ROW] EY 1) A.. M.D., Prof. DeptS. of Pathol. Pcdiat., Univ. of Chicago, 1101 E. 57th St., 



CHICAGO, IL 60637, U.S.A. 

 a Development of the immune system. ( Vertcbrata) 



RUBEN, 1. N.; Ph.D., Prof. Biol. Dept., Reed College, PORTLAND, Ore. 97202, U.S.A. 1SDB 



,i Development and evolution of immune responses with special emphasis on cell cooperation 



(immunocytoadherence, hapten-carrier immunization, haemagglutination). Triturus viridescens 



(Urodela), Xenopus laevis, Rana pipiens (Anura) 

 RUBIN, R. W.; Ph.D. Div. of Nat. Sci., New College, SARASOTA, Fla. 33578, U.S.A. 

 a Regulation of protein synthesis during early development. Lymnaea palustris (Gastropoda) 

 b Changing patterns of synthesis and phosphorylation of chromosomal proteins during induced 



encystation. Acanthamoeba spp. (Rhizopoda) 

 RUBIN, Y. L.; Ph.D. - Dept. of Life Sci., Bar-llan Univ., RAMAT-GAN, Israel 

 a Morphogenesis of appendages, with special reference to polarity and symmetry determination. 



Gallus gallus, Coturnix coturnix (Aves) 

 b The acquisition of myogenic competence by undifferentiated limb-bud mesenchyme cells. 



(Aves) 

 RUDDLE, 1". H.; Ph.D., Prof. - Dept. of Biol., Kline Biol. Tower, Yale Univ., NEW HAVEN, Conn. 



06520, U.S.A. 1SDB 



a Discrimination between genetic and cpigenetic events in somatic cells in vitro by studying 



enzyme variants. Mus musculus (Rodentia) 

 b Genetic and epigenetic analysis utilizing somatic cell hybrids. 

 RUDNICK, Miss D.; Ph.D. - Dept. of Biol., Albertus Magnus Coll., 700 Prospect St., NEW HAVEN, 



Conn. 06511, U.S.A. ISDB 



a Development of pharyngeal derivatives. Gallus domesticus (Aves) 

 RUGH, R.; Ph.D., Prof. (Emer.) - Bur. Radiol. Health, H.E.W., F.D.A., 5600 Fisher's Lane, 



ROCKVILLE, Md. 20852, U.S.A. 

 a Microwave radiation effects on the embryo and fetus. (Mammalia) 

 RUNNER, M. N.; Ph.D., Prof. - Inst, of Developm. Biol., Univ. of Colorado, BOULDER, CO 80302, 



U.S.A. ISDB 



RUSCH, H. P.; M.D., Prof. - McArdle Lab. for Cancer Res., Univ. of Wisconsin, 450 N. Randall Ave., , 



MADISON, Wis. 53706, U.S.A. 

 a Acidic nucleoproteins in the control of growth and differentiation. Physarum polycephalum 



(Eumycetozoina) 

 RUSSELL, Mrs. D. H.; Ph.D., Assoc. Prof. - Dept. of Pharmacol., Med. Center, Univ. of Arizona, 



TUCSON, Ariz. 85724, U.S.A. 

 a The relation of cell cycle phase and polyamine synthesis during development. Lytechinus pictus 



(Echinoidea) 

 b Purification of S-adenosyl-L-methionine decarboxylase from eggs. Same species as a 

 SACHS, H. G.;Ph.D. - Dept. of Anat., Univ. of Illinois, P.O. Box 6998, CHICAGO, 111. 60680, U.S.A. 

 SACHS, L.; Prof. - Dept. of Genet., Weizmann Inst, of Sci., P.O.B. 26 REHOVOTH, Israel ISDB 



SACHS, T.; Dr. - Dept. of Bot., The Hebrew Univ., JERUSALEM, Israel ISDB 



a Control of organized vascular strand differentiation: relation to polar transport of radioactive 



hormones. Phaseolus vulgaris (Papilionaceae) 

 b Role of hormones in tumour formation. (Plantae) 

 SACK, W. O.; D.V.M., Ph.D., Prof. - Dept. of Anat., N.Y. State Vet. Coll., Cornell Univ., ITHACA, 



N.Y. 14850, U.S.A. 

 a Establishing a comprehensive embryological slide collection of domestic and laboratory animals. 



Canis familiaris, Felis catus, Bos taurus, Ovis aries, Rattus rattus, Mus musculus, Cavia porcellus 



(Mammalia) (with H. E. EVANS) 

 b Developmental morphology. Canis familiaris (Carnivora), Bos taurus (Artiodactyla) 

 SADANA, G. L.; Ph.D. - Dept. of Zool., Punjab Agric. Univ., LUDHIANA, India 

 a Embryonic development. Pardosa bhatnagari (Lycosidae, Araneida) 

 SAGAWA, Y.; Ph.D., Prof. - Harold L. Lyon Arboretum and Horticults. Dept., Univ. of Hawaii, 



HONOLULU, Hawaii 96822, U.S.A. 

 a Developmental studies of ovule formation. (Orchidaceae) 



b Developmental studies of apical meristem explants. (Orchidaceae and tropical plants) 

 c Studies of in vivo growth of pollen tubes. Same species as a 

 SAITOH, M.; Ph.D. - Natl. Inst, of Anim. Industry, CHIBA-shi, 280 Japan 

 a Nutritional study to increase embryonic survival rate. Sus scrofa domesticus (Artiodactyla) 

 SAKAI, H.; Ph.D., Assoc. Prof. - Dept. of Biophys. and Biochem., Univ. of Tokyo, 7-3-1, Hongo, 



Bunkyo-ku, TOKYO, 1 1 3 Japan ISDB 



a Polymerization of tubulin into microtubules. Hemicentrotus pulcherrimus (Echinoidea) 

 b Mitotic apparatus and tubulin. Same species as a 

 SALLACH, H. J.; Ph.D., Prof. - Dept. of Physiol. Chem., Univ. of Wisconsin, 1215 Linden Drive, 



MADISON, Wis. 53706, U.S.A. 

 a Biochemical aspects of development and differentiation (enzyme changes; metabolism of carbo- 

 hydrates and nucleic acids). Rana pipiens, R. catesbeiana (Anura) 

 SALLES, J. M. de; B.Sc. - Dept. of Gen. Biol., Inst, of Biol. Sci., Fed. Univ. of Minas Gerais, Rua 



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

 a Alteration of spermatogenesis following interspecific hybridization or ionizing radiations. (Triato- 



minae, Hemiptera) 

 SALOMON, D. S.; Ph.D. - Dept. of Cell Biol., Roche Inst, of Molec. Biol., NUTLEY, N.J. 07110, 



U.S.A. 

 a Control of enzyme induction and repression during early embryonic development in relation to 



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