d Disproportionate DNA replication in nurse cell nuclei of meroistic ovaries (hybridization 



technique). Same species as c 

 RICE, A. L.; Ph.D. - Inst, of Oceanogr. Sci., Wormley, GODALMING, Surrey, England 

 a Morphology of larvae reared in the laboratory. Carcinus spec, Macropipus spec. (Decapoda, 



Crustacea) 

 b Numerical taxonomy of zoeal stages based on published data. Many spec. (Brachyura, Decapoda, 



RICHARD-MERCIER, Mrs. N. - Lab. Sex. et Reprod. des Invertebr., Univ. P.et M.Curie, Bat.G, Tour 



32, 4 place Jussieu, 75230 PARIS Cedex 05, France 

 a Control of sex differentiation. Leptinotarsa decemHneata (Coleoptera) 

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



Lahnberge, B.R.D. (Germany) 

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



France 

 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 



c Mitochondrial RNA synthesis during development. Paracentrotus lividus (Echinoidea) 

 RINAUDO, M. T.; Prof. - Inst, of Biochem., Univ. of Turin, Via Michelangelo 27, 10126 TORINO, 



Italy 

 a Protocollagen proHne hydroxylase in embryonic eye, cartilage, and skin. Gallus domesticus 



(Aves) 

 b B-hydroxybutyrate dehydrogenase in embryonic and neonatal brain. Same species as a 

 c Glucose-6-phosphatase and fructosediphosphatase in the embryonic heart. Same species as a 

 RIPOLL, P.; Ph.D. - Sect. Developm. Genet., Inst, of Genet, and Anthropol., Velazquez 144, 



MADRID 6, Spain 

 a Clonal behaviour of zygotic lethals in imaginal discs. Drosophila melanogaster (Diptera) 

 RISNES, S. - Dept. of Anat., Dent. Fac, Univ. of Oslo, P.O. Box 1052, Blindern, OSLO 2, Norway 

 a Odontogenesis. (Elasmobranchii), Rattus norvegicus (Rodentia) 

 ROBADEY (RIBAS), Mrs. M. - Dept. d'Embryol. et Teratol. Exp., Inst, de Biol.Anim., Fac. des Sci., 



Univ. de Fribourg, 1700 FRIBOURG, Switzerland 

 a Morphogenese du crane et induction cephalique. Gallus gallus (Aves) 



b Associations interspecifiques entre divers organes cephaliques. Gallus gallus, Coturnix spec. (Aves) 

 ROBECCHI GIACOBINI, M. G.; M.D. - Dept. of Human Anat., Univ. of Torino, Corso M.D'Azeglio 



52, 10126 TORINO, Italy 

 a Development of "electric type" synapses in nucleus tangentialis. Gallus domesticus (Aves) 

 b Development of motor unit under experimental conditions (electron microscopy). Same species 



as a 

 ROBERT, L.; M.D. - Lab. de Biochim. du Tissue Conjonct., Univ. de Paris XII, 6 rue du Gen.Sarrail, 



94000 CRfiTEIL, France 

 a Differentiation of mesenchymal tissues, cornea, and aorta; regulation of the biosynthesis of 



intercellular macromolccules: collagen, elastin, proteoglycan, and structural glycoproteins. 



(Demospongiae, Porifera), Gallus domesticus (Aves), Mus musculus, Rattus spec, Sus domesticus. 



Bos taurus, Homo sapiens (Mammalia) 

 b Molecular mechanism of cell free recognition (transplantation biology); role of structural 



glycoproteins. Mus musculus (Rodentia) 

 ROBERT, M.; DipLNatw. - Inst, fur Genet., Univ. des Saarlandes, 66 SAARBRUCKEN 11, B.R.D. 



(Germany) 

 a Regulation of gene activity and histone cytochemistry in giant chromosomes. Chironomus 



thummi, Ch. tentans (Diptera) 

 ROBERTSON, B.; M.D. Dept. of Pediat. Pathol., Karolinska sjukhuset, 104 01 STOCKHOLM 60, 



Sweden 



No cmbryological work in progress 

 ROBERTSON (PATON), Mrs. E. M. - Inst, of Anim. Genet., Univ. of Edinburgh, West Mains Rd., 



EDINBURGH EH9 3JN, Scotland, U.K. 

 a Development of imaginal buds. Drosophila spec. (Diptera) (with C. H. WADDINGTON) 

 RODA, A.; Prof. - Inst. F.Oloriz, Fac of Med., Univ. of Granada, GRANADA, Spain 

 RODfc, B.; Ph.D., Prof. - Dept. of Zool., Univ. of Zagreb, Rooseveltov trg 6, 41000 ZAGREB, and 



Dept. of Pathol., Fac of Dent., Univ. of Zagreb, "Dr.M.Stojanovic", 41000 ZAGREB, Yugoslavia 

 a Chemodifferentiation of digestive organs: forestomach mucosa, liver, pancreas (enzyme histo- 

 chemistry). (Ruminantia, Artiodactyla) (with N. KRALJ) 

 b Enzyme histochemistry of fetal testis. Homo sapiens (Primates) (with A. PIRKlO) 

 RODRIGUI S CORREIA, Mrs. M. J.; M.D. Inst, dc Histol. e Embriol., Fac de Med., Av. Prof. Egas 



Moniz, LISBOA 4, Portugal. 

 ROEST (WAGENAAR), Mrs. J. A. - Anat.-Embryol. Inst., Univ. of Amsterdam, Mauritskadc 61, 



AMSTERDAM-O., Netherlands 

 a Light microscopy, electron microscopy, histochemistry, physiology, and experimental terato- 



genesis of heart development in the embryo. Gallus domesticus (Aves), Mus musculus (Rodentia) 



(with H. M. LAANE and J. A. LOS) 

 b Cell interactions in the embryonic heart. Gallus domesticus (Aves) (with J. A. LOS) 

 ROGUEDA (VIGNAU), Mrs. J.; Dr.Biol. anim. - Lab. de Zool. Exper., Univ. de Bordeaux I, Av. des 



Facultes, 33405 TALENCE, France 

 a Experiences sur la morphogenese embryonnaire de la tete. Carausius spec. (Phasmida) 



86 



