5, 12000 PR AH A 2, Czechoslovakia 

 a Action of juvenile hormone analogues on embryo development. Pyrrhocoris apterus and other 



spp. (Heteroptera) . 



b Hormonal control of metamorphosis - comparative study on the action of analogues ot juvenile 



hormone and ecdysone; interactions of these hormones; study of hormone action using genetic 



methods. Pyrrhocoris apterus, Dysdercus cingulatus (Heteroptera), Tenebrio molitor, Dermestes 



vulpinus (Coleoptera) 

 SL1PKA, J. Dr.Med., Dr.rer.nat., C.Sc. - Inst, of Histol. and Embryol., Charles Univ., Karlovarska 



48,PLZEN, Czechoslovakia 

 a The development and teratology of the branchial region. (Amniota, incl. Homo sapiens) 

 b The development of the bursa pharyngea from the standpoint of evolutionary morphology. 



Homo sapiens (Primates) 

 SMART, I. H. M. M.B.; Ch.B. - Dept. of Anat., Univ. of Dundee, DUNDEE DD1 4HN, Scotland, 



U.K. 

 a Histogenesis of nerve cells and neuroglia. Mus musculus (Rodentia) 

 b Studies on the geometry of the egg. Various spp. (Aves) 

 SMIRNOVA, Mrs. E. I. Cand.biol.sci. - Chair of Embryol., Biol. Fac, State Univ. of Moscow, Lenm 



Hills, MOSCOW 1 17234, U.S.S.R. 

 a Teratogenesis. Mus musculus, Rattus spec. (Rodentia) 

 SMITH (FARKAS), Mrs. A. F. Ph.D. - Dept. of Anat., Med. School, Univ. ot Birmingham, 



Edgbaston, BIRMINGHAM B15 2TJ, England 

 a Ultrastructure of implantation. Mus musculus (Rodentia) 

 b Implantation and embryonic development under different hormonal regimes. Mus musculus 



(Rodentia) 

 SMITH, E. J. C. Ph.D. - Inst. d'Embryol. et Teratol. Exper. du C.N.R.S., 49bis Av. de la Belle 



Gabrielle, 94130 NOGENT-sur-MARNE, France 

 a Growth factors necessary for the survival and growth of malignant tumours in organ culture. 



Gallus gallus (Aves) (with Et. WOLFF and Em. WOLFF) 

 b Protein patterns in imaginal discs. Drosophila melanogaster (Diptera) (with P. SIMPSON) 

 SMYTH, J. D. Sc.D., Prof. - Dept. of Zool. & Appl. Entomol., Imp. Coll. of Sci. & Technol., Prince 



Consort Rd., LONDON SW7 2BB, England 

 a In vitro differentiation. Echinococcus granulosus and other spp. (Cestoda) 

 SNOW, M. H. L. Ph.D. - Inst, of Anim. Genet., Univ. of Edinburgh, West Mains Rd., EDINBURGH 



EH9 3JN, Scotland, U.K. 

 a Differentiation in preimplantation stages (1 to 150 cells) in vivo and in vitro. Mus musculus 



(Rodentia) 

 b The interaction of genotypes in embryos of mixed genotypes in relation to implantation. Mus 



musculus (Rodentia) 

 c Effects of heteroploidy, especially on embryonic development. Mus musculus (Rodentia) 

 SOBOTKA, P. M.D., CSc. - Inst, of Pathophysiol., Charles Univ., Lidicka 1, 306 05 PLZEN, 



Czechoslovakia 

 a Influence of amino acids, newly synthesized drugs, and other substances on electrogenesis ot the 



central nervous system during early postnatal development. Rattus norvegicus (Rodentia) 

 SOLOGUB, Mrs. A. A. Cand.biol.sci. - Inst, of Developm. Biol., Acad, of Sci. of the USSR, Vavilov 



St.26, MOSCOW 1 17334, U.S.S.R. 

 a Metaplastic potencies of embryonic and larval eye for lens and retina regeneration. Anoptichthys 



jordani (Teleostei) (with G. V. LOPASHOV) 

 b Stimulation of metaplasia of the pigment epithelium of the larval and adult eye. Xenopus laevis 



(Anura), Leuciscus bergi (Teleostei) 

 c Stimulation of metaplasia of the pure pigmented epithelium of adults into retina by means ot 



agents from newly differentiated retina. Rattus norvegicus (Rodentia) (with G. V. LOPASHOV) 

 d Change in the spectrum of inductive abilities in the course of the differentiation of retina. Rana 



temporaria, Xenopus laevis (Anura), (with O. H. HOPERSKAYA) 

 SOLOMON, J. B. Ph.D., D.Sc. - Immunol. Sect., Dept. of Bacteriol., Univ. of Aberdeen, 



Foresterhill, ABERDEEN AB9 2ZD, Scotland, U.K. 

 a Onset of immunocompetence by phytohaemagglutinin-induced transformation of foetal 



lymphoid cells and haemolytic plaque-forming cells in vitro. Rattus norvegicus, Cavia porcellus 



(Rodentia) - * 



SOLTER, D. M.D., D.Sc. - Inst, of Biol., Fac. of Med., Univ. of Zagreb, Salata 3, P.O.Box 166, 



41001 ZAGREB, Yugoslavia 

 a Preimplantation and early post-implantation stages; autoradiography, histochemistry, electron 



microscopy. Rattus norvegicus, Mus musculus (Rodentia) (with I. DAMJANOV and N. SKREB) 

 b Differentiation of early post-implantation stages under the kidney capsule, teratocarcinogenesis, 



nature of embryonal carcinoma cells; transplantation, electron microscopy. Mus musculus 



(Rodentia) (with I. DAMJANOV and N. SKREB) 

 c Protein patterns in embryo-derived teratocarcinomas and in host serum (polyacrylamide 



electrophoresis). Same species as b (with D. §ERMAN) 

 d Urethan teratogenesis in early embryos (histochemistry, electron microscopy). Same species as b 



(with I. DAMJANOV) 

 SOLTYNSKA (MARCINKOWSKA), Mrs. M. Dr. - Dept. of Cytol., Zool. Inst., Warsaw Univ., 



Krakowskie Przedmiescie 26/28, WARSZAWA 64, Poland 

 a Ultrastructure of cell differentiation. (Turbellaria) , , 



SOPINSKI, M. M.B. - Dept. of Histol. and Embryol., Acad, of Med., ul.Narutowicza 60, LODZ, 



Poland 



92 



