b. Die Bedeutung des Zeitfaktors beim Induktionsvorgang. Ambystoma, 

 Triturus (Urodela) ,t,^^t 



JOHNSON. B. H. — Dept of Zool.. Indiana Univ., BLOOMINGTON, 

 Ind.. li.S.A. 

 a. Analysis of the effects of adult or late embryonic tissue transplants on 

 homologous tissues of the host embryo — Effects on synthesis of des- 

 oxyribosenucleic acid and proteins. Gallus gallus (Aves) (in collaboration 

 • vi :h I. D. EBERT) 



JOHNSON. F. R. M.D.. B.Ch.. B.A.O. — Dept of Anat.. Fac. of Med.. 

 Univ. of Sheffield. SHEFFIELD. England (U.K.) 



a. Functional histology of urinary passages of kidney. (Mammalia) 



b. Histochemical studies of various tissues. (Mammalia) 



JONES. B. M. D.Sc. — D?pt of Zool., Univ. of Edinburgh, West Mains 

 Rd. EDINBURGH 9, Scotland (U.K.) 

 a. Embryonic endocrinology. Locustana pardalina, Locustana migratoria 

 (Orthoptera) 

 JONES. W. E. B.Sc. — Marine Biol. Stat., Univ. Coll. of North Wales. 

 BANGOR. N. Wales (U.K.) 

 a. Spore division and early development of thallus. (Rhodophyceae: Gigar- 

 tinales) 

 JOST. A. D. Dr Sc. Prof. — Lab. de Biol. anim. du P.C.B.. Fac. des Sci.. 



Univ. de Paris, 7 Rue Cuvier, PARIS Ve. France 

 JURA, Cz. — Zaklad Zool. Ogolnej, Inst. Zool., Uniw. we Wroclawiu. ul. 

 Sienkiewicza 21, WROCLAW, Poland 

 a. Development of the digestive system. Phyllobius glaucus Scop. (Cur- 

 culionidae, Coleoptera) 

 JURAND, A. Dr Biol. — Biol, and Embryol. Inst.. Med. Academy. KRA- 

 KOW. Poland 

 a. The influence of drugs of the nervous system on regeneration (sodium 

 bromide; coffeine; strychnine nitrate). Xenopus laevis Daud. (Anura) 

 h. The phenomenon of spontaneous neoteny. Xenopus laevis Daud. 

 (Anura) 

 KACEROVSKY, K. Dr — Inst, of Histol. and Embryol., Fac. of Med., 

 Charles Univ., Karlovarska 48, PLZEN. Czechoslovakia 

 a. The development of the functional architecture of tendons. Homo 

 (Primates) 

 KAGAN. B. M. Dr es Sci. — Lab. d'Histophysiol.. Coll. de France, Place 

 Marcelin Berthelot, PARIS Ve. France 

 a. Culture d'organes (gonades, glandes endocrines). 

 KAJI. S. — Biol. Lab., Dept of Lit. and Sci.. Konan Univ.. KOBE. Japan 

 a. Chemical influence upon the facet-forming faculty of the Bar eye. Dro- 

 sophila (Diptera) 

 KAJISHIMA. T. M.A. — Biol. Inst., Fac. of Sci., Nagoya Univ.. Chigusa- 

 Ku. NAGOYA. Japan 

 a. Experimental analysis of the development of genetical characters. Caras- 

 sius auratus (L) (Teleostei) 

 KALIN, J. Prof. — Zool.-vergl.-anat. Inst, der Univ., FREIBURG. Schweiz 

 KaLLeN. B. Docent — Tornblad-Inst. for comp. Embryol.. Biskopsgatan 7, 



LUND. Sweden 

 KAMEL, A. B.Sc. M.Sc, Ph.D. — Fac. of Sci.. Ain Shams Univ., Abassia. 

 CAIRO, Egypt 



53 



