b Long-term culture in vitro of associations of embryonic skin and spinal ganglia. Gallus gallus, 



VERWER V w'^. h"; D^- N?tiierl. Inst, for Brain Res., IJdijk 28, 1095 KJ AMSTERDAM, Netherlands 

 a Adap'tabUity of the nervous system of (adult) organisms, compared with normal development. 



Rattus norvegicus (Rodentia) o n *<• u -7-1 



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



A-1090WIEN, Austria . , .^ , ^ ^^ 



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



norvegicus (Rodentia) ^ . ^ . ^ ^ ,rr.i xi ^ 1 d o n 



VIELL, B.; Drjer.nat. - Inst, fur Entw.physiol., Univ. zu Koln, Gyrhofstr. 17, 5 KOLN 41, B.K.U. 



(Germany) 



a Biochemical aspects of differentiation. Riella helicophylla (Hepaticae) 

 b Protein and amino acid metabolism during the first stages of regeneration. Same species as a 

 VIJVERBERG, A. J.; Dr. - Zool. Lab., Unit of CeU Biol, and Morphogen., State Univ., Kaiserstr. 63, 



Postbus 9516, 2300 R A LEIDEN, Netlierlands , . ^ „. ^ 



a ProUferation (mitoses) and DNA synthesis in imaginal discs (autoradiography). Calliphora ery thro- 



cephala (Diptera) . ^. . , ,• o 



b Influence of ecdysterone and juvenile hormone on morphogenesis of imagmal discs. Same species 



VILa'w, J. P. - Lab. d'Embryol., Univ. des Sci. et Techn. de Lille, B.P. 36, 59650 VILLENEUVE 

 D'ASCQ, France 



a Declenchement de la maturation des ovocytes; evolution de la permeabilite lonique membranau-e 

 pendant la maturation. Pleurodeles waltl, Ambystoma mexicanum (Urodela) 



VILANOVA TRIAS, J. - Dept. of Anat., Univ. of Barcelona, C/ .Casanova 143, BARCELONA 36, 



Spain , . ,. ^ • • X, 1 



a Stability of differentiation in teratocarcinomas (embryonal bodies) m vivo. Mus musculus 



(Rodentia) . , rx 1 ^ 



b Stabihty of differentiation m epidermal stem cells in vivo. Oryctolagus cumculus (Lagomorpha) 

 VILJANTO, J.; M.D. - Dept. of Forensic Med., Univ. of Turku, Kiinamyllynkatu 10, 20520 TURKU 



also: Dept. of Pediat., Div. of Surg., Centr. Hosp., Kiinamyllynkatu 4-8, 20520 TURKU 52, 



Finland . • .^ n x— . ^u j 



a Biological sequences in regeneration of subcutaneous connective tissue, usmg Cellstic method: 

 cells in the exudate are harvested in cellulose sponge, inserted in silastic tubing (histology, histo- 

 chemistry, biochemistry, immunofluorescence). Homo sapiens (Primates) 

 VILLA, Ms. L.; D.Sc. - Zool. Inst., Univ. of Palermo, Via Archirafi 18, 90123 PALERMO, Italy 

 a Ul'trastructure of spermatogenesis, spermiogenesis, spermatozoa and fertiUzation. Phallusia spec, 



Molgula impura, Ascidiella aspersa (Ascidiacea) 

 VINCE, Ms. M. "A.; B.A. - A.R.C. Inst. ofAnim. Physiol., Babraliam, CAMBRIDGE CB2 4AT,England 

 a Effects of prehatching experience on posthatching behaviour. Gallus domesticus (Aves) 

 b Effects of prenatal experience on postnatal behaviour. Cavia porcellus (Rodentia), Ovis aries 



(Artiodactyla) „ ^ • , . o 



VIRTANEN I - Lab. of Exp. Embryol., Dept. of Pathol., Univ. of Helsmki, Haartmamnkatu 3, 



00290 HELSINKI 29, Finland ^^r^xTi^^AM a 



a Cytoskeleton in normal and malignant cells and in differentiated cells, (with S. STENMAN and 



P.LAURILA) ,^. . , . ^. ^^ „„,^- 



VITTORELLI, Ms. M. L.; Dr.biol. - 1st. di Anat. Comp., Univ. di Palermo, Via Archirati 20, 90123 



PALERMO, Italy ^ ^ 



a DNA synthesis in dissociated embryonic cells. Paracentrotus lividus (Echinoidea) 

 b Isolation of contact protein(s). Same species as a 



c Stage and species specificity of contact protein(s). Same species as a ^ ^ .> .^ ,nc 



VIZA D ; M D. - Lab. d'Immunobiol., Pathol. Gen. et Exper., Fac. de Med. Pitie-Salpetriere, 105 



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

 VLASTA B ; Dr. - Dept. of Biol., Charles Univ., Albertov 4, 128 000 PRAHA 2, Czechoslovakia 

 a Phen'otypic interaction of the genetically independent genes determining leg malformation syn- 

 dromes PL and DPL (dominant-polydactyly-luxate). Rattus norvegicus (Rodentia) (with V. KREN) 

 VOGEL, O.; Dr.rer.nat. - BioL Inst. I. (Zool.) der Univ., Albertstr. 21a, 7800 FREIBURG, B.R.D. 

 (Germany) ^ c i- 



a Classical and biochemical aspects of pattern formation. Drosophila spec. (Diptera), buscelis 



plebejus (Homoptera) , ■ r,i ^ 



b Locahsation of development-specific metaboUc activities. EusceUs plebejus (Homoptera) 

 c Influences of electric fields on early development. Same species as a, and Smittia spec. (Diptera) 

 VOGT, H. P.; Dr. - Dept. of Genet, Cathol. Univ., Toernooiveld, 6525 ED NIJMEGEN, Netherlands 

 a Biochemistry of spermiogenesis. Drosophila hydei (Diptera) „ „ ,^ 



VOLLMAR, H.; Dr.rer.nat. - Biol. Inst. I (Zool.) der Univ., Albertstr. 21a, 78 FREIBURG, B.R.D. 



(Germany) 

 a Embryonic determination. Acheta domesticus (Orthoptera) 

 b Morphogenetic movements during early embryogenesis. Same species as a 

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



(Germany) 

 a Development of pineal complex. Mus musculus, Rattus norvegicus, Cavia porcellus, Mesocricetus 



auratus (Rodentia) ^xtt^/^xt n/z-^n- 



VOON, F. C. T.; Dr. - Dept. of Anat. and Embryol., Univ. Coll. London, Gower St., LONDON WCIE 

 6BT, England 



115 



