b Ecdysone and juvenile hormone levels during development. Same species as a 



c In vitro ecdysone binding and action. Same species as a 



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



St., LONDON WCIE 6JJ, England 

 a Morphogenetic effects of follicle-stimulating hormone. Callus domesticus (Aves) (with 



G. V. SHERBET) 

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



C. V. SHERBET) 

 c Epigenetic mechanisms and paraneoplastic phenomena, (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 vegetalizing agents). 



Paracentrotus lividus (Echinoidea) 

 LAMERS, W. H. - Anat.-Embryol. Inst., Univ. of Amsterdam, Mauritskade 61, AMSTERDAM-0., 



Netherlands 

 a Developmental changes in activity of liver carbamylphosphate syntase. Ambystoma mexicanum 



(Urodela) 

 LANDAUER, W.; Ph.D., Prof. - Dept. of Human Cenet. 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. Callus domesticus (Aves) 

 b Cholinomimetic substances and other compounds interfering with neuromuscular development. 



Same species as a 

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

 a Cell transformation and cell differentiation. Xenopus laevis (Anura), Ambystoma mexicanum 



(Urodela) (with S. and H. L0VTRUP) 

 LANG, A.; M.Sc. - Inst, of Cell Biol., Swiss Fed. Inst, of Technol., Honggerberg, 8093 ZURICH, 



Switzerland 

 a In vitro myogenesis. Drosophila spec. (Diptera) 



LANOT, R.; Dr.Sc. - 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 somitogenesis. Same species as a 

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



species as a 

 d Causal analysis of early angiogenesis. Same species as a 

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



3UJ, Middlesex, England 

 a Effect of viral infections on foetal and neonatal development. Rattus spec, Mus musculus 



(Rodentia) 

 b Effect of pancreatitis on pregnancy 



c Effect of prenatal growth retardation on postnatal development 

 d Effect of exposure to anaesthetics (halothane, nitrous oxide) on pregnancy. Rattus spec. Homo 



sapiens and other spp. (Mammalia) 

 LARDE, Ms. P.; Dr.med. - Lab. d'Embryol., Univ. de Nancy I, B.P.1080, 54019 NANCY Cedex, 



France 

 a Development of inferior vena cava. Homo sapiens (Primates) 

 LARINK, O.; Dr. - Zool. Inst, der Techn. Univ., Pockelstr. 10a, 3300 BRAUNSCHWEIG, B.R.D. 



(Germany) 

 a Descriptive study of postembryonic development, especially moulting, ultrastructural changes of 



sensilla. Lepismatidae, Machilidae (Thysanura, Insecta) 

 LA SPINA (D'ANNA), Ms. R.; D.Sci. - 1st. di Zool., Univ. di Palermo, Via Archirafi 18, 90123 



PALERMO, Italy 

 a Fine structure of unfertilized eggs and egg fragments. 'Ascidia malaca, Phallusia mamillata 



(Ascidiacea) 

 b Analysis of colour pattern; ultrastructure of chromatophores. Discoglossus pictus (Anura) 

 LASSAK, H. F.; Dipl.Biol. - Inst, fur Allgem. Biol, der Univ., Universitatsstr. 1, 4000 DUSSELDORF, 



B.R.D. (Germany) 

 a Isolation and characterization of messenger RNA, messenger ribonucleoproteins and polyribo- 

 somes. Drosophila hydei (Diptera), Locusta migratoria (Orthoptera) 

 LASStGUES (FLAMAND), Ms. M.; Dr.Biol.anim. - Lab. de Zool. Exp., Univ. de Bordeaux I, Av. des 



Facultes, 33405 TALENCE, France 

 a Embryology. Sphaeroma spec. (Isopoda, Crustacea) (with N. DAGUERRE de HUREAUX) 

 b Cytophotometry of cell cycle during the first embryonic stages. Same species as a 

 LATTAUD, C. - Lab. Sex. et Reprod. des Invertebr., Univ. Paris VI (P. et M. Curie), Bat.A, 7e etage, 



4 place Jussieu, 75230 PARIS Cedex 05, France 

 a Control of sex differentiation and gametogenesis (organ culture). Eisenia foetida (Oligochaeta) 

 b Effects of inhibition of protein synthesis by cycloheximide in sexually active animals. Same 



species as a 

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



Bat.446, 91405 ORSAY, France 

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



Gunsbourg, 94200 IVRY-sur-SEINE, France 



61 



