Lef-Lio 



LEFEBVRES (BOISSELOT) , Mrs. J. Dr. es Sci. — Lab. d'Embryol Fac 

 de Med., 45 Rue des Sts. Peres, PARIS Vie, France 



a. Teratogenese par carence en vitamines B. Mas rattus (Rodentia), Felix 

 catus (Carnivora) 



b. Recherches biochimiques sur la teratogenese. Mus rattus (Rodentia) 

 LEGHISSA, S. Ph.D., Prof. — 1st. di Anat. comp., Via Belmeloro 8 BO- 

 LOGNA (103), Italia 



a. Study of neurogenesis. 



b. Comparative neurology. 



c. Nucleic acids, metabolism and proteins during metamorphosis. (Anura) 



d. Histogenesis of tectum opticum. (Aves) 



e. Differentiation of nervous tissue and nucleic acids. 



f. Reticuloendothelial system in the embryo. Gallus spec. (Aves) 



g. Histogenesis of bone tissue. (Anura) 



h. Histogenesis of the liver Gallus spec. (Aves) 

 i. Cellular movements in neurulation. (Anura) 



k. Nervous activity in the embryonic nervous system. Gallus spec. (Aves) 

 LEGRAND, J.-J. Dr. es Sci., Prof. — Lab. de Zool., Fac. des Sci., POI- 

 TIERS, Vienne, France 

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

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



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



Sahlistr. 8, BERN, Schweiz 

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



PRAHA II, Czechoslovakia 



a. Embryonal haematology. Gallus domesticus (Aves) 



b. Experimental analysis of the development of blood corpuscles. Gallus 

 domesticus (Aves) 



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

 Paris, Centre d'Orsay, ORSAY (S.6 0.), France 

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

 (Planariidae, Turbellaria) 



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

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



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

 Via Celoria 10, MILANO, Italia 



LERMA, B. de Dr.Sci., Prof. — 1st. di Zool, Univ. di Bari, BARI, Italia 



LEROY, P. J. M. Dr. es Sci. — Lab. d'Histophysiol., Coll. de France, 4 Ave- 

 nue Gordon Bennett, PARIS 16e, France 



a. Developpement et physiologie des surrenales. Gallus spec, Anas spec. 

 (Aves) 



b. Hybridization vegetative. Gallus domesticus (Aves) 



LEUSSINK, J. A. M.Sc. — Hubrecht Lab., Intern. Embryol. Inst., Tanskerk- 

 hof 2, UTRECHT, Holland 

 a. Relations between size and differentiation of inductor and of induced 

 structures in neural induction. (Urodela) 



LEVAK, Miss B. M.Sc. — Inst, de Biol., Fac. de Med., Salata, ZAGREB, 



Yougoslavie 

 LEVER, J. Dr.Phil., Prof. — Zool. Inst., Free Calvinistic Univ., Rapenbur- 



gerstr. 128, AMSTERDAM C, Holland 



74 



