b UltrastructuraJ changes and patterns of RNA and protein synthesis in differentiating cells as 



studied by E.M. autoradiography. Triturus alpestris (Urodela), Xenopus laevis (Anura) 

 c Characterization of DNA in nucleolus-associated heterochromatin studied by in situ hybridiza- 

 tion of labelled RNA with ultrathin sections of cells and tissues. Xenopus laevis (Anura), mouse L 



cells (Mammalia) 

 JACOB (LOES), Mrs. M. Dr.med. - Lehrstuhl fur Anat.l, Ruhr Univ., Buscheystr., Postfach 2148, 



463 BOCHUM-Querenburg, B.R.D. (Germany) 

 a Development of vertebral column. Gallus domesticus (Aves) 

 b Differentiation of somites. Gallus domesticus (Aves) 

 JACOBSON, D. C. O. Fil.Dr., Prof. - Zool. Inst., Univ. of Uppsala, Box 561, S-75122 UPPSALA 1, 



Sweden ISDB 



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

 b Experiments on fiber pattern formation in the medulla oblongata. Same species as a 

 c The mechanism of neurulation. Ciona intestinalis (Ascidiacea), Ambystoma spec. (Urodela), 



Gallus domesticus (Aves) 

 JACQUOT, R. L. D.Sc, Prof. - Lab. de Physiol. Anim., Univ. de Reims, B.P. 347, 51062 REIMS 



Cedex, France 

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



on isolated cultured hepatocytes; electron microscopy. Rattus norvegicus (Rodentia) 

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



norvegicus (Rodentia) (with J. NAGEL) 

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



Rattus norvegicus (Rodentia) (with J. M. FELIX, B. C. J. SUTTER, and Mrs. M. T. SUTTER) 

 JAGERSTEN,K.G. M. Fil.Dr., Prof. (Emer.) - Zool. Inst., Univ. of Uppsala, Box 561, S-75122 



UPPSALA 1, Sweden 

 a Larval development. (Pogonophora) 

 b Comparative study of larval development. (Invertebrata) 

 c Evolution of the life cycle. (Metazoa) 



JALOUZOT, R. - Lab. de Biol. Cell., Univ. de Reims, B.P.347, 51062 REIMS Cedex, France 

 a Nucleic acids and protein metabolism during initiation of adventitious roots. Cicer arietinum 



(Papilionaceae) 

 b Stimulation of RNA synthesis and cellular activation. Same species as a 

 c Factors of chromatin stimulation during cellular activation. Vicia faba (Papilionaceae) 

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



Glamorgan, Wales, U.K. 

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



WC1E6BT, England 

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

 JANDIERI, Miss K. M. - Dept. of Developm. Biol., Inst, of Exp. Morphol., Acad, of Sci. of the SSR, 



Digomi, 380059 TBILISI, U.S.S.R. 

 a Participation of nuclear and cytoplasmic substances in control of state of DNA in chromatin. 



Gallus domesticus (Aves), Rattus norvegicus (Rodentia) 

 JANKOVIC, B. D. M.D., Ph.D. - Immunol. Res. Center, Univ. of Belgrade, Vojvode Stepe 458, 



P.O.Box 979, 1 1000 BEOGRAD, Yugoslavia 

 a Lymphocytopoiesis and onset of the immunocompetence in embryo and young chick. Gallus 



domesticus (Aves) 

 b Neuroendocrine regulation of foetal and neonatal immunity. Gallus domesticus (Aves), Rattus 



spec. (Rodentia) 

 JANNING, W. Dr. - Zool. Inst, der Univ., Badestr. 9, 44 MUNSTER/Westf., B.R.D. (Germany) 

 a Analysis of genetic mosaics of internal organs (larval and imaginal), using enzyme marker genes. 



Drosophila melanogaster (Diptera) 

 JANSEN, J. M.D., Prof. (Emer.) - Anat. Inst, Univ. of Oslo, Karl Johansgate 47, OSLO 1, Norway 



ISDB 

 a Morphogenesis of brain stem nuclei. Balaenoptera musculus, B. physalus (Cetacea) 

 JANTOSOVICOVA, Mrs. J. M.V.Dr. - Anat. Inst., Vet.-Med. Fak., Komenskeho 71, KOSICE, 



Czechoslovakia 

 a Morphogenesis of the testis. Ovis aries (Artiodactyla) 

 JANTZEN (WILKENS), Mrs. H. L. M. Dr. - Physiol. Lehrst., Zool. Inst, der Univ., Berlinerst. 15, 69 



HEIDELBERG, B.R.D. (Germany) 

 a Synthesis of new RNA populations needed for encystment. Acanthamoeba spec. (Rhizopoda) 

 JARSKAR, R. J. Dr. - Inst, of Zool., Univ. of Gothenburg, Fack, S-400 33 GOTHENBURG 33, 



Sweden 

 a Electron microscopy of the development of the median eminence, neural lobe, and adeno- 



hypophysis (from 14-day embryo to adult). Mus musculus (Rodentia) (with L. EURENIUS) 

 JAYLET, A. Dr.es Sci. - Lab. de Biol. Gener., Univ. Paul-Sabatier, 118 Route de Narbonne, 31077 



TOULOUSE Cedex, France 

 a Effets des rayons X sur la descendance d'animaux iiradies; etude des anomalies chromosomiques; 

 mode de transmission des chromosomes remanies; creation de lignees homozygotes pour des 

 chromosomes marqueurs. Pleurodeles waltlii (Urodela) 

 b Tetraploidie experimentale. (Urodela) 

 c Gynogenese. (Urodela) 

 JELfNEK, R. MUDr., CSc. - Lab. of Plastic Surg., Dept. of Exper. T3ratol., Czech. Acad, of Sci., 



Legerova 61, 120 00 PRAHA 2, Czechoslovakia 

 a Quantitative changes of tissue, cellular and subcellular structure in normal and pathological 



49 



