Mar-May 



MARKERT, C. L. Ph.D., M.I. I.E., Prof. — Dept. of Biol.. Johns Hopkins 

 Univ.. Charles and 34th Sts., BALTIMORE 18, Md., U.S.A. 



a. Chromosomal differentiation. Rana pipiens (Anura), Mus musculus (Ro- 

 dentia) 



b. Ontogeny of isozymic patterns of enzymes. Mus musculus (Rodentia) 



c. Changes in synthetic ability during cellular differentiation. Gallus do- 

 mesticus (Aves), Mus musculus (Rodentia) 



d. Biochemistry of development. Ascidia nigra (Ascidiae) 

 MARKMAN, B. Fil.lic. — Wenner-Gren's Inst, for exper. Biol., Norrtulls- 



gatan 16, STOCKHOLM Va., Sweden 

 a. Studies of labelled precursors incorporated into eggs and embryos in dif- 

 ferent stages of development, and the correlation of the results to morpho- 

 genetic events. (Echinoidea) 

 MAROtt, K. M. M.Sc. — Dept. of Exper. Zool., Polish Acad, of Sci., ul. 

 Kopernika 7, KRAKOW, Poland 



a. Regeneration in the central nervous system. (Cyclostomata; Selachii; 

 Teleostei) 



b. Stimulation of the regeneration process by blastemal tissue homogenates. 

 (in collaboration with S. SKOWRON and K. RZEHAK) 



MARSLAND, D. A. B.Sc, M.S., Ph.D. — Marine Biol. Lab., WOODS 

 HOLE, Mass., U.S.A. 

 a. Cell division. (Echinoidea) 



MARTIN, Miss B. A. M.A.. Ph.D. — Dept. of Biol., Brooklyn Coll., Bedford 

 Ave. and Ave. H, BROOKLYN 10, N.Y., U.S.A. 

 a. Cytology and embryology. (Insecta) 



MARTIN, B. F. B.Sc, M.D. — Dept. of Anat, Fac. of Med., Univ. of Shef- 

 field, SHEFFIELD, England 

 (no embryological work in progress) 



MARTIN, P. — Lab. d'Anat. fonctionnelle et de Neuro-anat., Fac. de Med., 

 45 Rue des Sts. Peres, PARIS Vie, France 



MARTIN, R. Dr. — Zool. Station, NAPOLI, Italia 



a. Cytology of cells cultured in vitro. Tubularia larynx (Hydrozoa) 



MARTINET, Mrs. M. Dr.es Sci. — Lab. d'Histol., Fac. de Med., 45 Rue 

 des Sts. Peres, PARIS Vie, France 



a. Influence teratogene des intoxications. Mus rattus (Rodentia) 



b. Influence teratogene de 1'hypervitaminose A. Mus rattus, Mus musculus, 

 Cavia cobaya (Rodentia) , Oryctolagus cuniculus (Lagomorpha) 



c. Influence teratogene des rayons X. Mus musculus (Rodentia) 

 MARTINOVITCH, P. N. M.A., Ph.D., M.I.I.E. — Dept. of Exper. Histol. 



and Organ Culture, Inst, of Nuclear Sci. Boris Kidric, P.O. Box 522, 

 BEOGRAD, Yugoslavia 



a. Teratological changes in embryos produced with Tyrode plus DNA. 

 Gallus domesticus (Aves) 



b. Transplantation of the forebrain region in early embryogenesis. Gallus 

 domesticus (Aves) 



MARTY, R. M. Dr.en Med., Dr.es Sci. — Lab. de Rech. Neurophysiol., Fac. 

 des Sci., 31 Rue de l'Universite, MONTPELLIER (Herault), France 

 a. Etude neurophysiologique du systeme auditif avant l'entree en fonction 

 des recepteurs de la cochlee (stimulation electrique du nerf cochleaire) 

 dans la periode postnatale. Felis catus, Lepus cuniculus (Mammalia) 



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