b Experimental morphology of interaction between adenohypophysis and gonads in ontogenesis. 



Same species as a 

 KUTHE, H. W.; Dr.rer.nat. - Zool. Inst, der Univ., Weyertal 119, 5 KOLN 41, B.R.D. (Germany) 

 a Makromoleculare Syntheseprozesse wahrend Determination und Differenzierung im Embryo. 



(Holometabola, Insecta) 

 KUZIN, B.: Cand.Biol.Sci. - Inst, of Cytol. and Genet., Acad, of Sci. of the USSR., NOVOSIBIRSK 



630090, U.S.S.R. 

 KVINNSLAND, S.; Dr.odont. - Anat. Inst., Univ. of Bergen, Arstadvei 19, 5000 BERGEN, Norway 

 a Growth of craniofacial cartilages in vivo and in vitro (3H-thymidine incorporation). Rattus spec. 



(Rodentia) 

 b Growth of autotransplanted nasal septum (3H-thymidine incorporation). Same species as a 

 LAANE, H. M. - Anat.-Embryol. Inst., Univ. of Amsterdam, Mauritskade 61, AMSTERDAM-0., 



Netherlands 

 a Light microscopy, electron microscopy, histochemistry, physiology, and experimental terato- 

 genesis of heart development in the embryo. Gallus domesticus (Aves), Mus musculus (Rodentia) 

 (with J. A. ROEST and J. A. LOS) 

 LAAT, S. W. de; Ph.D. - Hubrecht Lab. (Intern. Embryol. Inst.), Uppsalalaan 8, "De Uithof " . 



UTRECHT, Netherlands 

 a Regulation of the cell cycle and its significance for development and differentiation: the role of 

 changes in membrane properties and structure, ion- and cyclic nucleotide metabolism. Physarum 

 polycephalum (Eumycetozoina), Xenopus laevis (Anura), neuroblastoma cells, Mus musculus 

 (Rodentia) (with J. G. BLUEMINK, P. T. van der SAAG, Th. F. J. de GREEFF (Univ. of 

 Nijmegen), and B. A. M. van der ZEIJST (State Univ. of Utrecht) 

 b Electrical membrane properties, membrane structure, ion- and cyclic nucleotide metabolism 



during fertilization. Xenopus laevis (Anura) (with J. G. BLUEMINK and P. T. van der SAAG) 

 LABORDUS, v.; Ph.D. - Zool. Lab., State Univ. of Utrecht, Transitorium III, Padualaan 8, 



UTRECHT, Netherlands 

 a Effect of total and partial UV-irradiation on cleavage and morphogenesis. Lymnaea stagnalis, 



Bitliynia tentaculata, Crepidula fornicata (Gastropoda) 

 b Repair processes in eggs after UV-irradiation. Lymnaea stagnalis (Gastropoda) 

 LABOUR, G. R. - Lab. de Zool., Univ. de Paris XI, Centre d'Orsay, 91405 ORSAY, France 

 a Cytology of fat body development, with special reference to cell ultrastructure and cyto- 

 chemistry. Leptinotarsa decemlineata (Coleoptera) 

 LABROUSSE, J. P.; Dr.3e cycle - Lab. d'EmbryoL, Univ. Paris VI, 4 place Jussieu, 75320 PARIS 



Cedex 05, France 

 a Gene amplification in oocytes. Pleurodeles waltlii (Urodela) 

 LACROIX, J. C; Prof. - Lab. de Genet, du Devi., Univ. P. et M. Curie, Centre de Rech. dTvry, 67 rue 



M. Giinsbourg, 94200 IVRY-sur-SEINE, France 

 a Organization and physiology of lampbrush chromosomes; involvement of lampbrush chromo- 

 somal RNA in oogenesis and embryogenesis. Pleurodeles poireti, P. waltlii (Urodela) 

 LAFONT, R. D. A.; M.S. - Lab. de Zool., Ecole Norm. Superieure, 46 rue d'Ulm, 75230 PARIS 



Cedex 05, France 

 a Differentiation of imaginal wing discs: nucleic acids and pteridine metabolism, changes in enzyme 



titers. Pieris brassicae (Lepidoptera) 

 b Action of 5-nuorouracil (5-FU), hormones and other chemical agents on the development of 



imaginal discs. Same species as a 

 LAGUCHEV, S. S.j Dr.med.sci. - Inst, of Med. Genet., Acad, of Med. Sci. of the USSR, MOSCOW, 



U.S.S.R. 

 LAKSHMI, Miss M. S.; Ph.D. - Dept. of Biochcm. Pathol., Univ. Coll. Hosp. Med. School, University 



St., LONDON WCIE 6JJ, England 

 a Morphogenetic effects of follicle-stimulating hormone. Gallus domesticus (Aves) (with G. V. 



SHERBET) 

 b Biochemical and biophysical characterization of the cell surface using natural pH gradients, (with 



G. V. SHERBET) 

 LALLIER, R. A.; D.Sc. ~ Station Zool., Univ. de Paris VI, 06230 VILLEFRANCHE SUR MER, 



France 

 a Biochemical aspects of embryonic determination (studies of animalizing and vcgetalizing agents). 



Paracentrotus lividus (Echinoidea) 

 LANDAUI-:R, \V.; Ph.D., Prof. - Dept. of Human Genet, and Biometry, Univ. Coll. London, Wolfson 



House, 4 Stephenson Way, LONDON NWl 2HE, England 

 a A causal analysis of teratogenic action of various chemical compounds. Gallus domesticus (Aves) 

 b The nature and significance of phenocopies. Same species as a 



c The nature of dimethylsulfoxide as solvent in tests witli teratogens. Same species as a 

 d Role of molecular shape in teratogenesis, studied witii substituted pyridines. Same species as a 

 LANDSTROM, U. - Dept. of Zoophysiol., Univ. of Umea, S 901 87 UMEA, Sweden 

 a The physiology of dorso-ventral polarity. Xenopus laevis (Anura) (with S. L^VTRUP) 

 LANOT, R.; Dr.Scn. - Lab. de Zool., Univ. de Nancy I, CO. 140, 54037 NANCY Cedex, France 

 a Axial malformations: causal analysis of the teratogenic action of trypan blue and RNAse. Gallus 



gallus (Aves) 

 b Causal analysis of soinitogenesis. Same species as a 

 c Morphology of normal and experimentally produced cell degeneration in the axial organs. Same 



species as a 

 LANSDOWN, A. B. G.; Ph.D. Clin. Res. Ctr., Northwick Park Hosp., Watford Rd., HARROW 

 HAl 3UJ, Middlesex, England 



60 



