c Characterization of the endodermal substance that induces heart development. Taricha 

 toTosa (Utodela) 



JACOBSON. D. CO. Fil.Dr. — Zool. Inst.. Univ. of Uppsala, Villavagen 9, UPPSALA, 

 Sweden • 



a Determination of the central nervous system. Ambystoma spec. (Urodela) 



h Experimental studies on fiber pattern formation in the medulla oblongata. Ambystoma spec. 

 (Urodela) 



c The mechanism of neurulation. Ambystoma spec. (Urodela) 



d Cytoplasmic control of DNA synthesis in neurons. Mus musculus (Rodentia) 



JACOBSON. M. Ph.D. — Dept. of Biophys., The Johns Hopkins Univ., BALTIMORE. 

 Md. 21218. U.S.A. 



JACOBSSON. A. Fil.mag. — Zool. Inst., Univ. of Gothenburg, 4de LSnggatan 7B, GCTE- 

 BORG SV, Sweden 



JACQUES, Miss, S. Y. B.A. — Dept. of Zool., Coll. of Sci., Univ. of Western Ontario, 

 LONDON, Ont., Canada 



a Biological effects of the "chemosterilant": Hempa (hexamethylphosphoric triamide) on 

 embryonic cells and fibroblasts in culture. (Teleostei), Mus musculus (Rodentia) 



JACQUOT. R. L. D.Sc, Prof. — Lab. de Physiol. Anim.. Fac. des Sci., B.P. 347, 51 

 REIMS, France 



a Pre- and postnatal changes in glucose and glycogen metabolism of the liver cell; even- 

 tually assays on isolated cultured hepatocytes; electron microscopic studies. Rattus nor- 

 vegicus (Rodentia) (in collaboration with Mrs. C. PLAS) 



b Hemopoietic function of the foetal liver; factors controlling its progressive disappearance. 

 Rattus noTvegicus (Rodentia) (in collaboration with J. NAGEL) 



c Endocrine function of the foetal pancreas; insulin blood levels in the foetus and in the 

 mother. Rattus norvegicus (Rodentia) in collaboration with J. M. FELIX, B. C. J. SUTTER 

 and Mrs. M. T. SUTTER (DUB)) 



JAFFE. L. F. Ph.D., Prof. — Dept. of Biol. Sci., Purdue Univ., LAFAYETTE, Ind. 47907, 

 U.S.A. 



JAGERSTEN, K. G. M. Fil.Dr., Prof. — Zool. Inst., Univ. of Uppsala, Villavagen 9. 

 UPPSALA, Sweden 



a Larval development. (Pogonophora) 



h Comparative study of larval development. (Invertebrata) 



JALOUZOT, R. — Lab. de Biol. Gen., Fac. des Sci., B.P. 347, 51 REIMS, France 



JAMES, B. L. Ph.D. — Dept. of Zool., Univ. Coll. of Swansea. Singleton Park., SWAN- 

 SEA. Glamorganshire, Wales. U.K. 



JAMES, D. A. D.Phil. — Dept. of Biol., Univ. of Saskatchewan, SASKATOON, Sask., 

 Canada 



a Immunological aspects of pregnancy. Mus spec. (Rodentia) 



h Physiology of invasive tissues: trophoblast and tumour. Mus spec. (Rodentia) 



JAMES, D. W. B.S. — Dept. of Anat. and Embryol., Univ. Coll., Gower St., LONDON 

 W.C.I, England 



a In vitro studies of the central nervous system. Callus domesticus (Aves) 



JANDIERI, Miss K. M. — Dept. of Biophysics, Inst, of Exper. Morphol., Acad, of Sci. of 

 the Georgian S.S.R., 51 St. Kamo. TBILISSI 2, U.S.S.R. 



a Participation of nuclear and cytoplasmic factors in regulation of DNA synthesis studied 

 in isolated nuclei. Callus domesticus (Aves), Rattus norvegicus (Rodentia) 



JANS, D. E. Drs. — Muscular Dystrophy Res. Labs., Newcastle Gen. Hospt., NEW- 

 CASTLE upon Tyne NE4 6BE, England 



a The quantitative measurement of RNA in normally differentiating myoblasts growing in 

 tissue culture, and in comparable myoblasts cultured from dystrophic muscle. Callus domes- 

 ticus (Aves), Mus musculus (Rodentia), Homo sapiens (Primates) (in collaboration with 

 K. F. A. ROSS) 



b Measurement of the uptake by myoblasts of RNA fractions added to tissue culture media. 

 Callus domesticus (Aves). Mus musculus (Rodentia), Homo sapiens (Primates) (in col- 

 laboration with K. F. A. ROSS) 



JANSEN, J. M.D., Prof. (Emer.) — Anat. Inst.. Univ. of Oslo. Karl Johansgt. 47. OSLO. 

 Norway • 



JANSSENS. P. A. Ph.D. — Dept. of Zool.. School of Gen. Studies. Australian Nat. Univ., 

 P.O. Box 4, CANBERRA, A.C.T. 2600. Australia 



a Development of enzyme systems specially those concerned in nitrogen metabolism. 

 Xenopus laevis (Anura) 



JAYLET. A. Lic.es Sci. — Lab. de Biol. Gener.. Fac. des Sci.. 118 Route de Narbonne, 

 31 TOULOUSE (04), France 



a Effets des rayons X sur la descendance d'animaux irradies; etude des anomalies chro- 

 mosomiques. Pleurodeles waltlii (Urodela) 



b Etude d'un facteur recessif semi-letal. ac. Pleurodeles waltlii (Urodela) (en collaboration 

 avec J. C. BEETSCHEN) 



85 



