a Morphogenese du crane et induction cephalique. Gallus gallus (Aves) 



b Lesions par substances toxiqucs. Gallus gallus (Aves), Mus musculus (Rodentia) 



SCHRAUWEN, J. A. M.; Drs. - Sect. Molec. Developm. Biol., Dept. of Bot., Cathol. Univ., Toernooi- 



veld, NIJMEGEN, Netherlands 

 a Interaction processes after fusion of different strains. Physarum polycephalum (Myxomycetes) 

 SCHREIBER, B.;Prof. - 1st. di Zool., Univ. di Parma, Via Universita 12, 43100 PARMA, Italy 

 SCHROEDER, H. E.; Dr.med.dent., Prof. - Zahnarztl. Inst., Abt. Orale Strukturbiol., Univ. Zurich, 



Plattenstr. 11, 8028 ZURICH, Switzerland 

 a Development of oral tissues, especially tooth papilla, pulp and mucous membrane (microscopy, 



stereology. 3-dimensional reconstructions). Homo sapiens (Priinates) 

 b Frequency and type of epithelia remnants (cyst) and temporary epithelial proliferations (without 



function) in the oral cavity during fetal development 

 SCHULTHEISS, H.; Dr. - Zool. Inst.II, Univ. (T.H.) Kaiserstr. 12, Postfach 6380, 75 KARLSRUHE 1, 



B.R.D. (Germany) 

 a Regulation of nitrogen metabolism by hormones during metamorphosis. Ambystoma spec. 



(Urodela), Xenopus laevis (Anura) 

 b Regulation of the skin diffusional permeability to water by hormones during metamorphosis. 



Same species as a 

 c Regulation of thyroid activity. Ambystoma mexicanum (Urodela), Rana esculenta, R. temporaria 



Xenopus laevis (Anura) . 



SCHUMACHER, G. H.; Dr.sc.med., Dr.med.dent., Prof. - Anat. Inst., Wilhehn-Pieck Univ., Ger- 



trudenstr. 9. 25 ROSTOCK 1, D.D.R. (Germany) 

 SCHUPBACH Ms. T. - Zool. Inst, der Univ. Zurich, Winterthurerstr. 190, 8057 ZURICH, Switzerland 

 SCHWARTZ, v.; Dr.rer.nat., Prof. (Emer.) - Wolfgang Stock Str. 2, 7400 TUBINGEN, B.R.D. 



(Germany) 

 a Synthetic activity of the components of the macronucleus in the cell cycle. Paramecium bursaria 



(Ciliata) 

 SCHWEIGER, H. G.; Dr.med., Prof. - Max-Planck Inst, fur Zellbiol., Rosenhof, 6802 LADENBURG 



bei Heidelberg, B.R.D. (Germany) 

 a Biochemical aspects of nucleo-cytoplasmic interrelationships. Acetabularia spec. (Chlorophyceae) 

 b Autonomy of chloroplasts (Algae) 

 c RNA synthesis in nucleate and anucleate cells. (Algae) 



d Co-operation between different subcellular components in morphogenesis. (Algae) 

 SCHWOCHAU, M. E.; Dr.rer.nat., Prof. - Inst, fur Allgem. Biol., Univ. Dusseldorf, Universitatsstr. 1, 



4000 DUSSELDORF, B.R.D. (Germany) 

 a Molecular biology and genetics of the Y-chromosome. Drosophila spp. (Diptera) 

 SCONZO, Ms. G. - 1st. di Anat. Comp., Univ. di Palermo, Via Archirafi 20, 90123 PALERMO, Italy 

 SCOPELLITI, R.; Dr.Biol.Sci. - 1st. di Zool. "F. Raffaele", Univ. di Roma, Viale dell'Universita 32, 



00161 ROMA, Italy 

 a Activation of protein synthesis during embryonic development. Bufo bufo (Anura) 

 b Electrophoresis of acetylcholinesterases in embryonic adrenal glands. Same species as a, and 



Gallus domesticus (Aves) 

 SCRIBA, M. E. L.: Ph.D., Prof. - Inst. fUr Zool., Rhein.-Westf.-Techn. Hochschule, Kopernikusstr. 16, 



51 AACHEN, B.R.D. (Germany) 

 a Developmental abnormahties caused by lethal factors. Drosophila melanogaster (Diptera) 

 b Comparative histology of cortical granules in oocytes. (Teleostei) 

 SEARLE, R. F.; 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) 

 SEDDON, B.; Ph.D. - Dept. of Devi. Biol., Marischal Coll., Univ. of Aberdeen, ABERDEEN AB9 IAS, 



Scotland, U.K. 

 a Role of peptide antibiotics during development. Bacillus spec. (Bacteria) 

 b Biochemical and hormonal aspects of regulation of metaboHsm in rapidly changing developmental 



systems: dormancy /germination and oocyte maturation/fertilisation 

 c Hormonal control of hepatic enzymes in development 

 SEDLAd'EKi J.; M. D., Ph.D. - Div. of Embryophysiol. CNS, Res. Lab. of Psychiat., Charles Univ., 



Alberto'v 5, 128 00 PRAHA 2, Czechoslovakia 

 a Neuropharmacology of embryonic spontaneous motility. Gallus domesticus (Aves) 

 b Spontaneous activity of spinal motor neurons in decapitated embryos (neuropharmacology). 



Same species as a , ^ ■ , ^ , * * «• 



c Participation of catecholaminergic and serotoninergic systems m the functional central structure ot 



embryonic spontaneous motility. Same species as a ,-.o ,^r.n nr, au a -. 



SEICHERT, v.; MUDr., Doc. - Dept. of Anat., Charles Univ., U.nemocnice 3, 128 000 PRAHA 2, 



Czechoslovakia 

 a Experimentalanalysisof limb formation. Gallus domesticus (Aves) ^,, „.„,,,, r,^ ,t u 



SEIDEL, F.; Dr.phil., Prof. (Emer.) - Zool. Inst, der Univ., Ketzerbach 63, 355 MARBURG/Lahn, 



B.R.D. (Germany) ^ . w •. ,. . .• ^o 



SEKERIS, C. E.; Prof. - Ctr. of Biol. Res., Natl. Hellenic Res. Found., Vassil. Konstantinou 48, 



ATHENS 501/1, Greece ^ „. ^ 



a Transcription of DNA from epidermis by DNA-dependent RNA polymerases. CaUiphora erythro- 



cephala (Diptera) 

 b Translation of mRNA in a homologous in vitro system. Same species as a 



101 



