699K. (UK \CiO, III. 60680, U.S.A. 

 a lc-t.il contributions to amniotic fluid. Macaca mulatta, M. speciosa, M. irus, Homo sapiens 



(Primates) 

 b Toxicity of methylmercury lor the fetus and neonate. Same species as a 



Fetal metabolism and composition in diabetic pregnancy. Same species as a 

 d Metamorphosis: uptake and localization of thyroxine in tissues and cells, collagen deposition. 



Rana pipiens (Anuia) 

 e Effect of cj clamate, saccharin and monosodium glutamate on fetus and neonate. Same species as 



a 

 RIYI NDE Miss E S.lB.Sc. - Dept. of Gen. Biol., Inst, of Biol. Sci., Fed. Univ. of Minas Gerais, Rua 



Carangola 288 4° andar, C.P. 253, BLLO HOR1ZONTE, M.G., Brazil 

 RICHARDS, Mrs. C. M.; Ph.D. - Dept. of Zool., Univ. of Michigan, ANN ARBOR, Mich. 48104, 



U.S.A. 

 a The production of inbred strains using gynogenetic techniques of two types 1. combination of 



egg nucleus plus second polar body; 2. inhibition of the first cleavage of a haploid egg to produce 



completely homozygous diploids. Rana pipiens (Anura) 

 b Genetics of various mutants including albino, blue, melanoid, as well as mutants uncovered by 



gynogenesis. Same species as a 

 c Control of the sex of metamorphosed animals by the administration of estrogen or testosterone 



at appropriate larval stages. Same species as a 

 d Embryonic development, genetics, and regeneration. Hyperolius spec. (Anura) 

 RICHARDSON, W. N.; Ph.D. - Dept. of Biol., Univ. of Miami, CORAL GABLES, FL 33124, U.S.A. 

 R1ECK, A. F. f Ph.D., Prof. - Dept. of Physiol., Marquette Univ., MILWAUKEE, WI 53233, U.S.A. 

 RIFKIND, R. A.; M.D. - Dept. of Human Genet, and Developm., Coll. of Phys. and Surg., Columbia 



Univ., 630 West 168th St., NEW YORK, N.Y. 10032, U.S.A. ISDB 



a Differentiation in virus-transformed hemopoietic cells; regulation of hemoglobin synthesis. Mus 



musculus (Rodentia) 

 b Cell surface properties of differentiating hemopoietic cells; normal and virus-transformed. Same 



species as a 

 RIKMENSPOEL, R.; Ph.D., Assoc. Prof. - Dept. of Biol. Sci., State Univ. of New York, 1400 



Washington Ave., ALBANY, N.Y. 12222, U.S.A. 

 a Control mechanisms of sperm motility. Bos taurus (Artiodactyla) 

 b Contractile mechanisms in cilia 

 RITCHIE, Mrs. A.; Ph.D. - Dept. of Embryol., Carnegie Inst, of Wash., 115 W. University Parkway, 



BALTIMORE, Md. 21210 U.S.A. 

 a Ontogeny of nerve-muscle interactions. Rattus norvegicus (Rodentia) (with D. M. FAM- 



BROUGH) 

 RITSCHARD, R. L.; Ph.D., Assoc. Prof. - Biol. Sci. Dept., Calif. Polytechn. State Univ., SAN LUIS 



OBISPO, CA 93401, U.S.A. 

 RIVERA, Miss E. M.; Ph.D., Assoc. Prof. - Dept. of Zool., Coll. of Nat. Sci., Michigan State Univ., 



EAST LANSING, Mich. 48824, U.S.A. 

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



(Rodentia) 

 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 differentiation of 



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

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



which can serve as mutagens. Same species as a 

 ROBERTS, L. W.; Ph.D., Prof. - Dept. of Biol. Sci., Univ. of Idaho, MOSCOW, Ida. 83843, U.S.A. 

 a Pre-pattem phenomenon of localization of enzymatic activity prior to the formation of wound 



vessel member. Coleus blumei (Labiatae) (with S. BABA) 

 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 patterns 



and hormonal requirements. Lactuca sativa (Compositae) 

 ROBERTSON, A. D. J.; B.A. - Dept. of Biophys. and Theoret. Biol., Univ. of Chicago, 1101 E. 57th 



St., CHICAGO, IL 60637, U.S.A. 

 a Theoretical and experimental study of the control of development (time-lapse cinematography). 



(Acrasiales, Plantae, Animalia) 

 ROBERTSON, G. G.; Ph.D., PrOf. - Dept. of Anat., Ctr. for Health Sci., Univ. of Tennessee, 800 



Madison Ave., MEMPHIS, TN 38163, U.S.A. ISDB 



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

 ROBLRTSON, H. A.; Ph.D. - Dept. of Reprod. Physiol., Anim. Res. Inst., OTTAWA, Ont. K1A 0C6, 



Canada 

 a Comparative aspects of early embryo-uterine interaction leading to implantation. Ovis aries, Bos 



taurus, Sus scrofa (Artiodactyla) 

 b Endocrinology of the developing embryo. Gallus gallus (Aves) 



ROBINSON, Miss H. L.; Ph.D. - Dept. of Biol. Sci., Dartmouth Coll., HANOVER, NH 03755, U.S.A. 

 a Biochemistry of metamorphosis, tail regression and lysosomal enzymes. Xenopus laevis (Anura) 

 b Limb regeneration capacity in adults. Same species as a 

 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 Pregnancy-associated enzymes in maternal blood plasma. Homo sapiens (Primates) 



72 



