RAZEK, H. A. M.D. - Dept. of Anat., Div. of Appl. and Topogr. Anat., Univ. of Bern, 26 Buehlstr., 



CH-3012 BERN, Switzerland 

 a Comparative placentation. (Mammalia) 



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

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



MONT-SAINT-AIGNAN, France 

 a Raisons de la repartition des embryons le long des comes uterines au 7e jour de gestation 

 (ligature, transfert d'embryons). Rattus spec. (Rodentia) „„..w^ 



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



Anglesey LL59 5EY, Wales, U.K. 

 a Developmental biology. (Cirripedia, Crustacea) „,,.„- 



REGARD, MissE. - Lab. de Biol.-Vertebr., Centre d'Orsay, Univ. de Pans XI, Bat. 441, 91405 



ORSAY, France , 



a Etude biochimique et ultrastructurale de la glande thyroide larvaire. Xenopus laevis (Anura), 



Ambystoma mexicanum (Urodela) 

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



ultrastructurale, biochimie). Organismes voir a 

 REMBOLD, H. Dr.rer.nat., Prof. - Max-Planck-Inst. fur Biochem., 8033 MARTINSRIED b. Mun- 



chen, 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, Apis mellifera (Hymenoptera) 

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

 mitochondria, protein and nucleic acid synthesis in queens and workers. Apis mellifera 

 (Hymenoptera) 

 c Biochemical function of biopterin in development; metabolic studies with C -ptendines. Apis 



mellifera (Hymenoptera) 

 RESSOUCHES (SELMES), 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) 



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

 Italy ISDB 



a The role of some enzymes in embryonic development (marine Invertebrata) 

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

 RfiVfiSZ-FERENCZY, Mrs. E. M.D. - Dept. of Anat., Div. of Appl. and Topogr. Anat., Univ. of 



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

 a Radiobiology, normal embryology. Homo sapiens (Primates) 

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



(Rodentia) 

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



Place Victor Hugo, 13331 MARSEILLE-Cedex 3, France 

 a Etude des relations entre soma et germen. (Aves) 

 REYSS-BRION (DUCREAU), Mrs. M. Dr.es Sci. - Inst. d'Embryol. et Teratol. Exper. du C.N.R.S., 



49 bis 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) 

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

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

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



St. 26, MOSCOW 117334, U.S.S.R. 

 a Mechanisms of repair and physiological regeneration of the brain. Mus musculus, Rattus 



norvegicus (Rodentia) 

 RIBBERT, D. Dr.rer.nat. - Zool. Inst, der Univ., Badestr. 9, 44 MUNSTER/Westf., B.R.D. 



(Germany) 

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



Calliphora erythrocephala (Diptera) 

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

 RICE, A. L. Ph.D. - Dept. of Zool., British Museum (Nat. Hist.), Cromwell Rd., LONDON S.W. 7, 



England 

 RICHTER, K. H. Ph.D. - Physiol.-Chem. Inst. I, Med. Sch., Univ. of Marburg, 355 MARBURG- 



Lahnberge, B.R.D. (Germany) 

 a Mode of action of ecdysone: RNA synthesis by isolated larval epidermis nuclei in different 

 developmental stages and under the influence of ecdysone and ecdysone metabolites. Calliphora 

 erythrocephala (Diptera) 

 RICHTER, R. H. H. Ph.D. - Eigerstr. 70, 3000 BERN, Switzerland 

 RIEB, J. P. - Musee Zool. de l'Univ. et de la Ville, 29 Bd. de la Victoire, 67000 STRASBOURG, 



France 

 a Premiers stades du developpement embryonnaire; appareil circulatoire primitif (microcinema- 



tographie a l'accelere). Brachydanio rerio (Teleostei) 

 RINALDI, Miss A. M. Dr.Biol. - 1st. di Anat. Comp., Univ. di Palermo, Via Archirafi 20, 90123 



PALERMO, Italy 

 a Rate of protein synthesis in oocytes. Paracentrotus lividus (Echinoidea) 

 b Giant RNA in polyribosomes of embryos. Same species as a 



RINALDI, Miss L. Dr.Biol. - 1st. di Zool., Univ. di Parma, Via Universita 12,43100 PARMA, Italy 



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