Landaucr-Lco 



b. A causal analysis of teratogenic action of insulin and other chemical 

 compounds on developing embryos. Gallus domesticus (Aves) 



c. Hereditary (lethal) cyclocephaly and cyclopia. Gallus domesticus (Aves) 



d. The nature and significance of phenocopies. Gallus domesticus (Aves) 



e. The genetic role of sporadic variations. Gallus domesticus (Aves) 

 LANGMAN. J. M.D., M.I. I.E. — Dept of Anat., McGill Univ., MON- 

 TREAL, Quebec, Canada 



a. Immuno-embryological research into lens development. Gallus domesticus 

 (Aves) 



b. Electrophoretic studies of yolk-sac proteins in relation to the protein 

 configuration of the mother animal. (Rodentia) 



LANZAVECCHIA, G. Dr Biol. Sci. — 1st. di Zool. c Anat. Comp., Univ. 

 di Milano, Via Celoria 10, MILANO, Italia 



a. Enzymes from eggs. (Aves) 



b. Electron microscopy of the first differentiation. (Amphibia, Aves) 

 LARAMBERGUE. M. de Dr es Sci., Prof. — Lab. de Zool, Fac. des Sci., 



POITIERS. Vienne, France 



a. Recherches sur le developpement embryonnaire de I'appareil genital 

 hermaphrodite. (Gastropoda) 



b. Differcnciation des gametes chez des formes hermaphrodites. (Gastro- 

 poda) 



c. Croissance et embryologie. Achatina spec. (Gastropoda) 

 LATIMER, H. B. Ph.D., Prof. (Emer.) — Dept of Anat., Med. School, 



Univ. of Kansas. LAWRENCE, Kansas. U.S.A. 



a. Study of two races, to determine the variation in relative weights of the 

 various organs and parts in a large and in a small form. Oryctolagus 

 cuniculus (Lagomorpha) 



b. Quantitative study of the parts of the postnatal heart. Oryctolagus 

 cuniculus (Lagomorpha) 



LATTA. J. S. Ph.D. — Dept of Anat., Coll. of Med., Univ. of Nebraska, 



42nd and Dewey Avenue, OMAHA 5, Nebraska, U.S.A. 

 LAVARACK. J. O. M.B., B.S., Ph.D. — Anat. Dept, Univ. of Melbourne. 



CARLTON N. 3. Victoria, Australia 

 a. Histochemical investigation of early neural, notochordal and related 



tissues. Gallus gallus (Aves) 

 LAVEN. H. Drrer.nat. — Max Planck-Inst. fiir Biol., Spemannstr. 34, 



TUBINGEN, Deutschland 



a. Fertilization. Culex pipiens (Diptera) 



b. Normal and parthenogenetic development. Culex pipiens (Diptera) 

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



MONTREAL, Quebec, Canada 



a. Development of the thyroid gland. (Vertehrata) 



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

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



LECAMP, M. — Lab. d'Evolution des Etres organises, Fac. des Sci. de Paris, 



105 Boulevard Raspail, PARIS Vie, France 

 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. Mus rattus (Rodentia) 



b. Developpement anormal de I'encephale par carence. Mus rattus (Ro- 

 dentia) 



64 



