54037 NANCY Cedex. France 

 a Cellules larvaires et flots d'histoblastes tegumentaires de l'abdomen: 1. Ultrastructure; 2. Degre 



de differenciation etudie par autogreffes. Calliphora erythrocephala (Diptera) 

 BAXTER, E. W. Ph.D. - Biol. Dept., Guy's Hosp. Med. School, LONDON SE1 9RT, England 

 a Biology, including development and metamorphosis. Petromyzon spec. (Cyclostomata) 

 BEATTY, R. A. Ph.D., F.R.S.E. - Dept. of Genet., Univ. of Edinburgh, West Mains Rd., EDIN- 

 BURGH EH9 3JN, Scotland, U.K. 1SDB 

 a Breeding of genetically tagged strains for use in developmental biology. Oryctolagus cuniculus 



(Lagomorpha) 

 b Developmental biology and genetics of gametes. Drosophila spp. (Diptera), Mus musculus 



(Rodentia), Oryctolagus cuniculus (Lagomorpha), Homo sapiens (Primates) 

 c Aetiology of heteroploidy. Oryctolagus cuniculus (Lagomorpha), Homo sapiens (Primates) 

 BEAUMONT, A. Dr.es Sci., Prof. - Lab. de Biol.-Vertebres, Centre d'Orsay, Univ. de Paris XI, Bat. 



441, 91405 ORSAY, France 

 a Ultrastructure of liver and pancreas during metamorphosis. Alytes spec, Discoglossus spec, 



Rana spec (Anura) 

 BEAUMONT, Miss H. M. Ph.D. - Dept. of Anat., Med. School, Univ. of Birmingham, Edgbaston, 



BIRMINGHAM B15, 2TJ, England 

 a Spontaneous and radiation-induced atresia of oocytes, especially developmental capacity of 



oocytes from aged, superovulated and irradiated animals. (Rodentia) 

 BEAUPAIN (CREPY), Mrs. D. Dr.es Sci. - Inst. d'Embryol. et Teratol. Exper. du C.N.R.S., 49bis 



Av. de la Belle GabrieUe, 94130 NOGENT-sur-MARNE, France 

 a Localisation et apparition de la hypoxanthine deshydrogenase dans differents organs de l'em- 



bryon. Gallus domesticus (Aves) 

 b La differenciation chimique du pancreas de I'embryon. Gallus domesticus (Aves) (avec F. DIE- 



TERLEN) 

 BEAUPAIN, R. Dr. - Inst. d'Embryol. et Teratol. Exper. du C.N.R.S., 49bis Av. de la Belle 



GabrieUe, 94130 NOGENT-sur-MARNE, France 

 a Effets des rayons X sur la survie et sur la synthese macromoleculaire des nodules cancereux en 



culture organotypique de longue duree. Homo sapiens (Primates) 

 BECCHETTI, E. Dott.Sci.Biol. - Inst, of Histol. and Gen. Embryol., Univ. of Perugia, Via del 



Giochetto, 06100 PERUGIA, Italy 

 a Histochemistry of blood vessel morphogenesis in vitro 



BECK, F. M.D., Prof. - Dept. of Anat., Univ. of Leicester, LEICESTER LEI 7RH, England ISDB 

 a The effect of trypan blue on development. Rattus spec. (Rodentia), Mustela putorius furo 



(Carnivora) 

 b Embryonic nutrition. Same species as a. 

 c The postnatal maturation of intestinal epithelium. Rattus spec, Cavia cobaya (Rodentia), 



Oryctolagus cuniculus (Lagomorpha), Mustela putorius furo (Carnivora) 

 BECKER, H. J. Ph.D., Prof. - Zool. Inst, der Univ., Luisenstr. 14, 8000 MUNCHEN 2, B.R.D. 



(Germany) ISDB 



BECKER, V. Dr.med., Prof. - Pathol. Inst, der Univ. Erlangen-Niirnberg, Krankenhausstr. 8-10, 



8520 ERLANGEN, B.R.D. (Germany) 

 a General and special pathology of placenta. (Mammalia) 

 BEERMANN, W. Dr.rer.nat., Prof. - Max-Planck Inst, fur Biol., Spemannst. 34, 74 TUBINGEN, 



B.R.D. (Germany) 

 BEETSCHEN, J. C. Dr.es Sci., Prof. - Lab. de Biol. Gener., Univ. Paul-Sabatier, 118 Route de 



Narbonne, 3 1077 TOULOUSE Cedex, France ISDB 



a Experiments on the differentiation of cultured embryonic cells. (Urodela) (with A. M. DUPRAT) 

 b The recessive semi-lethal factor ac: temperature-sensitivity of homozygous mutants; maternal 



effect in the progeny of mutant females. Pleurodeles waltlii (Urodela) 

 c Genetical aspects of protein differentiation in embryonic and larval stages. Same species as b 



(with F. GASSER) 

 BEIDERBECK, R. Dr. - Bot. Inst., Univ. Heidelberg, Hofmeisterweg 4, 69 HEIDELBERG, B.R.D. 



(Germany) 

 a Crown gall induction; tumor-inducing-principle. Bryophyllum daigremontianum, and other spe- 

 cies (Angiospermae) 

 BEIER, H. M. Dr.rer.nat., Dr.med. - Anat. Inst, der Univ., Olshausenst. 40-60, 23 KIEL, B.R.D. 



(Germany) 

 a Experimental developmental morphology of preimplantation stages, postimplantation stages, and 



their endocrinological developmental control. Oryctolagus cuniculus (Lagomorpha), Cavia porcel- 



lus, Rattus spec. (Rodentia) 

 b Specific uterine proteins (e.g. uteroglobin) and their hormonally controlled interference with 



blastocyst development. Oryctolagus cuniculus (Lagomorpha), Homo sapiens (Primates) 

 BEINBRECH, G. Dr. - Lehrstuhl fur Zellphysiol. Abt. Biol., Ruhr Univ., Buscheyst., Postfach 2148, 



463 BOCHUM, B.R.D. (Germany) 

 a Development of flight muscles during metamorphosis: formation of the myofibrils and of the 



sarcotubular system. Phormia terrae-novae (Diptera) 

 BELICZA, M. M.D., M.Sci. - Inst, of Pathol., Fac of Med., Univ. of Zagreb, Salata 10, P.O. Box 



936, 41001 ZAGREB, Yugoslavia 

 a Placental transfer in pathological conditions (electron microscopy, histochemistry). Rattus nor- 



vegicus, Mesocricetus auratus (Rodentia), Homo sapiens (Primates) 

 BELLAIRS, A. d'A. D.Sc, Prof. - Dept. of Anat., St. Mary's Hosp. Med. School, Norfolk Place, 



LONDON W.2, England 



12 



