)ir-Jun 



JIRASEK. J. E. MUDr., C.Sc. — Embryol. Lab., Inst, for the Care of 

 Mother and Child, nabf. K. Marxe 157, PRAHA-Podoli. Czechoslova- 

 kia 



a. Biochemistry of embryonic growth. Homo sapiens (Primates) 



b. Histochemical analysis of organogenesis. Homo sapiens (Primates) 

 JIRSOVA, Miss Z. MUDr. — Inst, of Embryol, Fac. of Med., Charles 



Univ., Albertov 4, PRAGUE 2, Czechoslovakia 

 a. Egg transplantation (electron microscopic and cytochemical studies of 

 egg transport and implantation in experimental conditions). (Mammalia) 

 JIT, I. M.B., B.S., M.S., Ph.D., Prof. — Dept. of Anat., Med. Coll., ROH- 

 TAK, Punjab, India 



a. Development of the splanchnic nerves. Homo sapiens (Primates) 



b. Development of striated muscle of oesophagus. Homo sapiens (Pri- 

 mates) 



JOHANSSON, K. B, G. Fil.kand. — Wenner-Gren's Inst, for exper. Biol., 

 Norrtullsgatan 16, STOCKHOLM Va., Sweden 



a. Regulation of enzyme synthesis in cells in tissue culture. 



b. Established cell strains. Homo sapiens (Primates) 



JOHANSSON, N. Fil.hc. — Zool. Inst., Univ. of Gothenborg, Fjarde Lang- 

 gatan 7B, GoTEBORG-SV, Sweden 



a. Embryological studies. Homarus vulgaris (Crustacea) 



b. Spermiogenesis and oogenesis. Homarus vulgaris (Crustacea) 

 JOHNEN, Miss A. G. Dr.phil., M.I.I.E., Doz. — Zool. Inst, der Univ., 



Kerpenerstr. 13, KoLN-Lindenthal, Deutsche Bundesrepublik 



a. Die Wirkungsspezifitat abnormer Induktoren in der Entwicklung. (Am- 

 phibia) 



b. Die Bedeutung des Zeitfaktors beim Induktionsvorgang. Ambystoma 

 spec, Triturus spec. (Urodela) 



c. Untersuchungen uber die Kompetenzverhaltnisse beim Ektoderm. 

 (Urodela) 



JOHNSON, E. M. B.S., M.S., Ph.D., Prof. — Dept. of Anat., Coll. of Med., 

 Univ. of Florida, GAINESVILLE, Fla., U.S.A. 

 a. Electrophoretic and biochemical analysis of abnormal development. 



Rattus rattus (Rodentia) 

 h. Molecular enzymology during morphogenesis. Dictyostelium discoi- 

 deum, ( Acrasiales) 



JOHNSON, G. Dr.es Sci. — Lab. de Zool. et Biol, anim., Fac. des Sci., 

 POITIERS. Vienne, France 



JONES, K. W. B.Sc, Ph.D. — Inst, of Animal Genet., Univ. Dept. of Ge- 

 net., King's Buildings, West Mains Rd., EDINBURGH 9, Scotland 



a. Small aggregate cultures of embryonic cells. Rana pipiens (Anura) 



b. Ultrastructural effects of actinomycin D on cultured embryonic cells. 

 Rana pipiens (Anura) 



c. Regulatory mechanisms in lens regeneration. Xenopus laevis (Anura) 



(in collaboration with J. C. CAMPBELL) 

 JONES, O. P. Ph.D., M.D., Prof. — Dept. of Anat., State Univ. of New 

 York at Buffalo, 15 The Circle. BUFFALO 14, N.Y., U.S.A. 



a. Embryonic blood cells in the yolk sac. Rattus spec. (Rodentia) 



b. Electron microscopy of hepatic hematopoiesis. Rattus spec. Homo sa- 

 piens (Mammalia) 



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