Eb 28 Els 



a. Influence of thyroidectomy and inanition on the development of the 

 central nervous system. (Rodentia) 

 EBERT, J. D. Ph.D. — Dept of Biol., Massachusetts Inst, of Technology, 

 CAMBRIDGE 39, Mass., U.S.A. 



a. Investigating the ontogeny of the enzyme tyrosinase, by immunological 

 techniques. Gallus domesticus (Aves) 



b. Investigating the time and manner of origin, and role of vitamins in 

 the early blastoderm. Gallus domesticus (Aves) 



c. Investigating the mechanism of protein synthesis in the embryo, with 

 special reference to the proteins of cardiac muscle. Gallus domesticus 

 (Aves) (in collaboration with F. LAMY) 



EDDS, Jr, M. V. B.A., M.A., Ph.D. — Dept of Biol., Brown Univ., PRO- 

 VIDENCE 12. R.I., U.S.A. 



a. Study of factors influencing the spreading of intact axons in partially 

 denervated muscles. (Vertebrata) 



b. Study of factors influencing the diameter of nerve fibers. (Vertebrata) 

 EDGAR, G. W. F. Med. drs — Anat.-Embryol. Lab. der Rijks Univ., 



Janskerkhof 3. UTRECHT, Holland. 



(no data received over this year) 

 EDWARDS. L. F. B.A., M.Sc, Ph.D., Prof. — Dept of Anat.. Ohio State 



Univ., COLUMBUS 10, Ohio, U.S.A. 



(no data received over two years) 

 EEDEN, J. A. van D.Sc. — Dept van Dierk., Potchefstroom Univ., POT- 



CHEFSTROOM. Suid-Afrika. 



a. Ontogenesis of the skull and visceral muscles till the beginning of meta- 

 morphosis. Xenopus laevis (Anura) (Normal Table) 



b. The development of the lower jaw and hyoid apparatus. Ascaphus truei 

 Stejneger (Anura) 



EGMOND, Miss M. T. C. van — Hubrecht Lab., Internat. Embryol. Inst., 

 Janskerkhof 2, UTRECHT, Holland. 



a. Experimental analysis of the neurulation process. Xenopus laevis 

 (Anura) (in collaboration with P. D. NIEUWKOOP) 

 ELBERS, P. F. — Zool. Lab. der Rijks Univ., Janskerkhof 3, UTRECHT, 

 Holland. 



a. Analysis of lithium action. Limnaea stagnalis (Gastropoda) (in colla- 

 boration with W. G. BRAAMS, A. C. J. BURGERS, W. L. M. GEI- 

 LENKIRCHEN, J. ISINGS. Miss T. C. M. KOEVOETS, Chr. P. 

 RAVEN, G. SCHOLTEN and M. VROMAN) 

 ELOFF, F. C. D.Sc. — Zool. Inst., Fac. of Sci., Univ. of Pretoria, PRE- 

 TORIA, S. Africa. 



a. Further studies on the chondrocranium. Galago senegalensis (Prima- 

 tes) 



h. Observations on the development of the vomer. Homo sapiens (Primates) 



c. On the presence of pineal cartilages in the chondrocranium of a mammal. 

 (Rodentia) 



ELSHOUT, Miss A. M. Arts — Anat.-Embryol. Lab. of the Univ. of 

 Leyden, Fac. of Med., Wassenaarseweg, Boerhaavekwartier, LEIDEN, 

 Holland, 

 a. Listing and investigation of the historical collection of the Institute 

 containing a large number of embryological preparations. Homo and 

 (Vertebrata) 



