b Development of liver and hepatic lymphoid tissue. Xenopus laevis (Anura) 



SPREY, Th. E.; Dr. - Zool. Lab., Unit of Cell Biol, and Morphogen., Univ. of Leiden, Kaiserst. 63, 



LEIDEN, Netherlands 

 a Differentiation and development of imaginal discs: L histochemistry; 2. cell death; 3. pattern 



formation. CaUiphora erythrocephala, Drosophila melanogaster (Diptera) 

 SREBRO, Z.; M.D., Ph.D. - Dept. of Biol, and Embryol., Acad, of Med., ul. Kopernika 7, KRAK6W, 



Poland 

 STAGNI, Miss A.; Dr., Prof. - Inst, of Zool., Univ. of Bologna, Via S.Giacomo 9, 40126 BOLOGNA, 



Italy 

 a Sex determination and sex differentiation. Chlorohydra viridissima (Hydroidea) 

 b Cytochemistry and electron microscopy of oogenesis and spermatogenesis. Same species as a 

 c Inhibition by antibiotics of steroid hormone-induced sex-reversal in tadpoles. Rana dalmatina 



(Anura) 

 d Electron microscopy of the relationship between neurosecretion and schizogenesis. Aeolosoma 



spec. (Oligochaeta) 

 STAHL, A.; Dr.es Sci., Prof. - Lab. d'Histol. et Embryol.II, Univ. d'Aix-Marseille, 27 Bd.Jean Mouhn, 



13385 MARSEILLE CEDEX 4, France 

 STANCE, Miss L.; Dr.rer.nat., Prof. - Arbgr. Pflanzenphysiol., Univ. Kassel, Heinrich-PIett-Str.40 35 



KASSEL, B.R.D. (Germany) 

 a Regeneration; activation of nucleic acid and protein metabolism during cell dedifferentiation. 



Riella helicophylla (Hepaticae), prothallia (Fihcinae) 

 b Effects of growth regulators on meristems. Same species a 

 STANIER, Miss M. W.; D.Phil. - A.R.C. Inst, of Anim. Physiol., Brabaham, CAMBRIDGE CB2 4AT, 



England 

 a Permeabihty of foetal bladder in vitro (Ussing-chamber). Ovis aries, Sus scrofa (Artiodactyla) 

 b Water transport in nephron of newborns (micropuncture). Same species as a 

 STANISSTREET, M.; Ph.D. Dept. of Zool., Univ. of Liverpool, Brownlow St., P.O. Box 147, 



LIVERPOOL L69 3BX, England 

 a Biochemistry and morphology of abnormal and normal early development (lithium, electro- 

 phoresis, cell aggregation, protein synthesis). Xenopus laevis (Anura) 

 b Factors affecting regeneration (inhibitors, protein synthesis). Hydra spec. (Hydrozoa) 

 STARK, E. - Pathophysiol. Dept., Inst, of Exp. Med. of the Hung. Acad, of Sci., Szigony u. 43, 



BUDAPEST VIII, Hungary 

 a ACTH production by the fetal hypophysis. Felis domestica (Carnivora), Homo sapiens (Primates) 

 STARRE, H. van der; Drs.biol. - Dept. of Med. Anat. and Embryol., State Univ. of Utrecht, 



Janskerkhof 3A, UTRECHT, Netherlands 

 a Eye lens induction in vitro. Gallus domesticus (Aves) 

 b Histochemistry and immunology of eye lens inductors. Same species as a 

 c Biosynthesis of soluble lens crystallin antigens before and after hatching (isoelectric focusing, 



autoradiography). Same species as a (with S. K. BRAHMA) 

 d Synthesis of soluble proteins in the whole embryo and in the cultured eye cup (disc electro- 

 phoresis, isoelectric focusing, autoradiography). Same species as a (with P. Th. .TANSSEN) 

 STARRE (VAN DER MOLEN), Mrs. L. G. van der; Dr. - Zool. Lab., Unit of Cell Biol, and 



Morphogen., Univ. of Leiden, Kaiserstr. 63, LEIDEN, Netherlands 

 STASTNY, F.; M.D. - Inst, of Physiol., Charles Univ., Albertov 5, 128 00 PRAHA 2, Czechoslovakia 

 a Morphological, biochemical, and functional maturation of the embryonic choroid plexus. Gallus 



domesticus (Aves) 

 b Studies on neurons and ghal cells isolated from the embryonic cerebral hemispheres. Same species 



as a 

 STEDING, G.; Dr.med., Prof. - Embryol. Abt., Anat. Inst, der Univ., Kreuzbergring 36 34 



GOTTINGEN, B.R.D. (Germany) 

 STEEL, C. G. H.; Ph.D. - Imp. Coll. Field Stat., Silwood Park, ASCOT, Berks. SL5 7PY, England 

 a Photoperiod, nervous and hormonal factors regulating polymorphism. Megoura viciae 



(Homoptera) 

 b Neuroendocrine control of moulting and development. Rhodnius prolixus (Heteroptera) 

 STEELE, C. E.; B.Sc.(Hons.) - Dept. of Anat., Univ. of Cambridge, Downing St., CAMBRIDGE 



CB2 3DY, England 

 a Factors affecting embryonic heart development in vitro. Rattus spec. (Rodentia) 

 b Mechanism of teratogenic action of excess vitamin A. Same species as a 

 c Time-lapse microcinematography of embryos in culture. Same species as a 

 STEENBERGEN, C. L. M.; Dr. Limnol. Inst., Rijksstraatweg 6, NIEUWERSLUIS, Netherlands 

 a Mitosis, cytokinesis, and colony formation in synchronous cultures. Scenedesmus obliquus, S. 



quadricauda (Chlorophyceae) 

 STEFANIXLI, A.; Dr., Prof.ord. 1st. di Anat. Comp., Univ. di Roma, Via A.Borelli 50, 00161 



ROMA, Italy 

 a Morphology of new synapses in vitro. Gallus domesticus (Aves) 



b Retinal and neural structures in vitro. Gallus domesticus (Aves), Mus musculus (Rodentia) 

 STEGNER, H.-E.; Dr.med., Prof. Univ.-Frauenklinik, Martinist. 52, 2 HAMBURG 20, B.R.D. 



(Germany) 

 a Uitrastriicture of ovarian interstitial cells, fetal ovaries, and oocytes; oocytes culture in vitro. 



Cavia porccllus, Mus musculus (Rodentia), Oryctolagus cunicuhis (Lagomorpha), Homo sapiens 



(Primates) 

 STEINI'R, E.; Dipl.nat. - Zool.-Vergl. Anat Inst., Univ. Ztirich, Kiinstlergasse 16, 8006 ZURICH, 



Switzerland 



96 



