synthesis, protein synthesis). Xenopus laevis (Anura) 

 OSIPOV, V. v.; Dr. - Inst, of Med. Genet., Kashirskoye Chaussee 6a, MOSCOW 1 15478, U.S.S.R. 

 a Genetic regulation of development of brain, eye, and limbs. Mus musculus (Rodentia) 

 OSTROUMOVA, Miss T. W. - Chair of Embryol., Biol. Fac, State Univ. of Moscow, Lenin Hills, 



MOSCOW 117234, U.S.S.R. 

 OTTAVIANl, E.; Dr.Biol. - 1st. di Anat. Comp., Univ. di Modena, Via Bercngario 14, 41100 



MODENA, Italy 

 a Mitotic activity in growing retina. Triturus cristatus (Urodela) 



b Experiments on differentiation of trigeminal mesencephahc neurons. Same species as a 

 OUDHOF, H.A.J. - Orthodont. Dept., Dent. Sch., State Univ. of Utrecht, Sorbonnelaan 16, "De 



Uithof, UTRECHT, Netherlands 

 a Experiments on persistence of cranial sutures till old age; possible causes: bone movements or 



sutural tissue properties (transplantation of bone into suture). Rattus norvegicus (Rodentia) 



(with I. S. MARKENS) 

 OUWENEEL, W. J.; Ph.D. - Hubrecht. Lab. (Intern. Embryol. Inst.), Uppsalalaan 8, Universiteits- 



centrum "De Uithof, UTRECHT, Netherlands 

 a Pattern formation in imaginal discs (in vivo culture; clonal analysis). Drosophila melanogaster 



(Diptera) 

 b Genetics and physiology of the development of homoeotic mutants. Same species as a 

 02d2FNSKY W ■ Ph.D. - Dept. of Embryol., Zool. Inst., Univ. of Warsaw, Krakowskie Przedmiescie 



26728, WARSZAWA 64, Poland 

 a Differentiation of the somatic and germinal tissues of the gonad. Mus musculus (Rodentia) 

 b Normal development. Clethrionomys glareolus (Rodentia) 

 c Prospective fate of the components of blastocysts in the formation of the egg cylinder. 



(Rodentia) 

 PALA, Miss M.; Dr. - 1st. di ZooL, Univ. di Sas.sari, Via Murroni 25, 07100 SASSARI, Italy 

 a Origin of the primordial germ cells. Perca fluviatilis (Teleostei), Anas spec. (Avcs) 

 b Development of half blastoderms cultured in vitro. Gallus domesticus ( Aves) 

 PALECEK, J.; RNDr. - Dept. of Exp. Zool., Charles Univ., Vinicna 7, 12844 PRAHA 2, Czechoslo- 

 vakia 

 a Proteins and antigens in early development. (Amphibia) (with A. ROMANOVSKY and 



J.MACHA) 

 PALi^N, K.; Fil.Kand. - Zoophysiol. Inst., Univ. of Lund, Helgonavagen 3, 223 62 LUND, Sweden 

 a Teratogenesis induced by amino acids. Gallus domesticus (Aves) 

 PANELIUS, S.; Ph.D. - Dept. of ZooL, Univ. of Helsinki, P.Rautatiekatu 13, 00100 HELSINKI 10, 



Finland 

 PANIGEL, M.; Dr.Med., D.Sc, Prof. - Lab. de Biol, de la Reprod., Univ. P.et M.Curie, Tour 32, Rez 



de Chaussee, 4 place Jussieu, 75230 PARIS Cedex 05, France 

 a Physiology of fetal-maternal exchange. Macaca mulatta, M. fascicularis, Papio cynocephalus 



(Primates) 

 b Ultrastructure of the placental membrane. Same species as a and Galago demidovi (Primates) 

 c Ultrastructure of trophoblast during pathological pregnancy. Homo sapiens (Primates) 

 PANNESE, E.; M.D., Prof. - 2nd Inst, of Human Anat., Univ. of Milano, Via MangiagaHi 14, 20133 



MILANO, Italy 

 a Morphology and histochemistry at the electron microscope level of the degenerative events in 



embryonic spinal ganglia. Gallus gallus (Aves) 

 PANOVA, 1. G. - Inst, of Devi. Biol., USSR Acad, of Sci., Vavilov St.26, MOSCOW 1 1 7334, U.S.S.R. 

 a Dependence of DNA synthesis and cell proliferation in pigment epithelium of the retina upon 



general growth factors of the eye. Rattus norvegicus (Rodentia) (with O. G. STROEVA and T. L. 



MARSHAK) 

 PANTELOURIS, E. M.; Ph.D. Biol. Dept., School of Biol. Sci., Univ. of Strathclyde, George St., 



Gl ASGOW Gl IXW, Scotland, U.K. 

 a Immunobiology of the athymic mutant nude. Mus musculus (Rodentia) 

 b Development of lymphoid tissues and immune responses. Same species as a 

 c Biological aspects of ageing 



PAPILLON, Mrs. M. - U.E.R. de Biol.-Zool., Univ. Paris VI, 105 Bd. Raspail, 75006 PARIS, France 

 a Inllucnce de la temperature sur la fertilite des pontes, et sur Fhistologie et le fonctionnement de 



Pappareil genital. Schistoccrca gregaria (Orthoptera) 

 b Dynamics of oogenesis in relation to breeding temperature. Same species as a 

 c Influence of breeding temperature upon protein patterns in hacmolymph, fat body, and oocytes 



(electrophoresis). Same species as a 

 PARISH, R. W.; Ph.D. - Cytol. Lab., Inst, of Gen. Bot., Univ. of Zurich, Birchst.95, 8050 ZURICH, 



Switzerland 

 a The roles of cell contacts, plasma membrane, transcriptional and posttranscriptional controls in 



cell differentiation. Dictyostelium spec, Polyspliondylium .spec. (Acrasiales) 

 PARISI, E. - Lab. of Molcc. Embryol., Consiglio Naz. delle Ricerche, Via Toiano 2, ARCO FELICE, 



C.P.3042, 80100 NAPOLI, Italy 

 a Enzymes controlling DNA synthesis in developing embryos. Paracentrotus lividus (Echinoidea) 

 PARSONS, R.; Ph.D. Muse. Dystrophy Res. Labs., Newcastle Gen. Hosp., NEWCASTLE upon Tyne 



NE4 6Bi;, England 

 a Aggregation of single cells from normal and dystrophic newborn and embryonic animals with 



gyratory shaking; biochemistry of enzyme system differentiation of aggregates. Mus musculus 



(Rodentia) 



78 



