b The different influences of GABA (7-aminobutyric acid) and some convulsants on the cortical 



auditory responses evoked by acoustic or by electrical stimulation of subcortical structures during 



postnatal development. Same species as a 

 ZAITZEV, A. v.; Cand.biol.sci. - A.N.Scvertzov Inst, of Evol. Morphol. and Ecol. of Animals, Acad. 



of Sci. of the USSR, Lenin Ave.33, MOSCOW 11 707 1 , U.S.S.R. 

 a Specificity of spermatogenesis and oogenesis. Esox lucius (Teleostei) 

 b Spermatogenesis and oogenesis in different temperature, ecological, and seasonal conditions. 



various spp. (Teleostei) 

 ZAMBRE, S. K.; Ph.D. - Dept. of Physiol., Inst, of Entomol., Czech. Acad, of Sci., Na Folimance 5, 



12000 PRAHA 2, Czechoslovakia 



- Dept. of Zool., Univ. of Poona, POONA, India 

 ZEIJST, B. A. M. van der; Dr. - Virol. Group, Fac. of Vet. Sci., State Univ. of Utrecht, Yalelaan 1, 



"De Uithof, UTRECHT, Netherlands 

 a Regulation of the cell cycle and its significance for development and differentiation: the role of 



changes in membrane properties and structure, ion- and cyclic nucleotide metabolism. Physarum 



polycephalum (Eumycetozoina), Xenopus laevis (Anura), neuroblastoma cells, Mus musculus 



(Rodentia) (with J. G. BLUEMINK, P. T. van der SAAG, S. W. de LAAT, and Th. F. J. de 



GREEFF (Univ. of Nijmegcn)) 

 ZEILMAKER, G. H.; Ph.D. -- Dept. of Endocrinol., Growth, and Reprod., Erasmus Univ., 



P.O.B.1738, ROTTERDAM, Netherlands 

 a Egg transplantation. Mus musculus (Rodentia) 



b Development of ectopic trophoblast. Rattus norvegicus, Mus musculus (Rodentia) 

 c Energy requirements and fertility of matured oocyte. Same species as a 

 d Deep-frozen preservation of embryos and subsequent development. Same species as a 

 e Maturation and fertilization of oocytes in vitro. Homo sapiens (Primates) 

 ZERBIB, C. - Lab. Sex. et Reprod. des Invertebr., Univ. P.et M.Curie, Bat.G, Tour 32, 4 place 



Jussieu, 75230 PARIS Cedex 05, France 

 a Oogenesis. Orchestia gammarellus (Amphipoda, Crustacea) 

 ZILCH, R. - I. Zool. Inst, der Univ. Erlangen-Nurnberg, Universitatsstr. 19, 852 ERLANGEN, B.R.D. 



(Germany) 

 a Comparative embryology. Thermosbaenacea and other Malacostraca (Crustacea) 

 ZILLER (SENGEL), Mrs. C; Dr. Sci. - Inst. d'Embryol. et Teratol. Exper. du C.N.R.S., 49bis Av. de 



la Belle Gabrielle, 941 30 NOGENT-sur-MARNE, France 

 a Development and determination of imaginal discs. Drosophila melanogaster (Diptera) 

 b Cell activation and cell determination at early stages of regeneration. Dugesia lugubris, Polycelis 



nigra (Turbellaria) 

 ZISSLER, D.; Dr.rer.nat. - Biol. Inst. I (Zool.) der Univ., Katharinenst. 20, 78 FREIBURG, B.R.D. 



(Germany) 

 2lVK0VI(^, Mrs. N.; B.C. - Lab. of Molec. Biol, and Endocrinol., Inst, of Nucl. Sci. "Boris Kidric", 



P.O. Box 522, 11001 BEOGRAD, Yugoslavia 

 a Reaction to X-rays of the reproductive tract in utero (opening of the vagina, luteinization). 



Rattus spec. (Rodentia) 

 ^NIDARIC!' ((!:ON(!:), Mrs. D.; Dr.biol. - Dept. of Zool., Univ. of Zagreb, Rooseveltov trg 6, 41000 



ZAGREB, Yugoslavia 

 a Regeneration of proximal and distal body parts after exposure to ultraviolet light. Pelmatohydra 



oligactis. Hydra vulgaris (Hydrozoa) (with A. LUI) 

 b Effect of cosmogen (actinomycin D) and ultraviolet light on viability and regeneration. Pelmato- 

 hydra oligactis, P. vulgaris (Hydrozoa) (with A. LUI) 

 ZONNEVELD, B. J. M.; Drs. - Dept. of Genet., Univ. of Leiden, Kaiserstr. 63, LEIDEN, Netherlands 

 a Developmental genetics of the fruiting bodies. Aspergillus nidulans (Ascomycetes) 

 ZOTIN, A. I.; Dr.BioL, Prof. - Lab. of Devi. Biophys., Inst, of Devi. Biol., Acad, of Sci. of the USSR, 



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

 a Theoretical prerequisites of the phenomcnolqgical theory of development: 1 . evolution criterion in 



developmental biology; 2. experiments on the dound dissipation function. Xenopus laevis 



(Anura), Saccharomyces cercvisiae (Saccharomycetales) 

 b Analysis of non-linear phenomenological growth equation with allowances made for interaction 



of growth, differentiation, and morphogenesis 

 ZUBOVA, Mrs. S. E. - Biol. Inst., Lenmgrad State Univ., LENINGRAD 198904, U.S.S.R. 

 a Sex differentiation (Chondrostei) 



b The process of gametogenesis under ionizing radiations. (Chondrostei) 



c .. Effect of hypophyscctomy on ovary and testis of the juvenile. Acipenscr ruthenus (Chondrostei) 

 ZUCCATOSTA, A.; Dr. - Anthropol. Inst., Univ. of Camerino, Via I'ilippo Camerini 5, 62032 



CAMERINO, Italy 

 a Developmental pathology. Homo sapiens (Primates) 

 ZUSMAN, 1. N.; Cand.biol.sci. - A.N.Severtzov Inst, of Evol. Morphol. and Ecol. of Animals, Acad, of 



Sci. of the USSR, Lenin Ave.33, MOSCOW 117071, U.S.S.R. 

 a Resistance and adaptation of the early embryo. Testudo graeca, T. horsfieldi, Emys orbicularis 



and others (Chelonia), Galius gallus. Anas domesticus, Coturnix coturnix and others (Aves) 



110 



