JENKINSON, E. J.; Ph.D. - Dept. of Pathol., Univ. of Bristol, University Walk, BRISTOL BS8 ITD, 



England 

 a Immunology of reproduction. Mus musculus (Rodentia), Homo sapiens (Primates) 

 b Biology of the trophoblast. Same species as a 

 c Early embryonic development. Mus musculus (Rodentia) 

 JENSEN, P. v.; M.Sc. - Inst, of Gen. Zool., Univ. of Copenhagen, 15 Universitetsparken, 2100 



COPENHAGEN 0, Denmark 

 a Ultrastructural changes in metamorphosing hearts. Calliphora erythrocephala (Diptera) 

 b DNA amount and DNA synthesis in the individual cells of the metamorphosing heart. Same 



species as a 

 JIRICKA, Z.; M.D., Ph.D. - Inst, of Pharmacol., Czech. Acad, of Sci., Albcrtov 4, 128 00 PR AH A 2, 



Czechoslovakia 

 a Normal and pathological histology and histochemistry of the implantation and placentation. 



Homo sapiens (Primates; Rodentia) 

 b The influence of drugs and bacterial toxins on the implantation and placentation. Same species as 



a 

 JIRSOVA, MissZ.;M.D. - Inst, of Embryol., Fac. of Med., Charles Univ., Albertov 4, 128 00 PRAHA 



2, Czechoslovakia 

 a Egg transplantation (electron microscopy and cytochemistry of egg transport and implantation in 



experimental conditions). Oryctolagus cuniculus (Lagomorpha) 

 b Electron microscopy and cytochemistry of tubal epithelium differentiation. (Rodentia; Carni- 



vora). Homo sapiens (Primates) 

 JOHANNISSON, R.; Dr. - Inst, fur Allgem. Biol., Univ. Diisseldorf, Ulenbergstr. 127-129, 4000 



DUSSELDORF, B.R.D. (Germany) 

 a The synthetic capacity and the structure of oocytes and nurse cells; the deposition of yolk 



protein in the oocyte. Daphnia magna (Cladocera, Crustacea) 

 b Gene physiology, Y chromosome. Drosophila spp. (Diptera) 



c Genetic regulation of differentiation; male germ line cells. Drosophila spp. (Diptera) 

 JOHN, H. - Inst, of Anim. Genet., Univ. of Edinburgh, West Mains Rd., EDINBURGH EH9 3JN, 



Scotland, U.K. 

 a Biosynthesis of contractile proteins during myogenesis in vitro. Mus musculus, Rattus spec. 



(Rodentia), Homo sapiens (Primates) . ,^ . ., a, ,,, ^ , „ „ ^ 



JOHNEN, Miss A. G.; Dr.phil., Prof. - Zool. Inst, der Univ., Weyertal 119, 5 KOLN 41, B.R.D. 



(Germany) , ■ • , 



a Die Wirkungsspezifitiit abnormer Induktoren in der Entwicklung. Tnturus vulgaris, Ambystoma 



mexicanum (Urodela) 

 b Die Bedeutung des Zeitfaktors beim Induktionsvorgang. Dieselben Arten wie a 

 c Untersuchungen liber die Kompetenzverhaltnisse beim Ektoderm. Ambystoma mexicanum, 



Triturus vulgaris, T. alpestris, T. helveticus (Urodela) 

 d Wechselwirkung zwischen Ektoderm und Mesoderm in gastrula und neurula. Dieselben Arten wie 



c 

 JOHNSON, D. R.; Ph.D. - Dept. of Anat., School of Med., Univ. of Leeds, LEEDS LS2 9NL, England 

 a Electron microscopy of abnormal tissues, brain biochemistry, and neuroendocrinology of annnals 



carrying mutant genes. Mus musculus (Rodentia) 

 JOHNSON, M. H.; Ph.D. - Dept. of Anat., Univ. of Cambridge, Downing St., CAMBRIDGE 



CB2 3DY, England 

 a Surface properties of gametes and early embryos (specific probes, c. g. lectms, antibodies, etc.). 



Mus musculus (Rodentia) 

 b Early development studied with sensitive micro-methods for determination of protein synthetic 



patterns in whole or microsurgically dissected normal and mutant embryos. Same species as a 

 c Developmental commitment and spatial relationship of cells in early embryos studied with 



interspecific chimaeras and antigenic markers. Mus musculus, Rattus spcc\ (Rodentia) 

 JONCZY, J.; M.Sc. - Zool. Dept., Jagellonian Univ., ul.Krupnicza 50, KRAKOW 2, Poland 

 a Differentiation of primordial germ cells (qualitative and stereological analysis). Tetrodontophora 



bielancnsis (Collembola) 

 JONES (HOLT), Mrs. E. C; Pii.D. - Dept. of Anat., Med. School, Univ. of Birmingham, Edgbaston, 



BIRMINGHAM B15 2TJ, England 

 a The effect of maternal age on morphology and development ol fertilized eggs. Mus musculus 



JONES, G. E.'; Ph.D. Dept. of Biol., Queen Elisabeth Coll., Univ. of London, LONDON \V8 7AH, 



England 

 a Effect of cytochalasin B on electrophoretic mobility and adhesion ot embryonic cells. Gallus 



gallus (Aves) 

 b Control of cellular movement and adhesion in haemocytes. Patella vulgata (Gastropoda) 

 JONES, K. W.; Ph.D. Inst, of Anim. Genet., Univ. of Edinburgh, West Mains Rd., EDINBURGH 



El'l9 3JN, Scotland, U. K. . . 



a Location and function of reiterated DNA sequences in nuclei and chromosomes studied by in situ 



hybridization of complementary RNA. (Meta/oa) 

 b Ultrastructure, biochemistry, and differentiation of myogenic cells, especially processes of 



transcription and translation 

 c Location of polyadenylated messenger RNAs by in situ hybridization ol poly-U(H3) and inRNA 



complementary cDNAs. (Insecta), Rattus spec, Mus musculus (Rodentia), Homo sapiens and 



other spp. (Primates) 



52 



