ROBERTSON, G. G. Ph.D., Prof. — Dept. of Anat, Med. Units, Univ. of Tennessee, 800 



Madison Ave., MEMPHIS, Tenn. 38103, U.S.A. • 



a Virus-induced abnormalities in embryos. Gallus domesticus (Aves) 

 ROBERTSON, H. A. Ph.D. — Anim. Research Inst., OTTAWA, Ont., Canada 

 a Development of ovarian follicles. Ovis aries. Bos taucus (Artiodactyla) 

 b Hormonal requirement for implantation. Ovis aries, Bos taurus (Artiodactyla) 

 ROBINSON, Miss H. L. Ph.D. — Dept. of Biol., Georgetown Univ., 37th & O. St. N.W., 



WASHINGTON, D.C. 20007, U.S.A. 

 a Nuclear transplantation of morphologically and biochemically differentiated lens cells. 



Rana pipiens (Anura) 

 ROBINSON J C. M.D., Ph.D. — Lab. of Biomed. Sci., Natl. Inst, of Child Health and 



Human Developm., Natl. Inst, of Health, BETHESDA, Md. 20014, U.S.A. 

 a Characterization of pregnancy-associated enzymes in maternal blood plasma. Homo 



sapiens (Primates) 

 ROBISON O. W. Ph.D., Prof. — Dept. of Anim. Sci., North Carolina State Univ., P.O. 



Box 5127, RALEIGH, N.C. 27607, U.S.A. 

 a Genetic and maternal effects on development of the neonate; cross-fostering, automatic 



sow and standard statistical analysis. Sus scrofa (Artiodactyla) 

 b Study of early embryonic development by embryo transfer; factors contributing to uterine 



capacity. Sus scrofa (Artiodactyla) 

 ROBKIN, M. Ph.D., Prof. — Dept. of Nuclear Engin., Univ. of Washington, SEATTLE 



Wash. 98105, U.S.A. 

 a Embryo culture. Rattus spec. (Rodentia) 

 ROCKSTEIN, M. Ph.D., Prof. — Dept. of Physiol., Univ. of Miami, P.O.Box 875, Biscayne 



Annex, MIAMI, Fla. 33152, U.S.A. 

 a Physiological basis of aging, growth, and metamorphosis. Musca domestica (Dipteva) 

 b Metachemogenesis — post emergence biochemical maturation. (Holometabola, Insecta) 

 c Hereditary vs. environmental factors in longevity. (Diptera; Hymenoptera) 

 d Effects of x-irradiation on development, aging, and longevity. Musca domestica (Diptera) 

 RODRIGUES CORREIA, Mrs. M. J. M.D. — Inst, de Histol. e Embriol., Fac. de Med., 



Av. Prof. Egas Moniz, LISBOA 4, Portugal 

 a Ultrastructure of the embryonic mesonephros. Gallus domesticus (Aves) 

 b Action of ionizing radiations upon the embryonated egg. Gallus domesticus (Aves) (with 



M. J. XAVIER MORATO) 

 ROELS, F. M.D. — Lab. of Anat., Univ. of Gent, Ledeganckstr. 35, GENT, Belgium 

 a Peroxisomes and peroxidases in oocytes and fertilized eggs. Artemia salina (Anostcaca, 



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



kade 61, AMSTERDAM-O., Netherlands 

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



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



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

 ROGERS, K. T Ph.D. — Dept. of Anat., Sch. of Med., Univ. of California, SAN FRAN- 

 CISCO, Calif. 94122, U.S.A. • 

 ROGUEDA ( VIGNAU) . Mrs. J. Dr.Biol.anim. — Lab. de Zool. Exper., Univ. de Bordeaux 



I, Av. des Facultes, 33 TALENCE, France 

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

 ROGULSKA, Miss T. Ph.D. — Dept. of Embryol., Zool. Inst., Univ. of Warsaw, Kra- 



kowskie Przedmiescie 26/28, WARSZAWA 64, Poland 

 a Origin and fate of primordial germ cells. Gallus domesticus (Aves), Mus musculus 



(Rodentia) 

 b Differentiation of the somatic and germinal tissues of the gonad. Same species as a 

 ROKYTA, R. MUDr., CSc. — Inst, of Pathophysiol., Charles Univ., Lidicka 1, PLZEfi, 



Czechoslovakia 

 a Interhemispherical connections between subcortical auditory centres, especially between 



medial geniculate bodies in development. Felis domestica (Carnivora), Rattus norvegicus 



(Rodentia) , Oryctolagus cuniculus (Lagomorpha) 

 b The influence of GABA (y-aminobutyric acid) on the cortical somesthetic response after 



the stimulation of different parts of the somesthetic pathway during early postnatal 



development. Rattus norvegicus (Rodentia), Oryctolagus cuniculus (Lagomorpha) 

 ROLLHAUSER, H. Dr.med., Prof. — Anat. Inst, der Univ., Vesaliusweg 2-4, 44 MUN- 



STER/Westf., W.Germany 

 ROLLINS, E. A. Ph.D. — Dept. of Biol. Sci., State Univ. of New York, 1400 Washington 



Ave., ALBANY, N.Y. 12203, U.S.A. • 



a Control of tissue-specific RNA and protein synthesis in the early embryo. Rana pipiens 



(Anura) 

 b Characterization of chromatin, DNA, RNA, and protein at specific developmental stages 



(cell or organ culture and nuclear isolation). Same species as a 

 c Brain and fin development. Oryzias latipes (Teleostei) 



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