MARINI, Miss M. Dr.Biol.Sci. — 1st. di Anat. Conip., Fac. di Sci. Fis. Mat. e Nat.. Univ. dl 



Modcna. Via Bcrengario H. MODENA, Italia 

 a Growth and differentiation of the subcommissural organ. (Amphibia) 

 b Mitotic ratio in the regeneration of the nerve cord and ganglia. (Amphibia) 

 MARINKOVIC. D. B.Sc. — Inst, of Nuclear Sci. "Boris Kidrich". BELGRADE. Yugoslavia 

 MARINKOVICH. V. A. M.D. — Dept. of Pediatrics, Stanford Univ. School of Med.. PALO 



ALTO, Calif. 94304. U.S.A. 

 a Developmental immunochemistry. Gallus gallus (Aues), Oryctolagus cuniculus (Lago' 



morpha) 

 h Immunoglobulins. Gallus gallus (Aves), Oryctolagus cuniculus (Lagomorpha) 

 MARKELOVA. Mrs. I. W. Cand.med.sci. — Inst, of Exper. Biol.. Acad, of Med. Sci. of the 



U.S.S.R., Baltiyskaya 8. MOSCOW A-315. U.S.S.R. 

 a Regulation of cell division in different stages of development. (Amphibia) , Mus musculus, 



Fiattus norvegicus (Rodentia) 

 • MARKERT. C. L. Ph.D.. Prof. — Dept. of Biol.. Yale Univ.. NEW HAVEN, Conn. 



06520. U.S.A. 

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

 h Ontogeny of isozymic patterns of enzymes. Ilyanassa obsoleta (Gastropoda). Mus mus- 

 culus (Rodentia) 

 c Biochemistry of development. Ascidia nigra (Ascidiae) 

 d Developmental genetics. Various spp. (Pisces) 



MARKMAN, B. Fil.lic. — Wenner-Gren's Inst, for exper. Biol., Norrtullsgatan 16. STOCK- 

 HOLM Va.. Sweden 

 a Studies of labelled precursors incorporated into eggs and embryos in different stages of 



development, and the correlation of the results to morphogenetic events. (Echinoidea) 

 MARKOVA. Mrs. L. N. — Inst, of Developm. Biol.. Acad, of Sci. of the U.S.S.R.. Vavilov 



St. 26. MOSCOW V-133. U.S.S.R. 

 a The synthesis of serotonin in early embryogenesis. Rana temporaria (Anura) (in col- 

 laboration with G. A. BUZNIKOV) 

 MARON. K. M. M.Sc — Dept. of Exper. Zool.. Polish Acad, of Sci.. ul. Kopernika 7, 



KRAKOW, Poland 

 MAROTTI, G. Dr. — Inst, of Human Anat.. Fac. of Med.. Policlinico, BARI, Italy 

 a Histological and histochemical changes in the developing cornea of diminutive eye bulbs. 



Gallus domesticus (Aves) 

 MARSLAND, D. A. Ph.D., Prof. — Marine Biol. Lab.. Box 665, WOODS HOLE, Mass. 



02543. U.S.A. 

 a Disintegration of mitotic spindle of dividings eggs on application of high hydrostatic 



pressure. Acbacia punctulata (Echinoidea) 

 h Stabilization of the mitotic structures by heavy water (D2O). (Echinoidea) 

 c Re-inforcement of the anti-mitotic effects of colchicine by high pressure in dividings eggs. 



Lytechinus variegatus (Echinoidea) 

 d A temperature analysis of how pressure reverses the anti-mitotic effects of heavy water 



in the dividing egg. Arbacia punctulata (Echinoidea) 

 MARSTON, J. H. B.Sc, B.Vet.Med. — Dept. of Anat., Med. School. Univ. of Birmingham. 



Edgbaston, BIRMINGHAM 15, England 

 a Fertilization. Oryctolagus cuniculus, Cavia porcellus, Rattus norvegicus, Macaca mulatta 



(Mammalia) 

 b Early (pre-implantation) embryonic development. Oryctolagus cuniculus, Cavia porcellus, 



Rattus norvegicus, Macaca mulatta (Mammalia) 

 c Physiology and mode of action of intra-uterine contraceptive devices. Oryctolagus cuni' 



cuius, Cavia porcellus, Rattus norvegicus, Macaca mulatta (Mammalia) 

 MARTIN, A. H. Ph.D. — Dept. of Anat.. Bardeen Med. Labs., Univ. of Wisconsin, MADI- 

 SON, Wis. 53706, U.S.A. 

 a Development and morphology of the central nervous system studied by light microscopy. 



(Vertebrata) 

 h Teratogenic effect of various techniques and agents upon the developing embryo. (Verte- 

 brata) 

 MARTIN, C. B., Jr. — Dept. of Embryol., Carnegie Inst, of Washington, 115 W. University 



Parkway, BALTIMORE, Md. 21210, U.S.A. 

 a Anatomical and radiological studies of circulation in the maternal placenta. Macaca mulat- 

 ta. Homo sapiens (Primates) (in collaboration with M. W. DONNER and Miss E. M. 

 RAMSEY) 

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



MARTINEK, J. M.D. — Inst, of Embryol., Fac. of Med., Charles Univ.. Albertov 4. PRA- 

 GUE 2, Czechoslovakia 

 a Cytochemistry and electron microcopy of eggs. Mus rattus (Rodentia), Homo sapiens 



(Primates) 

 h The fine structure of the blastocyst. Mus rattus (Rodentia) 



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