b Role of mesoderm induction in pattern formation. Same species as a, and Triturus alpestris 



(Urodela) 

 BOTH, N. J. do; Ph.D. - Pathol. Anat. II, Erasmus Univ., Dr. Molenwaterplein 40, ROTTERDAM, 



Netherlands 

 a Influence of Rauscher leukemia virus on blood formation. Mus musculus (Rodentia) 

 BOTTKE, W.; Dr.rer.nat. - Zool. Inst, der Univ., Lehrst. fur Allgem. Zool., Badestr. 9, 44 MUNSTER/ 



Westf., B.R.D. (Germany) 

 a Oogenesis, especially the origin of yolk and the follicle cell-oocyte interactions (electron 



microscopy, autoradiography, electrophoresis). Planorbarius corneus, Lymnaea stagnalis, 



Bithynia tentaculata, Valvata piscinaUs (Gastropoda) 

 b Chromosomal structure during endomitosis, mitosis and meiosis in the hermaphroditic gland 



(electron microscopy, autoradiography, cytophotometry). Planorbarius corneus, Lymnaea 



stagnalis (Gastropoda) 

 c Ferritin yolk. (Gastropoda) 



BOTTON, B. - Lab. de Physiol. Veget., Univ. de Nancy I, CO. 140, 54037 NANCY Cedex, France 

 a Morphogenesis of aggregated organs (coremia and rhizomorphs). Sphaerostilbe repens 



(Ascomycetes) 

 BOUCAUT, J. C; D.Sc. - Lab. de Biol. Anim,, Univ. Paris VI (P.et M. Curie), 4 place Jussieu, 75230 



PARIS Cedex 05, France 

 a Expression of mosaicism in allophenic chimaeras. Pleurodeles waltl, Ambystoma mexicanum 



(Urodela) 

 b Cellular interactions in development 

 BOURSNELL, J. C; Dr. - A.R.C. Unit of Reprod. Physiol.& Biochem,, Anim. Res. Station, 307 



Huntingdon Rd., CAMBRIDGE CB3 OJQ, England 

 BOURY ESNAULT, Ms. N. - Lab. de Biol, des Invert. Marins et Malacol., Museum Natl. d'Hist. Nat., 



57 rue Cuvier, 75005 PARIS, France 

 a Regeneration and morphogenesis. (Porifera) 



BOUTHIER, A. - Lab. de Zool., tcole Norm. Super., 46 rue d'Ulm, 75230 PARIS Cedex 05, France 

 a Ommochrome metabolism during development in larvae and adults of normal and "albino" 



mutant strains. Locusta migratoria (Orthoptera) 

 b Hormonal control of pigmentation. Same species as a 

 BOUVET, J. L.; Dr. Spec. -'^Lab. de Zool. et Biol. Anim., Univ. Sci. et Med. de Grenoble, B.P. 53, 



Centre de Tri, 38041 GRENOBLE, France 

 a Cell proliferation in the pectoral fin bud; differentiation of the apical ectodermal ridge. Salmo 



trutta fario (Teleostei) 

 b Destruction of the egg shell by the peridermal cells which envelope the yolk mass (transmission 



and scanning electron microscopy). Same species as a 

 BOWNES, M.; D.Phil. - Dept. of Biol., Univ. of Essex, Wivenhoe Park, COLCHESTER C04 3SQ, 



England 

 a Mutations altering the organisation of the embryo. Drosophila melanogaster (Diptera) 

 b Attempts to experimentally induce polarity reversals in embryos using techniques of centri- 



fugation and UV irradiation. Same species as a 

 c Experiments on the mechanism of regeneration in imaginal discs. Same species as a 

 d Developmental effects of exposing embryos to ether vapour. Same species as a 

 BOZDZILOVSKAYA, V. P. - Inst, of Developm. Biol., Acad, of Sci. of the USSR, Vavilov St. 26, 



MOSCOW 117334, U.S.S.R. 

 a Relative duration of development and normal table. Ambystoma mexicanum (Urodela) 

 BRACHET, J. L. A.; M.D., D.Sc, Prof. - Dept. of Molec. Biol., Free Univ. of Brussels, 67 rue des 



Chevaux, 1640 RH0DE-ST-GEN£SE, Belgium 

 a Synthesis of DNA, RNA and protein, and energy production during maturation. Xenopus laevis 



(Anura) 

 b Concanavalin A binding to cell membranes during development. Same species as a 

 c Induction of maturation by organomercurials. Same species as a 

 d Role of ions and SH groups in the induction of maturation and in differentiation without 



cleavage. Chaetopterus spec. (Polychaeta) 

 e Role of polyamines in egg development (Echinoidea) 

 BRADAMANTE, l.\ M.D. - Inst, of Histol. and Embryol., Fac. of Med., Univ. of Zagreb, P.O. Box 



166, Salata 3, 41001 ZAGREB, Yugoslavia 

 a Oiondrogenesis in the external ear. Rattus norvegicus (Rodentia) (with A. SvAJGER and Lj. 



KOSTOViC;) 

 b Differentiation of the intercellular matrix during ontogenesis (histology, histochemistry, electron 



microscopy). Same species as a (with A. SVAJGER and Lj. KOSTOVIC) 

 BRAGT, J. van; Dr., Ir. - Dept. of Horticult., Agric. Univ., Haagsteeg 3, P.O. Box 30, 



WAGENINGEN, Netherlands 

 a Endogenous hormone levels and parthenocarpic fruit set. Pyrus spec, Malus spec (Rosaceae) 

 b Endogenous cytokinins and regeneration of sprouts on leaf cuttings, ornamental spp. (Angiosper- 



mae) 

 BRAHMA, S.K.; D.Phil., Ph.D. - Dept. of Med. Anat. and Embryol., State Univ. of Utrecht, 



Janskerkhof 3A, UTRECHT, Netherlands 

 a Biosynthesis of soluble proteins in early development (isoelectric focusing, autoradiography). 



(Amphibia) (with P. T. v. d. SAAG, Hubrecht Lab.) 

 b Biosynthesis of soluble lens crystallins in early and late development (isoelectric focusing, 



autoradiography). Anas.platyrhynchos (Aves) (with H. van der STARRE) 

 c Isoelectric focusing of some enzymes during lens development. Same species as b, and Gallus 



18 



