Leg-Lin 



LEGRAND, J.-J. Dr. es Sci., Prof. — Lab. de Zool. et Biol, anim., Fac. des 

 Sci., POITIERS, Vienne, France 



a. Determination et differentiation du sexe, castrations, greffes, correlations 

 humorales. Etude genetique de la monogenic (Oniscoidea, Isopoda, 

 Crustacea) 



b. Developpement des coaptations. (Oniscoidea, Isopoda; Decapoda, Crus- 

 tacea), (Insecta) 



c. Etude de la croissance. (Oniscoidea, Isopoda, Crustacea) 



d. Modalites de la reproduction. Platyarthrus schoblii (Oniscoidea, Isopoda, 

 Crustacea) 



e. Analyse biometrique des populations de deux especes soeurs dans le nord 

 et le midi de la France. Philoscia muscorum, P. affinis (Oniscoidea, Iso- 

 poda, Crustacea) 



LEHMAN, H. E. M.A., Ph.D., M.I.I.E. — Dept. of Zool., Univ. of North 

 Carolina, CHAPEL HILL, N.C., U.S.A. 



a. Pigment pattern formation, cell migration and tissue affinities in the 

 neural crest. Triturus spec, Amby stoma spec. (Urodela) (in collabora- 

 tion with Mrs. L. M. Y. LEHMAN) 



b. Hybridization and nucleocytoplasmic relations. (Echinoidea; Amphibia) 

 (in collaboration with Mrs. L. M. Y. LEHMAN) 



LEHMAN, Mrs. L. M. YOUNGS M.A., Ph.D. — Dept. of Zool., Univ. of 

 North Carolina, CHAPEL HILL, N.C., U.S.A. 



a. Pigment pattern formation, cell migration and tissue affinities in neural 

 crest. Triturus spec, Amby stoma spec. (Amphibia) (in collaboration with 

 H. E. LEHMAN) 



b. Hybridization and nucleocytoplasmic relations. (Echinoidea; Amphibia) 

 (in collaboration with H. E. LEHMAN) 



LEHMANN, F. E. Dr.Phil., F.I.I.E., Prof. — Zool. Inst, der Univ. Bern, 



Sahlistr. 8, BERN, Schweiz 

 LEIKOLA, A. H. A. Phil.lic — Dept. of Physiol. Zool., Univ. of Helsinki, 



Arkadiankatu 7, HELSINKI, Finland 

 a. The competence of gastrula ectoderm. Triturus vulgaris (Urodela) 

 LEME2, L. MUDr. — Dept. of Anat., Charles Univ., U nemocnice 3, 



PRAHA 2, Czechoslovakia 



a. Embryonal haematology. Gallus domesticus (Aves) 



b. Experimental morphology of the pneumogastric system. Gallus domes- 

 ticus (Aves) 



LENDER, Th. M.I.I.E., Prof. — Lab. de Biol. Anim., S.P.C.N., Fac. des Sci. 

 de Paris, Centre d'Orsay, ORSAY (S.SO.), France 



a. Problemes de la regeneration: substances inductrices et inhibitrices. 

 (Planariidae, Turbellaria) 



b. Neurosecretion. (Planariidae, Turbellaria) 



c Regeneration. Gibbosa asterina (Asteroidea, Echinodermata) 

 LENNEP, E. W. van M.Sc — Dept. of Histol. and Embryol., Univ. of Syd- 

 ney, SYDNEY, N.S.W., Australia 



a. Development of cell types in adenohypophysis. (Marsupialia) , Ovis aries 

 (Artiodactyla) 



b. Placentation. Camelus dromedarius (Artiodactyla) 



LEONE. V. M.D., M.I.I.E. — 1st. di Zool. e Anat. Comp., Univ. di Milano. 

 Via Celoria 10, MILANO, Italia 



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