LAZARD (HAUBEN), Mrs. L. Lie. es Sci. — Lab. d'Embryol. exper. du 

 Coll. de France, 1 1 Place Marcelin Berthelot, PARIS Ve, France 

 — Lab. d'Embryol. et Teratol. exper. du C.N.R.S., 49bis Avenue de la 

 Belle Gabrielle, NOGENT sur Marne (Seine), France 

 a. Limb regeneration. Ambystoma punctatum (Urodela) 



LAZZARINI-ROBERTSON, A. Jr. M.D., Ph.D. — Dept. of Pathol., New 

 York Univ. School of Med., 550 First Ave., NEW YORK 16, N.Y., 

 U.S.A. 



LEATHEM, J. H. Ph.D. — Rutgers Univ., NEW BRUNSWICK, N.J., 

 U.S.A. 

 a. Nutritional influences on fetal development, and biochemical changes 

 associated with them. (Rodentia) 



LEBLOND, C. P. M.D., Ph.D., Prof. — Dept. of Anat., McGill Univ., 

 MONTREAL, Quebec, Canada 



a. Development of the thyroid gland. (Vertebrata) 



b. The development of bones and teeth as shown on radioautographs with 

 the help of radio-carbon-containing substances. (Vertebrata) 



LEFFORD, Miss F. M.B., B.S. — Dept. of Anat. and Embryol., Univ. Coll. 

 of London, Gower St., LONDON W.C. 1, England 

 a. Studies on cell locomotory behaviour, in tissue culture. Gallus domesticus 

 (Aves), Cavia spec. (Rodentia) 



LEGAULT, R. O. — Dept. of Biol., Univ. of Ottawa, OTTAWA, Ontario, 

 Canada 

 a. Early embryology from fertilization through gastrulation. Osmerus mor- 

 dax, Brachydanio rerio, Percina caprodes (Teleostei) (in collaboration 

 with A. H. STOCKARD, Ann Arbor) 



LEGAY, J. M. Dr. es Sci. — Lab. de Zool. exper., Fac. des Sci., 16 Quai 

 Claude Bernard, LYON, France 

 a. Modifications de l'heritabilite en fonction du developpement ou des con- 

 ditions de ce dernier. Drosophila melanog aster (Diptera), Bombyx mori 

 ( Lepidoptera) 



LEGENDRE, R. Dr.rer.nat., Dr. es Sci., Prof. — Lab. de Zool. et de Biol, 

 gener., Fac. de Sci., Univ. de Madagascar, TANANARIVE, Madagas- 

 car 

 a. Developpement embryonnaire et post-embryonnaire. Archaea spec. (Ara- 

 neidae) 



LEGHISSA, S. Ph.D., M.I.I.E., Prof. — 1st. di Anat. comp., Via Belmeloro 

 8, BOLOGNA (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. Histogenesis of the liver. Gallus spec. (Aves) 



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

 h. Thymus and metamorphosis. (Anura) 



i. Development and organisation of telencephalon. (Aves) 

 LEGNAME, A. H. — Inst, de Biol. Gener. y Embriol. Exper., Casilla de Cor 

 reos 193, TUCUMAN, Argentina 



a. Oxidative reserve in early development. Bufo arenarum (Anura) 



b. Catalase in early development. Bufo arenarum (Anura) 



81 



