a Genetical aspects of protein and enzyme differentiation. Pleurodeles waltl (Urodela) (with V. 



FERRIER and A. JAYLET) 

 b Gene expression in interspecific hybrids. Bufo spec. (Anura) (with R. SIBOULET) 

 GATEFF (ZOLLIKOFER), Ms. E. A.; Ph.D. - Biol. Inst. I (Zool.) der Univ., Albertstr. 21a, 78 



FREIBURG, BRD (Germany) 

 a Normal and abnormal (neoplastic) development of nervous system, imaginal discs and hemato- 

 poietic system (tissue culture). DrosophUa melanogaster (Diptera) 

 b Analysis of genetically controlled neoplasms. Same species as a 

 GAUB-PLICHON, Ms. M. P.; Dr.3e cycle - Lab. de Biol, du Devi., Univ. Paris V (Rene Descartes), 



45 Rue des Sts. Peres, 75270 PARIS Cedex 06, France 

 a Nucleo-cytoplasmic interactions during development of hybrids. Amby stoma mexicanum, A. 



dumerilii (Urodela) 

 GAUDECKER, Ms. B. von; Dr.rer.nat. - Anat. Inst., Med.Fak., Univ., Olshausenstr. 40-60, 2300 KIEL, 



DBR (Germany) 

 a Ultrastructure and histochemistry of prepupal and pupal salivary glands. Drosophila melanogaster 



(Diptera) 

 b Development of the lymphatic system including thymus, lymph nodes, tonsils and spleen. Homo 



sapiens (Primates) 

 GAUNT, S. J.;B.Sc. - Dept. of Zool., Univ. of Oxford, South Parks Rd., OXFORD 0X1 3PS, England 

 a Production of monoclonal antibodies to surface determinants on teratocarcinoma cells; testing 



for cross reaction with embryos; assessment as markers of differentiation and blockers of cell 



functions and embryonic development. Mus musculus (Rodentia) 

 b Metabolic co-operation between teratocarcinoma cells and cells taken from early embryos through 



gap junctions. Same species as a 

 GAZARYAN, K. G.; Dr.biol., Prof. - Chair of Embryol., Biol. Fac, State Univ. of Moscow, Lenin 



Hills, MOSCOW 117234, USSR 

 a Genome structure and genome expression in early embryos and differentiating cells. Misgurnus 



fossilis (Teleostei), Drosophila melanogaster (Diptera), Columba livia (Aves), Mus musculus (Ro- 

 dentia) 

 GEBHARDT, D. O. E.; Ph.D. - Dept. of Obstet. and Gynecol., State Univ., Acad. Hosp., Rijnsburger- 



weg 10, 2333 AA LEIDEN, Netherlands 

 a Amniotic fluid analysis. Homo sapiens (Primates) 

 b Analysis of urinary estrogens during pregnancy. Same species as a 

 GEHRING, W. J.; Ph.D., Prof. - Abt. Zellbiol., Biozentrum der Univ., Klingelbergstr. 70, 4056 BASEL, 



Switzerland 

 a Cell determination and differentiation in embryos and imaginal discs; gene cloning. Drosophila 



spec. (Diptera) 

 GEILENKIRCHEN, W. L. M.; Ph.D. - Zool. Lab., State Univ. of Utrecht, Transitorium III, Padualaan 



8, 3584 CH UTRECHT, Netherlands 

 GENDEREN, H. H. van; Drs. - Bot. Lab., State Univ., Lange Nieuwstr. 106, 3512 PN UTRECHT, 



Netherlands 

 a Regeneration. Silene alba (Caryophyllaceae) 



b Influence of flavonoids on the development of flower form. Same species as a 

 G^NIS-GALVEZ, J. M.; Med.Dr., Ph.D., Prof. - Lab. of Exp. Embryol., Dept. of Anat., Fac. of Med., 



Univ. of Sevilla, SEVILLA, Spain 

 a Histogenesis of the retina: ultrastructure of photoreceptors; oil droplets. Gallus gallus (Aves) 

 GENNSER, G.; M.D., Assoc. Prof. - Dept.of Obstet. & Gynecol., Kvinnokliniken, Allmanna sjukhuset, 



214 01 MALMO 8, Sweden 

 a Enzymology of placenta and amniotic fluid. Homo sapiens (Primates) 

 b Fetal breathing movements: influence of drugs and smoking; relation to postnatal breathing; 



regulating mechanisms (ultrasonic technique). Same species as a 

 c Endocrinology of feto-placental unit: pituitary -adrenal axis; influence of synthetic steroids; rela- 

 tion to onset of parturition. Same species as a 

 d Fetal rhythms (natural, influences by external stimuli). Same species as a 

 GEORGES, Ms. D.; D.Sc. - Lab. de Zool. et Biol. Anim., Univ. Sci. et Med. de Grenoble, B.P. 53, 



38041 GRENOBLE, France 

 a Electron microscopy of cell junctions before and after metamorphosis. (Tunicata) 

 b Development of photoreceptor organ and neural complex in larvae and during metamorphosis 



(transmission and scanning electron microscopy). (Tunicata) 

 c Detection of vertebrate-like hormones in the neural complex by immunofluorescence. Gona 



intestinalis (Tunicata) 

 d Localization of collagen in developing skin by type-specific antibodies. Gallus gallus (Aves) 

 GERACI, G.; Ph.D. - Lab. of Molec. Embryol., Consigho Naz. delle Ricerche, Via Toiano 2, ARCO 



FELICE, C.P. 3042, 80100 NAPOLI, Italy 

 a Hemoglobins of the developing embryo and their locahsation in the erythrocytes; DNA of globin 



genes 

 b Comparison of chromatin organisation in sperm cells and in embryonic nuclei. Paiacentrotus 



lividus, Sphaerechinus granularis (Echinoidea) 

 GERARD, H. - Lab. d'Embryol., Univ. de Nancy I, B.P. 1080, 54019 NANCY Cedex, France 

 GERISCH, G.; Dr.rer.nat. - Max-Planck-Inst. fur Biochem., 8033 MARTINSRIED, BRD (Germany) 

 a Differentiation of cell membranes. Dictyostelium discoideum (Acrasiales) 

 b Immunochemical studies on cell differentiation. Same species as a 

 c Generation and recognition of periodic cyclic- AMP signals. Same species as a 



44 



