LEST AGE, J.; Dr.biol.anim. - Lab. de Biol. Anim. A, Univ. de Bordeaux I, av. des Facultes, 33405 



TALENCE Cedex, France , ^ . . u 



a fetude experimentale de Tintluence des facteurs nutritionnels sur la morphogenese du tube 



dieestif et du pancreas, Rana dalmatina, Bufo bufo, Discoglossus pictus, Xenopus laevis (Anura). 



Tfiturus helveticus, Salamandra salamandra (Urodela) , , ■ 



b Modifications des patterns enzymatiques au cours de la differenciation des cellules intestinales. 



Bufo bufo, Xenopus laevis (Anura) , x , -, 



LEVAK (SVAJGER), Ms. B.; D.Sc. - Inst, of Biol., Fac. of Med., Univ. ot Zagreb, Salata 3, 



P.O.Box 166,41001 ZAGREB, Yugoslavia 

 a Early differentiation; transplantation, in vitro culture. Rattus norvegicus (Rodentia) (with N. 



SKREBand A. SVAJGERdnst. ofHistoLandEmbryol.)) ,^^„.^^,,. . , 



LEVIS, A. G.; Prof. - 1st. di Biol. Anim., Univ. di Padova, Via Loredan 10, 35100 PADOVA, Italy 



no embryological work in progress 

 LEWIS, J. H.; D.PhiL - Dept. of Biol, as Appl. to Med., Middlesex Hosp. Med. Sch., LONDON WIP 



6DB, England 

 a Limb development, especially innervation. Gallus domesticus (Aves) 



b Mathematical problems in pattern formation oaoq vfiDtr^u 



LEZZI, M.O^r.sci.nat. - Inst, of CeU Biol., Swiss Fed. Inst, of Techno!., Honggerberg, 8093 ZURICH, 



Switzerland 

 a Effect of hormones and ions on gene function. Chironomidae (Diptera) 

 LHEUREUX, E. - Serv. de Biol. Anim., Univ. des Sci. et Techn. de Lille, B.P. 36, 59650 



VILLENEUVE D'ASCQ, France 

 a The fate of different tissues in regenerated hmb. Pleurodeles waltl (Urodela) 

 LIERSE, W.; Dr.med., Prof. - Abt. Neuroanat., Anat. Inst, der Univ., Martinistrasse 52, 2 



HAMBURG 20, B.R.D. (Germany) 

 a Ultrastructure and histochemistry of brain and retina development. Cavia porcellus, Rattus spec. 



(Rodentia) 

 b The biological aspect of neuroblast and glioblast following x-irradiation and hyperbaric 



oxygenation. Same species as a 

 c The development of vascularization of the brain. Cavia porcellus, Rattus spec. (Rodentia), Cams 



familiaris (Carnivora), Homo sapiens (Primates) 

 d Teratology of retina and brain. Rattus spec. (Rodentia) 

 LIMBORGH, J. van; M.D., Prof. - Anat.-Embryol. Inst., Univ. of Amsterdam, Mauritskade 61, 



AMSTERDAM-0., Netherlands 

 a Sex differentiation. Anas boschas (Aves) 

 b Morphogenesis of the skull. Gallus domesticus (Aves) 



c Development of the harelip condition (descriptive studies). Homo sapiens (Primates) 

 LINDE, L. A.; Dr.Odont. - Dept. of Histol., Lab. of Oral Biol., Univ. of Goteborg, Fack, 400 33 



GOTEBORG 33, Sweden 

 a Tooth calcification studied by microdissection and microchemistry: 1. Glycosaminoglycans, 



proteins and glycoproteins in the odontoblast-predentine layer; 2. Odontoblastic enzymes in 



proteoglycan degradation and phosphate release. Rattus spec. (Rodentia), Oryctolagus cuniculus 



(Lagomorpha) 

 LINDENMAYER, A.; Pli.D., Prof. - Theor. Biol. Group, State Univ. of Utrecht, Padualaan 8, 



UTRECHT, Netherlands 

 a Morphogenetic processes giving rise to phyllotactic patterns of the shoot apex. (Pteridophyta; 



Spermatophyta) 

 b Developmental algorithms for cell lineage and cellular interactions considered from the point ot 



view of automata and language theory 

 c Mathematical models for vegetative and flowering development in complex inflorescences. 



(Compositae) 

 d Computer simulation of distribution of cell cycle phases in growing roots. (Gramineae) 

 e Graph-generating systems as models of multidimensional development, particularly ot hexagonal- 



ly packed cellular sheets: wing (Drosophila spec, Diptera); retina (Gallus gallus, Aves) 

 LINDSAY, Ms. F. E. F.; M.R.C.V.S. - Anat. Dept., Vet. Sch., Univ. of Glasgow, Bearsden Rd., 



GLASGOW G6 1 IQH, Scotland, U.K. 

 LINSKENS, H. F.; Dr., Prof. - Dept. of Bot., Sect. Molec. Developm. Biol., Cathol. Univ., Toernooi- 



veld, NIJMEGEN, Netherlands 

 a Physiological and biochemical mechanism of the fertilization barrier during pollen tube growth, 



pollen germination, and in the ovule. Petunia spec. (Solanaceae), Lilium spec. (Liliaceae) 

 b Induction of meiotic division. Ulva spec. (Chlorophyceae), Lilium spec. (Liliaceae) 

 c Dormancy. Agrostemma githago (Caryophyllaceae) 

 LIOSNER, L. D.; Dr.biol., Prof. - Inst, of Human Morphol., Acad, of Med. Sci. of the USSR, Tsurupa 



St. 3, MOSCOW 117469, U.S.S.R. 

 a Mechanisms controlling the restoration of inner organs. Rattus norvegicus, Mus musculus 



(Rodentia) 

 LISSIA (FRAU), Ms. A. M.; Dr. - 1st. di Zool., Univ. di Sassari, Via Murroni 25, 07100 SASSARI, 



Italy 

 LITVAC, B.; t M.D. - Dept. of Med. Biol., Med. School, TIMI^OARA, Rumania 

 LIWSKA, Ms. J.; Dr.Biol. - Dept. of Histol. and Embryol., Warsaw Agric. Univ., ul.Nowoursynowska 



166, 02-766 WARSZAWA, Poland 

 a Ultrastructure of hypophysis development in the embryo. Sus scrofa domesticus (Artiodactyla) 

 LOFBERG, J. E.; Ph.D. - Inst, of Zool., Uppsala Univ., Box 561, 751 22 UPPSALA, Sweden 



64 



