LAUG£, Ms. G.; D.Sc. - Lab. d'Entomol. et d'Ecophysiol. Exp., Univ. de Paris XI (Paris-Sud), Bat. 

 446, 9 r405'ORSAY, France ^ , , 



LAURILA, P. - Dept. of Pathol., Univ. of Helsinki, Haartmaninkatu 3, 00290 HELSINKI 29, Finland 



a Cytos'keleton in normal and malignant cells and in differentiated cells, (with S. STENMAN and 

 I. VIRTANEN) ^ „ . 



LAUTHIER M.; Dr.3e cycle - Lab. d'Embryol. Exp., Centre de Rech. du CNRS, 67 rue Maurice 

 Gunsbourg,'94200 IVRY-sur-SEINE, France 



a Organogenese des membres, morpho^enese normale, anomalies spontanees (histochimie, micro- 

 chirurgie cytologic ultrastructurale, teratogenese experimentale). Pleurodeles waltl (Urodela) 



LAWRENCE, A. J.; Ph.D. - Dept. of CeU Biol., Univ. of Glasgow, GLASGOW Gl 2 8QQ, Scotland, UK 



a Control and temperature dependence of phospholipase activity in cell membranes; role of lipid 

 degradation in membrane fusion; lipid segregation in membranes. Oryctolagus cuniculus (Lago- 

 morpha) 



b Covalent activation of phospholipases 



LAWRENCE, P. A.; Ph.D. - M.R.C. Lab. of Molec. Biol., Hills Rd., CAMBRIDGE CB2 2QH, England 



a Compartments in insect development. Drosophila melanogaster (Diptera) 



b Developmental genetics of homoeotic mutants. Same species as a 



LAWSON, Ms. K. A.; Ph.D. - Hubrecht Lab. (Intern. Embryol. Inst.), Uppsalalaan 8, 3584 CT 

 UTRECHT, Netherlands 



a Tissue interaction during growth, morphogenesis and differentiation of lung and salivary gland m 

 vitro. Mus musculus, Rattus norvegicus (Rodentia) 



LAZARD (HAUBEN), Ms. L.; D.Sc. - Inst. d'Embryol. du C.N.R.S. et du CoU. de France, 49bis av. 

 de la BeUe GabrieUe, NOGENT-sur-MARNE, France 



a Role of steroids and gonadotropins at different stages of spermatogenesis. Mus musculus (Roden- 

 tia) 



LEAKEY, J. E. A.; Ph.D. - Dept. of Biochem., Univ. of Dundee, DUNDEE DDl 4HN, Scotland, UK 



a Changes in endocrinological factors and detoxicating enzymes during the perinatal period; endo- 

 crinological, xenobiotic and dietary factors affecting bilirubin conjugation and mixed function 

 oxidase activity in the neonate. Gallus domesticus (Aves), Rattus norvegicus and other spp. 

 (Rodentia), Oryctolagus cuniculus (Lagomorpha), (Primates) 



b Steroid hormone and drug interactions with hepatic chromatin in the perinatal period. Same 

 species as a „ , 



LE DOUARIN (CHAUVAC), Ms. N. M.; D.Sc, Prof. - Inst. d'Embryol. du C.N.R.S. et du CoU. de 

 France, 49bis av. de la BeUe GabrieUe, 94130 NOGENT-sur-MARNE, France 



a Migration and differentiation of neural crest ceUs (interspecific grafts). Gallus gaUus, Coturnix c. 

 japonica (Aves) 



b Differentiation of the autonomic nervous system studied in chimeric embryos. Same species as a 



c Development of primary lymphoid organs. Same species as a 



d Migration and homing of lymphoid stem ceUs studied in embryos by interspecific chimeras. Same 

 species as a 



e Experiments on liver development. Same species as a 



LEENDERS, H. J.; Dr. - Dept. of Genet., Cathol. Univ., Toernooiveld, 6525 ED NIJMEGEN, Nether- 

 lands 



a The mechanism of gene activation by factors involved in respiratory metabohsm; expenmental 

 puff induction. Drosophila hydei (Diptera) 



LEES, A. D.; Sc.D., Prof. - Dept. of Zool. and Appl. Entomol., Imperial CoU., Field Station, Sihvood 

 Park, ASCOT, Berks. SL5 7DE, England 



a Control of polymorphic development with special reference to environmental factors and hor- 

 mones. Megoura viciae (Aphididae, Homoptera) 



LEEUWEN, F. W. van; Drs. - Netheri. Inst, for Brain Res., IJdijk 28, 1095 KJ AMSTERDAM, Nether- 

 lands 



a Interaction with hormones during maturation and adaptation of the nervous system (immuno- 

 electron microscopy). Rattus norvegicus (Rodentia), Homo sapiens (Primates) 



LEFFORD (FERNANDO), Ms. F.; Ph.D. - Dept. of Anat. and Embryol., Univ. CoU. London, Gower 

 St., LONDON WCIE 6BT, England 



a Migratory behaviour of cells in vitro 



LEFRESNE, J.; M.Sc. - Lab. d'Embryol., U.E.R. de Sci., Univ. de Caen, 14032 CAEN, France 



a £tude experimentale de la segm'entation. Amby stoma mexicanum (Urodela) 



LE GARFF, B.; Dr. 3e cycle - Lab. de Biol. Anim. ler Cycle, Univ. de Rennes, Av. du Gen. Leclerc, 

 35031 RENNES Cedex, France 



a Development of malpighian system during larval life and metamorphosis: normal development; 

 nutritional factor; transplantation; culture in vitro. Galleria meUoneUa (Lepidoptera) 



b Comparative research of the development of malpighian system. Tineidae and other famiUes 



(Lepidoptera) 

 LEGAY, J. M.; D.Sc, Prof. - Dept. de Biol. Gen. et Appl., Univ. de Lyon I, 43 Bd. du 11 Novembre 



1918, 69621 VILLEURBANNE, France 

 a Morphogenesis. Bombyx mori (Lepidoptera) 



b Developmental morphology. Viscum album (Loranthaceae) 



LEGENDRE, R.; Dr.rer.nat., D.Sc, Prof. - Lab. de Zool. II (Morphol. et Ecol.), Univ. des Sci. et 



Techn. du Languedoc, place E. BataiUon, 34060 MONTPELLIER, France 

 LEGHISSA, S.; Ph.D., Prof. - 1st. di Anat. Comp., Univ. di Bologna, Via Belmeloro 8, 40126 



BOLOGNA, Italy 

 LEGRAND, C; D.Sc. - Lab. de Biol, de la Reprod., Univ. Paris VI (P. et M. Curie), Bat. A, 7eme 

 etage, 7 quai Saint-Bernard, 75230 PARIS Cedex 05, France 



67 



