LENUON, R. G.; Ph.D. - Dept. of Anat., The Univ., Stopford Bldg., Oxford Rd., MANCHESTER 



M 1 3 9PT, England 

 a Embryogenesis of trypan blue induced spina bifida, exencephalus and facial abnormaUties. Rattus 



norvegicus (Rodentia) 

 b Effect of vitamin deficiency on the incidence of congenital malformations. Same species as a 

 LENICQUE P. M.: Dr.Sc. - Lab. de Biol, des Invert. Marins et Malacol., Museum Natl. d'Hist. Nat., 



57 rue Cuvier, 75005 PARIS, France 

 a Mechanism of cell transformation and migration during regeneration. Dugesia tigrina (Turbel- 



laria), Metridium senile (Actinozoa) 

 b Effects of neuropharmaca on morphogenesis in the early embryo. Gallus domesticus (Aves) 

 c Effects of neuropharmaca on migration of blood cells. Homo sapiens (Primates) 

 LENZ, VV.; Dr.med., Prof. - Inst, flir Humangenetik, Westf. Wilhelms Univ., Vesaliusweg 12-14, 44 



MONSTER, B.R.D. (Germany) 

 LE PENNEC, M. L. M.; Dr.3e Cycle - Lab. de Zool., Univ. de Bretagne Occidentale, 6 av. le Gorgeu, 



29283 BREST Cedex, France 

 a Laboratory rearing of larvae and juveniles. Various spp. (Lamellibranchia) 

 b Morphogenesis of the hinge in larvae. Veneridae, Pectinidae, Mytilidae, Ostreidae, Anomiidae and 



others (Lamellibranchia) 

 LEPORI, N. G.; Prof. - 1st. di ZooL, Univ. di Sassari, Via Murroni 25, 07100 SASSARI, Italy 

 a Origin of the asymmetry of the female gonad (blastoderm in vitro). (Aves) 



b Origin of asymmetrical heart development (blastoderm in vitro). Gallus spec. Anas spec. (Aves) 

 c The inductor of the uro-genital organs. Gallus spec. (Aves), Rana spec, Triturus spec. (Amphibia) 

 LE ROUX, Mrs. S.; D.E.A. - Lab. de ZooL, Univ. de Bretagne Occidentale, 6 av. le Gorgeu, 29283 



BREST Cedex, France „ ., ^ ,. 



a Larval growth: 1. effect of feeding unicellular algae; 2. effect of hydrocarbons. Mytilus edulis, 



Pecten maximus (Lamellibranchia) 

 LESCHER-MOUTOUE, Miss F. -- Lab. souterrain. Centre Natl. Rech. Scient., 09410 MOULIS, France 

 a Reproduction, life cycle, and postembryonic development, especially of hypogeous species: 



Speocyclops spp.. Graeteriella spp., Diacyclops spp., Eucyclops spp., (Copepoda, Crustacea) 

 LESPINASSE, R.; Dr. 3e cycle - Lab. de Zool., Centre d'Orsay, Univ. de Paris XI, 91405 ORSAY 



France 

 a Cytology and genetics of the effects of supernumerary chromosomes. Locusta migratoria 



(Orthoptera) 

 LESTAGE, J.; Dr.Biol.Anim. - Lab. de Biol. Anim. A, Univ. Bordeaux I, Av. des Facultes, 33405 



TALENCE, France . ^ 



a Etude experimentale de I'influcnce des facteurs nutritionnels sur la morphogenese du tube 



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



Triturus helveticus, Salamandra salamandra (Urodela) 

 LEVAK (SVAJGER), Mrs. B.; D.Sc - Inst, of Biol., Fac of Med., Univ. of Zagreb, Salata 3, P.O. Box 



166, 41001 ZAGREB, Yugoslavia 

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



N. SKREB and A. SVAJGER, (Inst, of Histol. and Embryol.)) 

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



no embryological work in progress ^iio.^Ti 



LEZZI, M.; Ph.D. - Inst, of Cell Biol., Swiss Fed. Inst, of TechnoL, Honggerberg, 8049 ZURICH, 



Switzerland /n j *• \ 



a Effect of hormones and ions on gene function. Chironomidae (Diptera), Rattus spec (Rodentia) 

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



VILLENEUVE D'ASCQ, France 

 a The role of different tissues and their polarities in the regeneration of the hmbs. Pleurodeles 



waltlii (Urodela) -,,,»». mm/- 



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 ghoblast following x-irradiation and hyperbaric oxygena- 

 tion. Same species as a . • n r- • 

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



familiaris (Carnivora), Homo sapiens (Primates) • , , 



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 harehp condition (descriptive studies). Homo sapiens (Primates) 

 LINDE, L. A.; Dr.Odont. - Lab. of Oral BioL, Dept. of Histol., 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 



(Lagoniorpha) ,, j ■ 



LINDENMAYER, A.; Ph.D., Prof. - Theor. Biol. Group, Subfac. of Biol., Univ. of Utrecht, Heidel- 



berglaan 2, "De Uithof, UTRECHT, Netherlands 

 a The morphogenetic processes giving rise to phyllotactic patterns of the shoot apex. (Ptendophy- 



ta; Spermatophyta) 



63 



