El Shatoury 30 Eyr 



a. Survey of pupal lethals. Drosophila melanogaster (Diptera) 



b. Biological nature of neoplasms, Drosophila antibodies. Drosophila me- 

 lanogaster (Diptera) 



c. Post-embryonic development and behaviour of the blood-forming organs. 

 Drosophila melanogaster (Diptera) 



d. Application of immune reactions to determine invisible changes in non- 

 metamorphic structures. Drosophila melanogaster (Diptera) 



e. Gastric tumours and their relation to hormonal disturbances. Drosophila 

 melanogaster (Diptera) 



i. The growth- and moulting hormone. Drosophila melanogaster (Diptera) 

 ELSHOUT. Miss A. M. Med.Dr. — Anat.-Embryol. Lab. of the Univ. 

 of Leyden, Fac. of Med.. Wassenaarseweg, Boerhaavekwartier, LEI- 

 DEN. Holland 



(during the year 1952/'53 working in the U.S.A.) 

 ENDO, Y. M.Sc. — Biol. Lab., Keio Univ., Hiyoshi, Kohoku, YOKO- 

 HAMA, Japan 



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

 (Echinoidea) 



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

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



STELLENBOSCH. South Africa 

 a. Cranial ontogenesis. Pyromelana sp. (Aves) 

 ENGLANDER, H. Dr med. et rer.nat. — Zool. Inst, der Univ. Koln, 

 Kerpenerstr. 13. KoLN-LINDENTHAL. Deutschland 

 a. Regionalspezifische Induktion. (Urodela) 

 EREN(^IN, Z. Med.Veter.Dr — Inst, of Histol. and Embryol., Veterinary 

 Coll. of the Univ., ANKARA, Turkey 

 a. Spermiogenesis by the hypervitaminosis E. 

 ERKEL. G. A. van B.Sc. — Zool. Lab. der Rijks Univ., Janskerkhof 3, 

 UTRECHT. Holland 

 a. Influence of heat shock. Limnaea stagnalis (Gastropoda) (in collabora- 

 tion with A. C. de ROON and A. M. STADHOUDERS) 

 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. Ph.D. — Hebrew Univ., JERUSALEM, 

 Israel 



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

 Holland (until October 1953) 

 a. Dynamic aspects of neural induction. (Amphibia) 

 EYMANN, H. — Zool. Inst, der Univ. Bern, Sahlistr. 8, BERN. Schweiz 

 a. Neuralchimiiren. Triton x Bombinator (Amphibia) (in Zusammenarbeit 

 mitP. BALTZER) 

 EYRIES, Ch. Dr en Med. — Lab. des Travaux Anat.. Fac. de Med. Nou- 

 velle. 43 Rue des St Peres. PARIS Vie. France 



a. Developpement de I'encephale et des nerfs craniens. Homo (Primates) 

 (en collaboration avec R. BISS) 



b. Oreille interne et complexe acoustico-facial. Homo (Primates) (en col- 

 laboration avec R. BISS) 



