 



BIGGERS, J. D. Ph.D., F.R.C.V.S., Prof. — King Ranch Lab. of Reproduc- 

 tive Physiol., School of Veter. Med., Univ. of Pennsylvania, PHILA- 

 DELPHIA 4, Pa., U.S.A. 



a. Organ culture of fallopian tubes. (Mammalia) (in collaboration with 

 R. B. L. GWATKIN) 



b. Culture of eggs. (Mammalia) (in collaboration with R. B. L. GWATKIN ) 



c. Nutrition of embryonic cartilage. (Vertebrata) 



d. Reproduction and embryology of wild animals. (Mammalia) 

 BIJELIC, N. — Inst, de Biol., Fac. de Med., Salata, ZAGREB, Youqoslavie 

 BIJTEL, Miss J. H. Dr.Sc, M.D., M.I. I.E. — Dept. of Anat. and Embryol., 



State Univ. of Groningen, Oostersingel 69, GRONINGEN, Netherlands 



a. Experiments concerning the factors which determine the normale course 

 of the outgrowing pronephric duct. Ambystoma mexicanum, Triturus tae- 

 niatus, Xenopus laevis (Amphibia) 



b. Development and phylogenetic origin of the columella auris. Ambystoma 

 mexicanum, Triturus taeniatus, Xenopus laevis (Amphibia) 



c. Development of the naso-lacrimal duct. Xenopus laevis (Anura) 



d. Development of the naso-lacrimal duct. Mus musculus albinus (Rodentia) 

 f BILEWICZ, S. Dr.phil., Prof. — Zaklad Embriol. U.W., Krakowskie 



Przedmiescie 26/28, WARSZAWA 64, Poland 

 (deceased) 

 BILLETT, F. S. B.Sc, Ph.D. — Dept. of Biol, as Applied to Med., Middle- 

 sex Hosp. Med. School, LONDEN W. 1, England 



a. Morphogenetic effects of desoxyribonucleic acid. Ambystoma mexica- 

 num, Xenopus spec. (Amphibia) 



b. Effect of ,, anti-metabolites" on early development. Gallus spec. (Aves) 

 BILLINGHAM, R. E. M.A., Ph.D., D.Sc, Prof. — Wistar Inst, of Anat. and 



Biol., 36th St. at Spruce, PHILADELPHIA 4, Pa., U.S.A. 

 — Dept. of Biol., Univ. of Pennsylvania, PHILADELPHIA 4, Pa.,U.,S.A. 

 BIRGE, W. J. B.A.. M.S.. Ph.D., Prof. — Univ. of Minnesota, MORRIS, 

 Minn., U.S.A. 



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