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) 



c. Immuno-embryological research into brain development. Gallus domesti- 

 cus (Aves) 



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



di Milano. Via Celoria 10, MILANO. Italia 

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



POITIERS, Vienne, France 

 LA SPINA, Miss R. Ph.D. — 1st. di Zool., Via Archirafi 18, PALERMO, 



Italia 

 a. Cytochemical investigations on eggs. (Ascidiae, Utochordata) 

 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. 



LAUFER H. B.S., M.A., Ph.D. — Dept. of Biol., The Johns Hopkins Univ., 

 Charles and 34th Sts., BALTIMORE 5, Md., U.S.A. 



a. Immunochemical study of muscle protein development in the embryo and 

 in the adult limb regenerate. (Amphibia) 



b. Role of specific blood and tissue proteins in development and during 

 regeneration. Samia cecropia and other Saturniidae (Lepidoptera) 



c. The role of the nerve in limb regeneration. (Amphibia) 

 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) 

 LaVELLE A. B.S., M.A., Ph.D. — Dept. of Anat, Coll. of Med., Univ. of 

 Illinois, 1853 W. Polk St., CHICAGO 12, 111., U.S.A. 



a. Reaction patterns of the facial nerve following injury or treatment with 

 drugs during development. Cricetus auratus (Rodentia) 



b. Development of the neuronal nucleolus and Nissl substance. Cricetus 

 auratus (Rodentia) 



LAVEN, H. Dr.rer.nat. — Max Planck-Inst. fur Biol., Spemannstr. 34, 

 TUBINGEN, Deutschland 



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., 49 bis Avenue de la 

 Belle Gabrielle, NOGENT sur Marne (Seine), France 

 a. Limb regeneration. Amblystoma punctatum (Urodela) 



LEBLOND, C. P. M.D., Ph.D., Prof. — Inst. d'Anat., Univ. de Louvain, 

 38, Rue des Recollets, LOUVAIN, Belgique 



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) 



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