27, 6000 FRANKFURT/M., B.R.D. (Germany) 

 a Variation of dry mass/water ratio in different parts of the egg from fertilization through first 



cleavage (interference microscopy). Psammechinus miliaris (Echinoidea) 

 b Electron microscopy of pigment granule form.ation in melanophores. Pterophyllum scalare 



(Cichlidae), Lebistes reticulatus (Poeciliidae, Teleostei) 

 c Hormonal induction of keratinization in epidermal cells in tissue culture (time-lapse cinemicro- 



graphy, histochemistry, electron microscopy). Same species as b 

 d Ulttastructure of the development of flame cells in the skin. Hippocampus spec. (Teleostei) 

 BERENDES, H. D.t Prof. - Dept. of Genet., Univ. of Nijmegen, NIJMEGEN, Netherlands 

 BERGERARD, J.; Dr.es Sci., Prof. - Lab. de Zool., Univ. de Paris XI, Centre d'Orsay, 91405 ORSAY, 



France - also: Stat. Biol., place Georges-Teissier, 29211 ROSCOFF, France 

 a Physiology of spawning and induction of meiosis in the oocytes. Patella vulgata, P. aspera, P. 



depressa, Gibbula cineraria (Gastropoda) 

 BERGHOEF, J.; Ir. - Dept. of Plant Physiol., Agric. Univ., Arboretumlaan 4, WAGENINGEN, 



Netherlands 

 a Hormonal regulation of sex expression. Begonia franconis (Begoniaceae) 

 BERGQUIST, H.; Ph.D. - Inst, of Zool, Univ. of Gothenburg, Fack, S-400 33 GOTHENBURG 33, 



Sweden' 

 BERKOVITZ, B. K. B. - Anat. Dept., Bristol Univ., University Walk, BRISTOL BS8 ITD, England 

 a Descriptive study of tooth development. Salmo gairdneri (Teleostei), Lepidosteus spec. 



(Holostei), Cavia porcellus, Rattus norvegicus (Rodentia), Physeter macrocephalus (Cetacea), 



Putorius p. furo (Carnivora) and other Vertebrata 

 BERNARD, C; Lic.es Sci. - Lab. Physiol. Cell, des Struct. Contractiles, Univ. de Poitiers, 40 av. du 



Recteur Pineau, Bat.P, 86022 POITIERS, France 

 a Cellular electrophysiology of the embryonic heart (membrane currents - membrane conductan- 

 ces - equivalent circuits.) Rattus norvegicus (Rodentia) 

 BERNARD, Mrs. J.; M.es Sci. Lab. de Morphogen. Veget., Univ. d'Aix-Marseille III, Centre 



St-Charles, place Victor Hugo, 13331 MARSEILLE Cedex 3, France 

 a Etude experimentale du fonctionnement des meristemes vegetatifs et reproducteurs. Pisum 



sativum (Leguminosae) 

 BERNDORFER, A.; Dr.med.habil. - Childrens Hosp. "Paul Heim", Dept. for Congenital Malfor- 

 mations, UUoi ut 86, BUDAPEST VIII, Hungary - Private address: Benczur utca 39/a, 



BUDAPEST VI, Hungary 

 BERNHARD, H. P.; Ph.D. - Abt. Zellbiol., Biozentrum der Univ., Klingelbergstr. 70, 4056 BASEL, 



Switzerland 

 a Stability and inheritance of the determined state in vitro (somatic cell genetics: mutagenesis, 



mutant selection, cell fusion). Drosophila melanogaster (Diptera) 

 b Gene dosage in vitro, and application to genetic mapping. Same species as a 

 BERNOCCHI, Miss G. - Dept. of Histol. and Embryol., Univ. of Pavia, Piazza Botta 10, 27100 



PAVIA, Italy 

 BERREUR (BONNENFANT), Mrs. J.; Dr.es Sci. - Lab. de Genet. Evolut. et de Biomet., C.N.R.S., 



91 190 GIF-sur-YVETTE, France 

 a Action de riiormonc androgene sur la synthese des proteines de Tovaire. Orchestia gammarella 



(Amphipoda, Crustacea) 

 b Dcvcloppement postembryonnaire et senescence de la eonade. Ligia spec. (Isopoda, Crustacea) 

 BERRY, M.; Ph.D. - Dept. of Anat., Med. School, Univ. of Birmingham, Edgbaston, BIRMINGHAM 



B15 2TJ, England 

 a Effects of X-irradiation on central nervous development. Rattus spec. (Rodentia) 

 b Development of cerebral and cerebellar cortex. Same species as a 

 c Regeneration in the central nervous system. Same species as a 

 BFRTINI, Miss M.; M.D. - Cell and Molcc. Biol. Lab., Dept. of Human Anat., Univ. of Torino, Corso 



M. d'Azeglio 52, 10126 TORINO, Italy 

 a Cell membrane differentiation; immunochemistry of surface macromolecules. Mus musculus 



(Rodentia) 

 b Membrane-mediated growth control in BHK (baby hamster kidney) cells. Mesocricetus auratus 



(Rodentia) 

 BERTMAR,G.;Ph.D. - Sect, of Ecol. Zool., Dept. of Biol., Univ. of Umea, 90187 UMEA, Sweden 

 a Experimental developmental morphology of the olfactory organ. Salmo spec. (Teleostei) 

 BERTOLANl, R.; Dr.Biol. - 1st. di Anat. Comp., Univ. di Modena, Via Berengario 14, 41100 



MODENA, Italy 

 a Morphology of neotcnic and metamorphosed animals. Triturus alpestris (Urodela) 

 b Cytogenetics of parthenogenetic and amphigenic animals. Macrobiotus hufelandi, M. dispar, 



Isohvpsibius augusti, 1. granulifer (Tardigrada) 

 BERTON (PECHEUX), Mrs. F.; Dr.3e Cycle - Ctr. de Biol. Appl., Fond. Hersent-Luzarche, Univ. de 



Tours, 36290 AZAY-LE-FERRON, France 

 a Enzymology of fetal kidney after unilateral nephrectomy. Cavia porcellus (Rodentia) 

 BERTON, J. P.; Dr. - Ctr. de Biol. Appl., Fond. Hersent-Luzarche, Univ. de Tours, 36290 AZAY-LE- 

 FERRON, France - Ctr. de Rech. Vet. et Zootechn., Lab. de PhysioL de la Reprod., (INRA), 37 

 NOUZILLY, France 

 a Hypertrophic compensatory response of fetal kidney to unilateral nephrectomy in vivo. Ovis 



aries, Sus scrofa (Artiodactyla), Oryctolagus cunicuius (Lagomorpha) 

 b Development of fetal lung after tracheal ligation or nephrectomy in vivo. Same species as a 

 c Effects of bilateral nephrectomy (oligohydramnios, survival, etc.). Same species as a 

 d Upper digestive tract as a source of amniotic fluid. Ovis aries (Artiodactyla), Oryctolagus 

 cunicuius (Lagomorpha) 



15 



