Mat-Mcy 



a. Correlation between pigment formation and fluorescent substances du- 

 ring postembryonal stages. Carassius auratus (Teleosfei) 



b. Biochemical and morphological properties of the pigment granules of 

 chromatophores in relation to function and differentiation. Xiphophoms 

 helleri, Carassius auratus (Teleostei) 



MATTON (VAN LEUVEN), Mrs. M.D. — Opthalmol. Clinic, Univ., 

 Hosp., Dc Pintelaan, GENT, Belgium 

 a. Cytogenetic evaluation of congenital and hereditary diseases and ano- 

 malies. 1. Sex chromatine determination of buccal mucosa cells and 

 polymorphonuclear neutrophil leucocytes. 2. Visualisation of chromo- 

 somes in fibroblast cultures. Homo sapiens (Primates) 

 MATUSZEWSKI, B. Ph.D. — Dept. of Cytol. Warsaw Univ.. Krakowskic 



Przedmiescie 26/28, WARSZAWA 64, Poland 

 MAWATARI. Sh. D.Sc. — Research Inst, for Natural Resources, Hyaku- 



nin-cho, 400 Shinjuku, TOKYO, Japan 

 MAY. R. M. Ph.D., Dr.es Sci., Dr.en Med., Prof. — Lab. d'Anat. Comp., 

 Fac. des Scis. de Paris, Centre d'Orsay, ORSAY (S. 6 O.), France 

 a. Brephoplastic transplantation. Mus musculus (Rodentia) 

 h. Tissue culture and embryonic transplantation. 

 MAYER, T. C. B.A., M.A., Ph.D., Prof. — Dept. of Biol., Rider Coll., 

 TRENTON 8, N.J., U.S.A. 

 a. Embryogenesis of pigmentary patterns. Mus musculus (Rodentia) 

 MECKLENBURG, C. L. F. C. von Fil.lic. — Zootom. dept., Zool., Inst.. 

 Univ. of Lund, LUND, Sweden 

 a. Saccus vasculosus, morphogenesis and histogenesis. Satmo salar, Sid" 

 deus spec. (Teleostei) 

 MEDAWAR. P. B. M.A.. D.Sc. F.R.S. — National Inst, for Med. 



Research, Mill Hill, LONDON N.W. 7, England. 

 MELANDER, Y. — Inst, of Genet., Univ. of Lund, LUND, Sweden 



a. Ooplasmic segregation, mitosis and germ line differentiation in early 

 embryos. Tomopteris helgolandica (Polijchaeta) 

 MELEHOVA, O. P. — Dept. of Embryol., Fac. of Biol., Moscow Univ., 

 MOSCOW V-234, U.S.S.R. 

 a. A study of free radicals in the skin after irradiation. Rana temporaria 



(Anura) 

 h. A study of the physico-chemical processes in cornea induction. Rana 

 temporaria (Anura) 

 MELLINGER, J. Dr.es Sci. — Lab. de Zool. et d'Embryol. exper., Fac. des 

 Scis.. Univ. de Strasbourg, 12 Rue de I'Universite, STRASBOURG, 

 France 

 a. Genese, differenciation et role des sacs vasculairs, etude experimentale. 



(Pisces) 

 h. Genese, differenciation et role de la vascularisation hypophysaire. 

 (Selachii) 

 MENDONCA. H. Prof. — Cadeira de Histol. e Embriol., Fac. de Med.. 

 Univ. do Recife, Caixa Postal N.616, RECIFE, Brasil 

 (no embryological work in progress) 

 MENKES, B. Dr.med., Prof. — Acad. Republ. Populare Romine, Baza de 

 cercetari stiintifice Timisoara, Bui. Mihai Viteazul 24, TIMISOARA, 

 Rumania 



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