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

 90123 PALERMO, Italy 



a Messenger RNA in unfertilized eggs. Arbacia punctulata (Echinotdea) 



b RNA synthesis in mitochondria. Arbacia lixula (Echinoidea) 



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

 PARMA, Italy __ * 



a Experimental morphology of bone induction and inhibitory action of thalidomide. Mus 

 musculus, Rattus spec. (Rodentia) (with B. SCHREIBER) „,<„-, r™-»r»T 



RINAUDO, M. T. Prof. — Inst, of Biochem., Univ. of Turin, Via Giolitti 34, 10123 TORI- 

 NO, Italy ^ , _ , , __ , ... 



RIPOLL, P. M.Sc. — Sect. Developm. Genet., Inst, of Genet, and Anthropol., Velazques 144, 



MADRID 6, Spain , , , ,rv < i 



a Clonal behaviour of zygotic lethals in imaginal discs. Drosophda melanog aster (Diptera) 

 RISNES, S. — Inst, of Anat., Univ. of Bergen, Arstadvollen 19, 5000 BERGEN, Norway 

 a Graphical reconstructions of tooth germs and dental laminae in pouch youngs. Isoodon 



obesulus, I. macrourus, Perameles gunnii (Macsupialia) 

 b Epithelial-mesenchymal interactions in odontogenesis. Rattus norvegicus (Rodentia) 

 RITSCHARD, R. L. Ph.D., Prof. — Biol. Sci. Dept., Calif. State Polytechnic Coll., SAN 



LUIS OBISPO, Calif. 93401, U.S.A. 

 a Histochemistry of epithelio-mesenchymal relationships in skin development. (Aves, Mam- 

 malia) 

 b Rates of RNA and protein synthesis in eggs, and correlation with developmental events. 



Marine spp. (Invertebrat a ) 

 RIVERA Miss E. M. Ph.D., Prof. — Dept. of Zool., Michigan State Univ., 220 Nat. Sci. 



Bldg., EAST LANSING, Mich. 48823, U.S.A. 

 a Analysis of hormone actions on mammary gland development in organ culture. Mus 



musculus (Rodentia) ,^t,^t-> *> i 



RIZKI, T. M. Ph.D., Prof. — Dept. of Zool., Univ. of Michigan, ANN ARBOR, Mich. 



48104, U.S.A. 

 a Mutant genes regulating the function and structure of fat cells in the functional differentia- 

 tion of the fat body (fluorescence and electron microscopy). Drosophila melanogaster 

 (Diptera) 

 b Effects of various nucleic acid analogs in relation to morphogenesis, esp. those substances 



which can serve as mutagens. Same species as a 

 ROBADEY (RIBAS), Mrs. M. R. — Inst, de Biol. Anim., Fac. des Sci., Univ. de Fribourg, 



1700 FRIBOURG, Switzerland 

 a Skull morphogenesis and cephalic induction. Gallus gallus (Aves) 



b Interspecific associations between various organs. Gallus gallus, Coturnix spec. (Aves) 

 ROBECCHI, Miss M. G. M.D. — Dept. of Human Anat., Univ. of Torino, Corso M. 



d'Azeglio 52, 10126 TORINO, Italy 

 a Morphology, histochemistry, and electron microscopy of neuroblast development in 



olfactory placode. Gallus domesticus (Aves) 

 ROBERT, M. Dipl.Natw. — Inst, fur Genet., Univ. des Saarlandes, 66 SAARBRUCKEN 11, 



W.Germany . 



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



thummi, Ch. tentans (Diptera) 

 ROBERTS. A. Ph.D. — Dept. of Zool., Univ. of Bristol, BRISTOL BS8 1UG, England 

 ROBERTS. Miss C. M. B.Sc. — Wellcome Inst, of Comp. Physiol., Zool. Soc. of London, 



Regent's Park, LONDON NW1 4RY, England 



a Embryology, especially implantation and early stages; histochemistry of pregnant uteri. 



Chinchilla lanigev, Lagostomus maximus, Myocastor coypus, Octodon degus, Galea 



musteloides, Proechimys guairae (Hystricomocpha, Rodentia) 



ROBERTS, L. W. Ph.D., Prof. — Dept. of Biol. Sci., Univ. of Idaho. MOSCOW, Ida. 



83843, U.S.A. . c . 



a Pre-pattern phenomenon of localization of enzymatic activity prior to the formation ot 



wound vessel member. Coleus blumei (Labiatae) (with S. BAB A) 

 b Effect of environment on morphogenesis of vascular elements. Coleus blumei (Labiatae) 



(with S. BABA) 

 c Developmental physiology of xylogenesis in pith parenchyma explants: differentiation pat- 

 terns and hormonal requirements. Lactuca sativa (Compositae) c^r^/^v 

 ROBERTSON, B. M.D. — Dept. of Pediat. Pathol., Karolinska sjukhuset, 104 01 STOCK- 

 HOLM 60, Sweden 

 a The pathology and anatomy of pulmonary vasculature in congenital heart malformations, 



particularly transposition of the great arteries. Homo sapiens (Primates) 



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



Mains Rd., EDINBURGH EH9 3JN, Scotland, U.K. „„ ™>,™~iv-mv« 



a Development of imaginal buds. Drosophila spec. (Diptera) (with C. H. WADDING 1UJN) 



b Electron microscopy of the nucleolar organiser in the pupal bristle cells. Drosophila 



melanogaster (Diptera) 



151 



