SCHOWING, J.; D.Sc, Prof. - Dept. d'Embryol. et Teratol. Exp., Inst, de Biol. Anim., Fac. des Sci., 



Univ. de Fribourg, 1700 FRIBOURG, Switzerland 

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

 b Action des alcaloides de liliacees sur la morphogenese de la tete. Gallus gallus (Aves), Mus 



musculus (Rodentia) 

 c Lesions par substances toxiques. Especes comme b 

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



veld, NIJMEGEN, Netherlands 

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

 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 (Primates) 

 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 Hormonal regulation of thyroid activity. Ambystoma mexicanum (Urodela) 

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



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

 SCHOPBACH, Ms. T. - Zool.-Vergl. Anat. Inst., Univ. Zurich, Kunstlergasse 16, 8006 ZURICH, 



Switzerland 

 a Fate map of the genital disc in gynandromorphs. Drosophila melanogaster (Diptera) 

 b Larval hypoderm in gynandromorphs. Same species as a 

 SCHURMANN, F. W.; Dr. - Lehrst. Exper. Morphol., Zool. Inst, der Univ. zu Koln, Weyertal 119, 



5000 KOLN 41, B.R.D. (Germany) 

 a Metamorphosis of the brain: growth of mushroom bodies, synaptogenesis. Apis meUifera 



(Hymenoptera) 

 b Regeneration of motor neurons and sensory cells. Acheta domesticus, GryUus campestris 



(Orthoptera) 

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

 a Development of macronuclear anlagen. Paramecium bursaria (Ciliata) 

 SCHWEIGER, H. G.; Dr.med., Prof. - Max-Planck-Inst. fur Zellbiol., Anton-Dohrn-Weg, Postfach 



1009, 294 WILHELMSHAVEN, 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 Cooperation between different subcellular components in morphogenesis. (Algae) 

 SCHWOCHAU, M. E.; Dr.rer.nat., Prof. - Inst, fur AUgem. 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 

 a RNA synthesis in early development. Paracentrotus lividus (Echinoidea) 

 b Giant RNA in the cytoplasm of embryos. Same species as a 

 c "Capping" of RNA. Same species as a 

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



00161 ROMA, Italy 

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



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

 a Developmental abnormalities 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 CoU., Aberdeen Univ., ABERDEEN AB9 IAS, 



Scotland, U.K. 

 a Sporulation characteristics in wild-type and antibiotic-negative mutants. Bacillus brevis (Bacteria) 

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



Albertov 5, 12800 PRAHA 2, Czechoslovakia 

 a Development of spontaneous and evoked phasic activity and of central excitation and inhibition 



in the central nervous system in the prenatal period. (Aves) 

 b Neuropharmacology of embryonic spontaneous motility. (Aves) 



SEICHERT, v.; MUDr. - Dept. of Anat., Charles Univ., U nemocnice 3, 12800 PRAHA 2, Czechoslo- 

 vakia 

 a Experimental analysis of limb formation. Gallus domesticus (Aves) 

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



W.Germany 

 SEKERIS, C. E.; Ph.D., Prof. - Inst, of Cell Res., German Cane. Res. Ctr., Im Neuenheimer Feld 280, 



Postfach 101949, 69 HEIDELBERG 1, B.R.D. (Germany) 



93 



