VERDIER, G. P. J.; Dr.spec. - Dept. de Biol. Gen. et Appl., Univ. de Lyon I, 43 Bd. du 1 1 Novembre 



1918, 69621 VILLEURBANNE, France 

 a iTiRNA metabolism during development of chloroplast induced by illumination. Euglena gracilis 



(Euglenophyceae) 

 VERDONK, N. H.; Ph.D., Prof. - Zool. Lab., State Univ. of Utrecht, Transitorium III, Padualaan 8, 



UTRECHT, Netherlands 

 a Determination of bilateral symmetry in the head region. Lymnaea stagnalis (Gastropoda) 

 b Germinal locaUzation in eggs. Various spp. (Mollusca) 

 c Cellular interactions in early development. Various spp. (Mollusca) 

 VEREISKAYA, Miss V. N.; Cand.biol.sci. - Lab. of Developm. Cytogenet., Inst, of Developm. Biol., 



Acad, of Sci. of the U.S.S.R., Vavilov St. 26, MOSCOW 1 17334, U.S.S.R. 

 VERHOFSTAD, A. A. J.; Med.drs. - Dept. of Anat. and Embryol., Univ. of Nijmegen, Geert 



Grooteplein N. 21, NIJMEGEN, Netherlands 

 a Differentiation of epinephrine- and nor-epinephrine-containing cells in the adrenal medulla, 



(histochemistry). Mus rattus (Rodentia) 

 VERNET, G.; Dr.Biol. - Lab. de Biol. Cell., Univ. de Reims, B.P.347, 51062 REIMS Cedex, France 

 VETTERLEIN, Miss M.; M.B. - Inst, fiir Krebsforsch., Univ. Wien, Borschkegasse 8a, Postfach 72, 



A-1090 WIEN, Austria 

 a Enzyme induction in embryonic and adult liver cells in vitro by steroid hormones. Rattus 



norvegicus (Rodentia) 

 VIELL, B.'; Dr.rer.nat. - Inst, fur Entw.physiol., Univ. zu Koln, Gyrhofstr. 17, 5 KOLN 41, B.R.D. 



(Germany) 

 a Biochemical aspects of differentiation in the wing. Riella helicophylla (Hepaticae) 

 b Protein and amino acid metabolism during the first stages of regeneration (embryonalization). 



Same species as a 

 VIJVERBERG, A. J.; Dr. - Unit of Cell Biol, and Morphogen., Zool. Lab., Univ. of Leiden, Kaiserstr. 



63, LEIDEN, Netherlands 

 a Proliferation (mitoses) and DNA synthesis in imaginal discs (autoradiography). Calliphora 



erythrocephala. (Diptera) 

 b Influence of X-irradiation, ecdysterone and juvenile hormone on morphogenesis of imaginal discs. 



Same species as a 

 VILANOVA TRIAS, J. - Dept. of Anat., Univ. of Barcelona, C/.Casanova 143, BARCELONA 11, 



Spain 

 a Biochemical changes in cerebrospinal fluid during embryonic development. Gallus domesticus 



(Aves) 

 VILLA, Miss L.; Dr.Sci. - Zool. Inst., Univ. of Palermo, Via Archirafi 18, 90123 PALERMO, Italy 

 a Ultrastructure of spermatogenesis, spermatozoa, and fertihzation. Ascidia malaca, Molgula 



impura, Ciona intestinalis (Ascidiacea) 

 b Ultrastructure of oocyte and egg development. Chaetopterus spec, Sternaspis spec. (Polychaeta) 

 VINCE, Miss M. A.; B.A. - Psychol. Lab., Univ. of Cambridge, Downing St., CAMBRIDGE CB2 3EB, 



England 

 a Responsiveness in the embryo. (Aves) 



b Responsiveness in the foetus. Homo sapiens and other spp. (Mammaha) 

 VIRTANEN, I. Lab. of Exp. Embryol., III. Dept. of PathoL, Univ. of Helsinki, Haartmaninkatu 3, 



00290 HELSINKI 29, Finland 

 a Frecze-etching electron microscopy of ribosome-membrane association in liver cells. Rattus spec. 



(Rodentia) (with J. J. WARTIOVAARA) 

 VITTORELLl, Miss M. L.; Dr.Biol. - 1st. di Anat. Comp., Univ. di Palermo, Via Archirafi 20, 90123 



PALERMO, Italy 

 a DNA synthesis in dissociated embryonic cells and in embryonic mitochondria. Paracentrotus 



lividus (Echinoidea) 

 b Isolation of blastula cell membranes and detection of enzymatic activities. Same species as a 

 c Detection of cyclic AMP in embryos and in dissociated embryonic cells. Same species as a 

 VIZA, D.; M.D. - Lab. dTmmunobiol., Pathol. Gen. ct Exper., Fac. de Med. Pitie-Salpetrierc, 105 



Bd.de I'Hopital, 75634 PARIS Cedex 13, France 

 a Cytostatic effects of antibodies against embryonic and tumour-specific cell-surface antigens on 



cells cultured in vitro. Mus musculus (Rodentia), Homo sapiens (Primates) 

 b Control of cell growth in vitro by solubihzed cell-surface material obtained from homologous 



embryonic and tumour cells and from heterologous cells. Same species as a 

 VOLLMAR, H.; Dr.rer.nat. - Biol. Inst. I (Zool.) der Univ.. Katharinenstr. 20, 78 FREIBURG, B.R.D. 



(Germany) 

 VOLLRATH, L.; Dr.med., o.Prof. ^ Anat. Inst, der Univ., Saarstr.19-21 , 6500 MAINZ, B.R.D. 



(Germany) 

 a Development of pineal gland. Rattus spec, Cavia norcellus (Rodentia) 

 VREEZEN, Miss W. J.; Drs. - Genet. Lab., State Univ., Kaiserstr. 63, LEIDEN, Netherlands 

 a Selection on asymmetrical wing development. Drosophila melanogaster (Diptera) 

 VRIES, O. M. H. de; Dr. - Lab. of Bot., State Univ., Kerklaan 30, P.O. Box 14, HAREN (Gr.), 



Netherlands 

 a Biochemistry of wall formation, using extracts and protoplasts. Schizophyllum commune 



(Basidiomycetes, Fungi) 

 b Genome activity during development. Same species as a 

 VUJANOVIC, N. L.; M.D. - Immunol. Res. Center, Univ. of Belgrade, Vojvode Stepe 458, P.O. Box 



979. 1 1000 BEOGRAD, Yugoslavia 



104 



