Endo 29 Far 



ENDO, Y. M.Sc. — Embryol. Section, Dept of Biol., Fac. of Sci., Tokyo 

 Metropolitan Univ., Meguro-ku, TOKYO, Japan, 

 a. A chemical study of the processes of fertilization membrane formation. 



(Echinoidea) 

 h. Electron microscopical study of the fertilization membrane. (Echinoidea) 

 ENGELBRECHT, D. van Z. M.Sc. — Zool. Inst., Univ. of Stellenbosch. 

 STELLENBOSCH. S. Africa, 

 a. Cranial ontogenesis. Pyromelana sp. (Aves) 

 ENGLANDER. H. Dr med. et rer. nat. — Inst. f. Entw. physiol., Kerpener- 

 str. 13. KOLN-LINDENTHAL, Deutschland. 

 (no data received over this year) 

 EVANS H. J. Ph.D. — Dept of Zool., Syracuse Univ., SYRACUSE 10, 

 N.Y., U.S.A. 

 a. Action of cortisone on the developing embryo. Gallus domesticus (Aves) 

 EYAL— GILADI, Mrs H. M.Sc. — Hebrew University, JERUSALEM, 

 Israel. 



— Hubrecht Lab., Internet. Embryol. Inst., Janskerkhof 2, UTRECHT, 

 Holland, 

 a. Experimental analysis of the development of neural differentiation ten- 

 dencies during gastrulation and neurulation. (Amphibia) 

 FABER J. — Hubrecht Lab., Internat. Embryol. Inst., Janskerkhof 2; Zool. 

 Lab. der Rijks Univ., Janskerkhof 3, UTRECHT, Holland. 



a. Influence of different kinds of food on development. Xenopus laevis 

 (Anuta) 



b. Description of the development of the pattern of chromatophores. Xeno- 

 pus laevis (Anura) (Normal Table) 



c. Normal development of the alimentary canal and digestive glands from 

 tail-bud stage till end of metamorphosis. Xenopus laevis (Anura) (Nor- 

 mal Table) 



d. Developmental physiology of a mutant, lethal in the pupal stage. 

 Drosophila melanogaster Meigen (Insecta) (in collaboration with 

 F. H. SOBELS) 



FANKHAUSER, G. Ph.D., Prof. — Dept of Biol., Princeton Univ., PRIN- 

 CETON, N.J., U.S.A. 



a. Cytological study of polyploidizing effect of heat and cold on fertihzed 

 eggs, and of parthenogcnetic cleavage induced by heat and cold treat- 

 ment of unfertilized eggs. Tritums viridescens (Utodela) 



b. Study of effects of triploidy on development of gonads. Tritums viri- 

 descens (Urodela) 



c. Study of the reactions of diploid and triploid larvae and metamorphosed 

 animals to pituitary horm.ones. Triturus viridescens (Urodela) 



d. Thyroidectomy in diploid and triploid embryos. Effects of thiourea, etc. 

 Triturus viridescens (Urodela) 



e. Study of progeny of triploid, tetraploid and other heteroploid individuals. 

 Amblijstoma mexicanum (Urodela) (in collaboration with R. R. HUM- 

 PHREY) 



FARINELLA— FERRUZZA, Mrs N. Dr — 1st. di Zool.. Via Archirafi 



18, PALERMO, Itaha. 

 a. Xenoplastic tail transplantations. (Amphibia) 

 h. Transplantation of hthium-treated blastomeres upon a normal germ. 



(Ascidiae, Urochordata) 



