Newth 65 Nieuw 



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

 Coll. London, Gower Str., LONDON W. C. 1. England (U.K.) 



a. The fate of the neural crest. Lampetra planed (Cyclostomata) 



b. The measurement of the forces involved in neurulation. (Urodela) 

 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. 



a. Continued investigation by homologous and heterologous transplantation 

 of embryonic material relating to its development in the anterior chamber 

 in the eye using the method developed by H. S. N. GREENE. Homo, 

 Cavia and Mus musculus (Mammalia) 



b. Continuation of investigations deahng with the heterotransplantability 

 of neoplasms, utihzing the anterior ocular chamber of the guinea pig and 

 the rabbit. Canis and Homo (Mammalia) 



c. An investigation deahng with the transplantability of Hodgkin's Disease 

 Tissue in foreign species, using growth stimulating substances and modi- 

 fying the donor tissue in various ways, (in collaboration with D. 

 ZACKRY and J. M. ROSE) 



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



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



(no data received on Nov. 1^', 1952) 

 NICOLA, Miss Marina De Dr Sci. — 1st. di Genet. dell'Univ., Fac. de Sci., 



Via Mezzocannone 8, NAPOLI, Italia, 

 a. Continued investigations on the role of pigment in morphogenesis. 



(Echinodermata) (in cooperation with A. MONRO Y) 

 NICOLAI, J. H. W. — Zool. Lab. der Rijks Univ., Janskerkhof 3, 



UTRECHT, Holland, 

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

 ration with D. BOSSCHAERT, Miss C. H. M. BRAAT, Miss S. C. A. 



HAIJE, Miss A. H. LYESEN, Miss A. J. PARIS, Chr. P. RAVEN, F. 



van RIJCKEVORSEL and Miss L. G. de VRIES) 

 NICOLETTI, B. — 1st. di Biol, gen., Fac. di Med., S. Pietro, PERUGIA, 



Italia, 

 a. Anelli di Liesegang e sviluppo embrionale. Bufo (Anura) 

 NIESSING, K. Dr Med., 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.. Internat. Embryol. Inst., 



Janskerkhof 2, UTRECHT, Holland. 



a. Early development from fertilization till end of neurulation. Xenopus 

 laevis (Anura) (Normal Table) 



b. Analysis of the regulative potencies of the invaginating archenteron roof 

 and the induced neural plate along the dorso-ventral and cranio-caudal 

 axes, by heteroplastic transplantation of parts of the dorsal blastoporal 

 lip. Tritucus alpesttis, taeniatus and cristatus (Urodela) (in collabo- 

 ration with S. TOIVONEN) 



c. Experimental analysis of the gastrulation process (vital staining and 

 transplantation). Xenopus laevis (Anura) 



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

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

 fields. Various Urodela (Amphibia) 



