NEWBY W. W. Ph.D. (Stanford Univ.. 1939) — Dept of Genetics and 



Cytology, Div. of Biol.. Univ. of Utah, SALT LAKE CITY, Utah. 



U.S.A. 

 NEWSTEAD. J. D. B.A. — Dept. of Zool., Univ. of British Columbia, 



VANCOUVER, B.C., Canada 

 a. Descriptive analysis of kidney development. Onchorhynchus gorbuscha 



(Teleostei) 

 NEWTH, D. R. B.Sc, Ph.D. — Dept of Zool. and Comp. Anat., Univ. 



Coll. London, Cower St, LONDON W.C. 1. England (U.K.) 

 a. Regeneration of defective organs. (Amphibia) 

 NEWTON, B. L. B.A., M.D.C.M. — Dept of Pathol., Coll. of Med.. Baylor 



Univ., 1200 M.D. Anderson Blvd. Texas Med. Center. HOUSTON 5, 



Tex.. U.S.A. 



(no embryological work in progress) 

 NICOLA. Miss M. DE Dr Sci. — Centro di Studio per la Biol, del C.N.R., 



Stazione Zool., NAPOLI, Italia 

 NICHOLAS, J. S. F.I.I.E.. Ph.D.. Prof. — Osborn Zool. Lab.. Yale Univ.. 



NEW HAVEN 11. Conn., U.S.A. 



a. Studies on the eag. Mas norvegicus (Rodentia) 



b. The development of actomyosin in developing muscle. Mus norvegicus 

 (Rodentia) 



c. The interaction of the roof of the archenteron upon the nervous system. 

 Ambystoma punctatum (Urodela) 



d. Determination times of tissues and organs. Mus norvegicus (Rodentia) 



e. Factors underlying embryonic form. 



f. Development of nucleic acids in embryos. (Amphibia), Mus norvegicus 

 (Rodentia) dentia) 



g. Development of acidphosphatase. (Amphibia), Mus norvegicus (Ro- 

 h. Centrifugation and transplantation of eggs. Mus norvegicus (Rodentia) 

 j. Culture of eggs and embryos. Mus norvegicus (Rodentia) 



NIESSING, K. Dr Med., o.Prof. — Anat. Inst, der Univ.. Robert Kochstr. 



6, MARBURG/Lahn, Deutschland 

 a. Entwicklung der autonomen Ganglien. Xenopus (Anura) 

 NIEUWKOOP. P. D. Phil.Dr — Hubrecht Lab.. Intern. Embryol. Inst.. 



Janskerkhof 2. UTRECHT. Holland 



a. Analysis of the neural induction and subsequent organization of the 

 central nervous system (to be continued). Interaction of embryonic fields. 

 Various species (Urodela) 



b. Analysis of the neural induction and subsequent organization of the 

 central nervous system (to be continued). Gallus domesticus (Aves) 



c. Causal analysis of the development of the neural crest (Subject of second 

 international team-work, Hubrecht Lab.. I — VII. 1956). Various species 

 (Urodela) 



NIJENHUIS. E. D. M.Sc. — Zool. Lab. der Rijks Univ.. Janskerkhof 3. 

 UTRECHT. Holland 



a. Analysis of the phase specificity in the sensitivity of the egg to Li-ions. 

 Limnaea stagnalis (Gastropoda) 



b. Autoradiographic localization of kations in eggs. Limnaea stagnalis 

 (Gastropoda) 



NILSSON, Miss A. E. A. Fil.mag. — Inst, for Zoophysiol.. Uppsala Univ., 

 UPPSALA. Sweden 



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