b Role des hormones dans la differenciation primaire du sexe. Gallus spec, Coturnix coturnix 

 (Avcs) 



c Polyembryonie experimcntale. (Salmonidae, Teieostei) (avec H. LUTZ) 



d Action des ultra-sons sur I'embryon et sur differents organes. Gallus spec. (Aves) (avec H. LUTZ) 



e Culture in vitro du blastoderme. (Aves) (avec H. LUTZ) 



f Free-martinisme spontane. (Aves) (avec H. LUTZ) 



g Hybridation. Anas spec. (Aves) 



h Action des pesticides sur le developpement de I'embryon. (Aves) 



LY THI Ba, Miss; Dr. - Lab. de Bot., Fac. de Pharm. Paris-Sud, rue J.B.Clement, 92290 CHATENAY- 

 MALABRY,' France 



a Comparative embryogenesis and phylogenetic relations. Damasonium stellatum (Ranales), 

 Potamogeton luceus (Helobiae) 



b Experimental embryogenesis: callus formation and development, embryoid formation. Pota- 

 mogeton spec. (Potamogetonaceae), Myosurus spec, Delphinium spec, Actaea spec. (Ranun- 



LYON, Miss M. F.; Sc.D. - MRC Radiobiol. Unit, Didcot, HARWELL, Berks. 0X11 ORD, England 

 a Developmental genetics of mutant genes; X-chromosome inactivation; experimental chimaeras. 



Mus musculus (Rodentia) 

 McGOVERN, P. T. Dept. of Anat., Royal Vet. Coll., LONDON NWl OTU, England 

 a Immunological aspects of foetal-maternal relationships exemplified by hybrid gestation. Capra 



hircus X Ovis aries (Artiodactyla) (with J. L. HANCOCK) 

 MACHA, J.; RNDr. - Dept. of Exp. Zool., Charles Univ., Vinicna 7, 12844 PRAHA 2, Czechoslovakia 

 a Proteins and antigens in early development. (Amphibia) (with A. ROMANOVSK'^ and 



J. PALECEK) 

 McKENZlE, J.; M.D. - Dept. of Developm. Biol., Marischal Coll., Univ. of Aberdeen, ABERDEEN 



AB9 IAS, Scotland, U.K. 

 a The metabolic characteristics of different tissues in the early embryo. Gallus gallus (Aves) 

 b The effects of exogenous RNA on tlie early embryo and cell cultures. Same species as a 

 c Myoblast/fibroblast relationships in monolayer cultures. Same species as a 

 d The state of cell differentiation in early embryos. Same species as a 

 e Growth and differentiation in vitro of heart muscle. Same species as a 

 McLAREN, Miss A.; Ph.D. - MRC Mammalian Devi. Unit., Univ. Coll. London, Wolfson House, 4 



Stephenson Way, LONDON NWl 2HE, England 

 a Influence of genotype and early embryonic environment upon development, investigated by in 



vitro cultivation of early embryos. Mus musculus (Rodentia) 

 b Blastocyst-uterinc interactions during the early stages of implantation, and during physiological 



and experimental delay of implantation. Same species as a 

 c Sexual differentiation and origin of coat colour patterns in experimental chimaeras formed from 



aggregation of embryos of different genotype. Same species as a 

 d Growth and differentiation of trophoblast in vivo and in vitro. Same species as a 

 McLEAN, J. M.; M.D. - Anat. Dept., The University, MANCHESTER Ml 3 9PL, England 

 a Development of immunological mechanisms in the foetus. (Mammalia) 

 b Immunology of the maternal-foetal relationship. (Mammalia) 



MacLEAN, N.; Ph.D. - Dept. of Biol., Univ. of Southampton, SOUTHAMPTON S09 5NH, England 

 a Developmental changes in haemoglobin, and the control of its synthesis. Xenopus laevis (Anura), 



Mus musculus, Rattus spec. (Rodentia), Gallus domesticus (Aves) 

 MACMILLAN, E. W.;Dr. ^ Dept. of Anat., Univ. of Liverpool, P.O. Box 147, LIVERPOOL L69 3BX, 



England 

 a The rate of transport of spermatozoa through the ductus epididymidis. Rattus spec. (Rodentia) 

 MADEN, M.; B.Sc - Dept. of Genet., Univ. of Birmingham, P.O.Box 363, BIRMINGHAM B15 2TT, 



England 

 a Limb regeneration. Ambystoma mexicanum (Urodela) 

 MADJEREK, Z. S.; Dr., Prof. - Anat.-Embryol. Inst., Univ. of Amsterdam, Mauritskade 61, 



AMSTERDAM-O., Netherlands 

 a Experimental studies on genito-urinary tract development. Mus spec. (Rodentia) 

 b Influence of fctotoxic and teratogenic agents on decidual reaction. Rattus spec. (Rodentia) 

 MAEHR, R.; M.Sc. - Inst, of Cell Biol., Swiss Fed. Inst, of Technol., Honggerberg, 8049 ZURICH, 



Switzerland 

 a Characterization of chromatin. Chironomus spec. (Diptera), Rattus spec. (Rodentia) 

 MAISONHAUTE, C. Lab. de Zool., Univ. de Paris XI, Centre d'Orsay, 91405 ORSAY, France 

 a Cell cycle; RNA metabolism; effect of a-amanitin in early embryogenesis (cleavage till early 



gastrula). Leptinotarsa decemlincata (Coleoptera) 

 MAJORCA (MONTIXEONI), Mrs. A.; Dr.Sci. - Zool. Inst., Univ. of Palermo, Via Archirafi 18, 



901 23 PALERMO, Italy 

 a Cytology of hybrids. (Ascidiacea; Amphibia) 

 MAKINEN (LONNBIRG), Mrs. P. -I..; M.S. - Dept. of Forensic Med., Univ. of Turku, Kiinamyllvn- 



katu 10, 20520 TURKU 52, Finland 

 a Biochemical characterization of enzymes appearing in early wound healinc. Rattus spec, Cavia 



spec (Rodentia) (with J. RAIKALLIO) 

 b Enzyme histochemistry of skin transplants (allografts and homografts). Same species as a (with 



J. RAEKALLIO) 

 c Biochemistry of vascular response in experimental wound healing. Same species as a (with 



J. RAI KALLIO) 



66 



