20 rue des Moulins, 951 10 SANNOIS, France 

 RAZEK, H. A.; M.D. - Dept. of Anat., Div. of Appl. and Topogr. Anat., Univ. of Bern, Buehlstr., 



CH-3012 BERN, Switzerland 

 a Comparative placentation. (Mammalia) 



b Early differentiation of germ layers. Mus musculus (Rodentia) 

 REBER (PELLE), Mrs. A. - Lab. de Physiol. Anim., Univ. de Rouen, 10 Bd. de Broglie, 76130 



MONT-SAINT-AIGNAN, France 

 REES (WALLEY), Mrs. L. J.; Ph.D. - Marine Sci. Labs., Univ. ColL of N.Wales, MENAl BRIDGE, 



Anglesey LL59 5EY, Wales, U.K. 

 REGARD, Miss E. - Lab. de Biol.-Vertebr., Univ. Paris XI (Paris-Sud), Bat.441, 91405 ORSAY, 



France 

 a Etude biochimique et ultrastructurale de la glande thyroide larvaire; biosynthese de la thyro- 



globuline. Xenopus laevis (Anura), Anibystoma mexicanum (Urodela) 

 b Apparition et fonction de la peroxydase dans la glande thyroide larvaire (histochimie ultra- 

 structurale, utilisation de I'iode) 

 c Microanalyse d'iode dans la thyroide. Memes especes comme a 

 REMBOLD, H.; Dr.rer.nat.. Prof. - Dept. of Insect Biochem., Max-Planck-Inst. fiir Biochem., 8033 



MARTINSRIED b.Munchen, B.R.D. (Germany) 

 a Isolation of the determining substance responsible for queen bee establishment from royal jelly 



and from pupae and adults. Bombyx mori (Lepidoptera), Apis mellifera (Hymenoptera) 

 b Biochemical aspects of queen determination; comparative studies on enzyme activities, mitochon- 

 dria, protein and nucleic acid synthesis in queens and workers. Apis mellifera (Hymenoptera) 

 c Biochemical function of biopterin in development; metabolic studies with C14-pteridines. Same 



species as b • • u 



d Biochemistry and histology of juvenile hormone action in caste formation. Same species as b 

 RENFREE, Miss M. B.; Ph.D. - A.R.C. Unit of Anim. Genet., Univ. of Edinburgh, West Mains Rd., 



EDINBURGH EH9 3JN, Scotland, U.K. 

 a Embryology and developmental biochemistry. Macropus eugenii (Marsupialia) 

 b Ontogeny of LDH and MDH isozymes during pouch development. Didelphis marsupialis 



virsiniana (Marsupialia) 

 c In Vivo and in vitro assays of adrenocorticoid function during pouch development. Same species 



as b 

 d Uterine proteins during gestation. Same species as b 



e Foetal fluids; origin and composition of amniotic fluid. Mus musculus (Rodentia) 

 f Influence of fetal serum proteins on embryos in culture. Same species as e 

 RENKAWITZ, R.; Dipl.Biol. - Inst, fur Allgem. BioL, Univ. Dusseldorf, Ulenbergstr. 127-129,4000 



DOSSELDORF, B.R.D. (Germany) 

 a Amplification of ribosomal genes in the nurse cells of the ovary. Calhphora erythrocephala, 



Drosophila hydei, Sarcophaga barbata (Diptera) 

 RENKAWITZ-POHL, Mrs. R.; Dipl.Biol. - Inst, fur Allgem. Biol., Univ. Dusseldorf, Ulenbergstr. 



127-129, 4000 D(}SSELDORF, B.R.D. (Germany) 

 a Underreplication of satellite-DNA in polyploid ovarian tissues (analytical ultracentrifugation, 



thermal denaturation). Drosophila viriiis (Diptera) 

 b Replication of 5S-DNA in various tissues. Drosophila hydei (Diptera) 

 RESSOUCHES (SELMtS), Mrs. A.-P.; Dr.Biol.anim. - Lab. de ZooL Exper., Univ. de Bordeaux I, Av. 



des Facultes, 33405 TALENCE, France 

 a Developpement embryonnaire. Pissodes spec. (Coleoptera) 



b Ultrastructure des bacteroides intracellulaires. Meme espece comme a „-,.,.., r^n**^ 



REVERBERI, G.; D.Sci., Prof. - ZooL Inst., Univ. of Palermo, Via Archirafi 18, 90123 PALERMO, 



Italy 

 a Ultrastructure of the developing egg. (Annelida; Mollusca; Ascidiacea) 

 Rf.V^SZ-FERENCZY, Mrs. E.; M.D. - Dept. of Anat., Div. of Appl. and Topogr. Anat., Univ. ot 



Bern. 26 Buehlstr., CH-3012 BERN, Switzerland 

 a Radiobiologv, normal embryology. Homo sapiens (Primates) 

 b Radiobiology, experimental embryology. 1. genetics; 2. placentology. Mesocricetus auratus 



(Rodentia) c /-i i 



REYNAUD, G. R.; Dr.es Sci. - Lab. de Morphogenet. Anim., Univ. de Provence - Centre St.Charles, 



Place Victor Hugo, 13331 MARSEILLE Cedex 3, France 

 a Intra- and interspecific transfer of primordial germ cells. Gallus gallus, Meleagris gallopavo (Aves) 

 REYSS-BRION (DUCREAU), Mrs. M.; Dr. Sci. - Inst. dTmbryol. et Teratol. Exper. du C.N.R.S., 



49bis Av.de la Belle Gabrielle, 94130 NOGENT-sur-MARNE, France 

 a Influence des rayons X sur le developpement embryonnaire. Pleurodeles waltlii (Urodela), Gallus 



spec. (Aves) , ,•• /ir j i \ 



b Influence des rayons X sur le pouvoir inducteur de la gastrula. Pleurodeles walthi (Urodela) 

 c Effet des rayons X sur le developpement de la peau embryonnaire. Gallus domesticus (Aves) 

 RFZNIKOV, K. Ju.; Cand.biol.sci. - Inst, of Developm. Biol., Acad, of Sci. of the USSR, Vavilov St. 



26, MOSCOW 117334, U.S.S.R. „ ^^ x^-rvTc-nrD m; *f non 



RIBBERT, D.; Dr.rer.nat. ^ ZooL Inst, der Univ., Badestr. 9, 44 MUNSTER/Westf., B.R.D. 



(Germany) , , ■ ^ r- u- 



a Karyology and RNA spectra in egg follicle development (radio-isotopes, electrophoresis). Calh- 

 phora erythrocephala (Diptera) 

 b Chromosome cytology of germ line cells (polytene chromosomes). Same species as a . 



c Chromosome cytology of developing macrochaetes (trichogene cells). (CaUiphorinae; Muscidae, 

 Diptera) 



85 



