Urb-Vis 



URBANI, E. M.I.I.E., Prof. — Inst, di Zool. e Anat. Comp., Univ. di Came- 

 rino, CAMERINO, Italia 



a. Biochimica dello sviluppo embrionale e della metamorfosi. (Insecta; Am- 

 phibia) 



b. Enzimologia e biochimica delle forme aploidi, diploidi, poliploidi. (Crusta- 

 cea; Mammalia) 



URBANI (MISTRUZZI), Mrs. L. Dott. — 1st. di Zool. e Anat. Comp., 



Univ. di Camerino, CAMERINO, Italia 

 URSPRUNG, H. Ph.D. — Dept. of Biol., Johns Hopkins Univ., Charles and 



34th Sts., BALTIMORE 18, Md., U.S.A. 

 a. Biochemical studies on differentiation. Rana pipiens (Anura) , Mus mus- 



culus (Rodentia) 

 VACEK, Z. MUDr. — Embryolog. ustav lekafske fak., Univ. Karlovy, 



Albertov 4, PRAHA 2, Czechoslovakia 



a. Development of the innervation of the gonads. Homo sapiens (Primates) 



b. Experimental analysis of the development of the autonomic nervous 

 system. Gallus domesticus (Aves) 



c. Comparative placentology. (Mammalia) 



VAHS, W. Dr.phil. — Zool. Inst, der Univ. Koln, Kerpenerstr. 13, KOLN- 

 Lindenthal, Deutsche Bundesrepublik 



a. Histochemische Untersuchung der Induktionsvorgange. Triturus spec. 

 (Urodela) 



b. Biochemie und Cytochemie der Dotternutzung. Triturus spec. (Urodela) 



VAINIO, E. T. M.D. — Dept. of Physiol. Zool.. Univ. of Helsinki, Arka- 

 diankatu 7, HELSINKI, Finland 



a. The immunological properties of heterogenous inductors. (Amphibia) 



b. The antigenicity of different germinal layers. Triturus spec. (Urodela) 



c. The mechanism of the primary induction. Triturus spec. (Urodela) (in 

 collaboration with S. I. TOIVONEN and L. O. SAXfiN) 



VAKAET, L. C. M.D., M.I.I.E. — Lab. of Anat., Fac. of Med., Univ. of 

 Gent, Bylokekaai 1, GENT, Belgium 



a. Early development. Gallus domesticus (Aves) 



b. Fetal and neonatal endocrinology. Mus musculus albinus (Rodentia) 

 VALMIN, K. M.K. — Tornblad-Inst. for comp. Embryol., Biskopsgatan 7, 



LUND, Sweden 

 a. DNA-synthesis in embryonic brain. Gallus domesticus (Aves) 



VANDEBROEK, G. Dr.Sc, M.I.I.E., Prof. — Lab. d'Embryol, Inst, de 

 Zool., Univ. de Louvain, 71 Rue de Namur, LOUVAIN, Belgique 



VANDERH AEGHE ( HOUGARD Y ) , Mrs. F. Dr. en Sci. — Lab. de Mor- 

 phol. anim., Univ. libre de Bruxelles, 1850 Chaussee de Wavre, 

 BRUXELLES-Auderghem, Belgique 

 a. Nucleo-cytoplasmic relations in normal and tumour (Ascites) cells. 



VANNINI, E. Dr., M.I.I.E., Prof . — 1st. di Zool., Via S. Giacomo 9, BO- 

 LOGNA, Italia 



a. Experimental analysis of the development of the gonad and Bidder's 

 organ. Bufo spec. (Amphibia) 



b. Sexual and asexual reproductive cycles and regeneration. Salmacina in- 

 crustans, S. dysteri (Polychaeta) 



VAUPEL, M. R. A.B., Ph.D. — Dept. of Anat., Tulane Univ., NEW OR- 

 LEANS 18, La., U.S.A. 



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