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



(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) 

 LAPAN, E. A.; Ph.D. - Dept. of Zool. and €omp. Anat., Univ. Coll. London, Gower St., LONDON 



WC1E6BT, England 

 a Development and molecular biology. (Mesozoa) 

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



(Germany) 

 a Descriptive study of postembryonic development, especially moultmg, ultrastructural changes ol 



sensilla. Lepismatidae, Machilidae (Thysanura, Insecta) 

 LARSSON, K. S.; Odont. D., Prof. ^ Lab. of TeratoL, Karolinska Inst., S-104 01 STOCKHOLM 60, 



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



PALERMO, Italy ^, „ . 



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



(Ascidiacea) 

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

 LASSfeGUES (FLAMAND). Mrs. M.: Dr.Biol.anim. - Lab. dc ZooL Exper., Univ. de Bordeaux I, Av. 



des Facultes, 33405 TALENCE, France 

 a Embryologie. Sphaeroma spec (Isopoda, Crustacea) (avec N. DAGUERRE de HURLAUX) 

 b Etude descriptive et experimentale des cycles mitotiques pendant les premiers stades du develop- 



pement embryonnaire. Meme espece comme a 

 LATTAUD, C. - Lab. Sex. et Reprod. des Invertebr., Univ. P. et M. Curie, Bat. G, Tour 32, 4 place 



Jussieu, 75230 PARIS Cedex 05, France ^ • , 



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

 LAUGf., Miss G.: D.Sc Lab. d'Entomol. et d'Ecophysiol. Exp., Univ. de Paris XI (Pans-Sud), 



Bat'.446, 91405 ORSAY, France 

 a Differentiation of genital apparatus. (Diptera) 



b Modifications of gonad development by thermal stress. Drosophila melanogaster (Diptera) 

 c Abnormal proliferation of germinal cells in the gonads of triploid intersexes. Same species as b 

 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 (histochimie, microchirurgie, cytologic ultrastructurale, teratogenese 



experimentale). Pleurodeles waltlii (Urodela) ^ ^, j, 



LAVELLE, C. L. B.; Ph.D. - Dept. of Oral Pathol., Dental School, Univ. of Birmingham, St.Chad s 



Queensway, BIRMINGHAM B4 6NN, England 

 a Embryology of the skull and of dental cusp pattern. Rattus norvegicus (Rodentia), Homo sapiens 



(Primates) m/iAc 



LAVERDURE, Miss A.-M. - Lab. de Biol. Anim. A, Fac des Sci., Univ. Paris-Sud, Bat. 445, 914U5 



ORSAY, France 

 a Differenciation de la gonade femelle et vitellogenese. Tenebrio molitor (Coleoptera) 

 LAWRENCE, A. J.: Ph.D. - Dept. of Cell Biol., Univ. of Glasgow, GLASGOW Gil 6NU, Scotland, 



U.K. 

 a Surfacepropertiesof erythrocytes. (Mammalia) r^ A»,DDir.r^r 



LAWRENCE, P. A.; Ph.D. Lab. of Molec Biol., Med. Res. Counc, Hills Rd., CAMBRIDGE 



CB 2 2QH, England _ , ^ .^ di ^ • 



a Polarity, giadients, and positional information in the segment. Oncopeltus fasciatus, Rhodnius 



prolixus (Heteroptera) r ,. 



b Compartments in insect development. Drosophila melanogaster (Diptera), Oncopeltus lasciatus 



(Heteroptera) 

 c Developmental genetics of homoeotic mutants. Same species as b 

 LAWSON, Miss K. A.; Ph.D. - Hubrecht Lab. (Intern. EmbryoL Inst.), Uppsalalaan 8, "De Uithot , 



UTRECHT, Netherlands , , ■ •. i, ** 



a Morphogenetic and growth control of salivary gland, lung and metanephros in vitro. Kattus 



norvegicus, Mus musculus (Rodentia) , j r- m d c 



LAZARD (HAUBEN), Mrs. L.; Dr. Sci. ~ Inst. d'Embryol. Exper. du Coll. de France et riu C.N.K.i>., 



11 Place M.Berthelot, 75 PARIS Ve, France 

 a Limb regeneration after x-irradiation, and grafts of various tissues and organs. Ambystoma 



mexicanum (Urodela) 

 b Development of gonads grafted in a heterotopic site; intluence of sex, age, and castration ot tiie 



host. Same species as a . ., • - vi . oo 



LE DOUARIN (CHAUVAC), Mrs. N. M.; Dr. Sci., Prof. - Lab. d Embryo!., Umv. de Nantes, 38 



Bd.Michelet, B.P. 1044, 44037 NANTES Cedex, France 

 a Etude experimentale du developpement du tube digestif et du foie. Gallus gallus (Aves) 

 b Differenciation biochimique des hepatocytes. Meme espece comme a 

 c Experiments sur la differenciation de la glande thyroide et de la hypophyse. Meme espece comme 



d Experiments sur le developpement du thymus. Gallus gallus, Coturnix c japonica ( Aves) 



e La migration et la differenciation des cellules des cretes neurales (greffes mterspecifiques). Meme 



cspccc coniniG d 

 LEENDERS, H. J.; Dr. - Dept. of Genet., Univ. of Nijmegen, Toernooiveld, NIJMEGEN, Netherlands 



61 



