Jans 49 Kail 



JANSEN, J. M.D. — Anat. Inst., Univ. of Oslo, OSLO, Norway 



a. Morphogenesis of the rhombencephalon. Balaenoptera physalus (Ceta- 

 cea) 



b. Development of the rhombencephaUc nuclei. Balaenoptera physalus (Ce- 

 tacea) 



JANSSEN, C. R. B.Sc. — Zool. Lab. der Rijks Univ., Janskerkhof 3, 

 UTRECHT. Holland 

 a. Analysis of Hthium action. Limnaea stagnalis (Gastropoda) (in colla- 

 boration with Miss C. DINGER, W. J. van DONGEN, B. de GROOT, 

 Miss H. E. van HEYNINGEN and Chr. P. RAVEN) 



JOHNELS, A. G. Phil.Dr — Zootom. Inst., Univ. of Stockholm, 116 Drott- 

 ninggatan, STOCKHOLM, Sweden 

 a. Development and morphology of the skeleton of the head. (Dipnoi, Silu- 

 ridae and Teleostei) 



JOHNEN, Miss A. G. Drphil. — Zool. Inst, der Univ. Koln, Kerpenerstr. 

 13, KOLN-LINDENTHAL, Deutschland 

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

 phibia) 



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) 

 h. Histochemical studies of various tissues. (Mammalia) 



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

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

 (no data received on Nov. l^S 1953) 



JORDAN, H. Ph.D.. M.S.. M.A., Prof. — Lab. of Histol. and EmbryoL, 

 Dept of Anat.. Coll. of Med.. Univ. of Vermont. BURLINGTON, Vt. 

 U.S.A. (no data received over some years) 



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 



Developmental physiology of the fetus, and fetal endocrinology. Oryc- 

 tolagus cuniculus (Lagomorpha) , Mus rattus (Rodentia): 



a. Hormonal control of sex differentiation (gonads, hypophysis). 



b. Physiology of the fetal hypophysis, thyroid, adrenals. 



c. Sexual differentiation studied in vitro (organ culturing experiments). 



d. Production of hmb abnormalities by hormonic treatment. The problem 

 of congenital amputations. 



KAJISHIMA, T. Rigakushi — Biol. Inst., Fac. of Sci., Nagoya Univ.. 

 Chigusa-Ku, NAGOYA, Japan 



a. Experimental studies on the mechanism of a blastoderm differentiation. 

 (Crustacea) 



b. Histochemical investigation on the mosaic eggs. (Crustacea) 



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

 (no data received on Nov. 1^', 1953) 



KALK, Mrs M. J. B.Sc. (London) — Dept of Zool., Univ. of the Wit- 

 watersrand. Milner Park. JOHANNESBURG, South Africa 

 a. An investigation into the biochemical ontogeny of muscle by an immuno- 

 logical technique. Xenopus laevis (Anura) 



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

 LUND, Sweden (no data received on Nov. l'\ 1953) 



