Landaucr-Leh 



d. The nature and siqnificance of phenocopies. Galliis domcsticus (Aves) 



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

 LANGMAN. J. Dr Med. — Anat.-Embryol. Lab.. Free Univ.. Pr. Hendrik- 



laan 27. AMSTERDAM Z. Holland 



a. Teratoqenetic effect of thyreoectomised pregnant animals on the deve- 

 loping embryo. Rattiis norregiciis albiniis (Rodentia) (in collaboration 

 with F. van FAASSEN) 



b. Influence of influenza-virus during pregnancy on the developing embryo. 

 Mas muscidus (Rodentia) (in collaboration with O. HOMMES) 



c. Study of abnormal development by injecting methyl-thiouracil into eggs. 

 Gallus domesticus (Aves) (in collaboration with H. J. DOKTER) 



d. Serological experiments with embryonic explanted tissues. Gallus 

 domesticus (Aves) 



e. Elcctrophoretic studies on the relation of the protein configuration of 

 the serum of the mother and of the developing embryo. JHomo (Primates) 

 (in collaboration with F. BOUMAN) 



LANINGA. Miss A.G. — Anat.-Embryol. Lab. der Rijks Univ., Ooster- 

 singel 69. GRONINGEN. Holland 

 a. Development of the naso-lacrimal duct. Mus musculus albimis (Roden- 

 tia) (in collaboration with Miss J. H. REINDERS) 



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

 Milano. Via Celoria 10. MILANO. Italia 



a. Proteins from eggs. (Aves) 



b. Electron microscopy of the first diffeientiation. (Aves) 

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



POITIERS. Vienne. France 



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

 hermaphrodite. (Gastropoda) 



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

 poda) 



c. Croissance et embryologie. Achatina, Pila (Gastropoda) 

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



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



a. A study of the relative proportions in both thickness and weight of the 

 free walls of the right and left ventricles of the heart, at various weights 

 and heart sizes. Various animals, including Homo 



b. A quantitative study of the prenatal increase in weight and also in per- 

 centage weight of the hypophysis, thyroid, thymus and suprarenal glands. 

 Canis (Carnivora) 



c. 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) 



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

 OMAHA 5. Nebraska. U.S.A. 



a. Effects of radiation on developing embryos. Gallus (Aves) (in colla- 

 boration with E. A. HOLYOKE and A. O. CHAPMAN) 



b. Experimental study of development of gonads. Mus (Rodentia) (in 

 collaboration with E. A. HOLYOKE and A. O. CHAPMAN) 



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

 CARLTON N. 3, Victoria, Australia 



60 



