Nakumura-Nis 



d. Interaction of germ layers in differentiation and shaping. Tviturus spec, 



Rana spec. (Amphibia) 

 NAKANE, T. M.Sc. — Biol. Lab., Kyoto Prefectural Univ., Shimogamo, 



KYOTO, Japan 



(no embryological work in progress) 

 NAKANO, E. M.A., Dr.Sci., M. I. I.E. — Biol. Inst., Fac. of Sci., Nagoya 



Univ., Chigusa-Ku, NAGOYA, Japan 



a. Physiological studies on fertilization and development. Hemicentrotus 

 pulcherrimus (Echinoidea), Oryzias latipes (Teleostei) 



b. Metabolic analysis of early development. Oryzias latipes (Teleostei) (in 

 collaboration with T. HISHIDA) 



NAKAYAMA, T. M.B., M.D. — Anat. Inst., Med. Fac, Nihon Univ., No. 

 30, Ooyaguchi-kamimachi, Itabashi-ku, TOKYO, Japan 



a. Embryological studies on the venae cordis minimae. Homo sapiens (Pri- 

 mates) 



b. On the developmental changes of visceral forms. Mus musculus (Ro- 

 de ntia) 



NARBAITZ, R. M.D. — Dept. of Embryol., Carnegie Inst, of Washington, 

 Wolfe and Madison Sts., BALTIMORE 5. Md., U.S.A. 

 a. Induced aspermatogenesis. Cavia porcellus (Rodentia) 



NAYLOR, E. B.Sc, Ph.D. — Dept. of Zool., Univ. Coll. of Swansea, Sing- 

 leton Park, SWANSEA, Glamorganshire, Wales 



NEDVlDEK, J. Dr. — Dept. of Gener. and Exper. Zool., Zool. Inst, of 

 Charles Univ., Vinicna 7, PRAHA II, Czechoslovakia 



a. Nucleic acids and subcellular particles in early development. (Amphibia) 



b. Transplantation of nuclei and cytoplasmic components. (Amphibia) (in 

 collaboration with F. SLADECEK and A. ROMANOVSKY) 



NEEDHAM, A. E. M.A., D.Sc. — Dept. of Zool. and Comp. Anat., The 

 Univ. Museum, OXFORD, England 

 a. Nitrogen excretion during wound-healing and regeneration. Lumbricus 

 terrestris, Eisenia foetida, Allolobophora caliginosa (Oligochaeta) 



NEEDHAM, J. Dr., F.R.S., F.I. I.E., Prof. — Gonville & Caius Coll., CAM- 

 BRIDGE, England 



NEF, W. — Abt. f. Genet., Zool. Inst, der Univ. Bern, Sahlistr. 8, BERN, 

 Schweiz 



NEW, D. A. T. M.A., Ph.D. — Dept. of Zool, Univ. Coll. of the West 

 Indies, KINGSTON 7, Jamaica 



a. Blastoderm expansion. Gallus domesticus (Aves) 



b. Tail regeneration. Sphaerodactylus argus (Lacertilia) 



NEWTH, D. R. B.Sc, Ph.D., M.I. I.E. — Dept. of Zool. and Comp. Anat, 

 Univ. Coll. London, Gower St., LONDON W.C. 1, England 



a. Regeneration of defective organs. (Amphibia) 



b. Morphogenetic effects of homologous DNA administered to eggs and 

 embryos. Siredon mexicanum, Xenopus spp. (Amphibia) 



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

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



a. Studies on the egg. Mus norvegicus (Rodentia) 



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

 c Factors underlying embryonic form. 



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

 (Rodentia) 



90 



