a Genetic and biochemical analysis of aggregation, differentiation, and morphogenesis. 



Dictyostelium discoideum (Acrasiales) 

 ROWLEY, D. A.; M.D., Prof. - Dept. of Pathol. Pediat., Univ. of Chicago, 1101 E. 57th St., 



CHICAGO, IE 60637, U.S.A. 

 RUBEN, L. N.; Ph.D., Prof. - Biol. Dept., Reed College, PORTLAND, OR 97202, U.S.A. 

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



(immunocytoadherence, hapten-carrier immunization, haemagglutination). I'riturus viridescens 



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

 RUDDLE, F. H.; Ph.D., Prof. - Dept. of Biol., KUne Biol. Tower, Yale Univ., NEW HAVEN, 



CT 06520, U.S.A. 

 a Somatic cell genetics: analysis of the genetics and of epigenetic systems using a cell genetic 



approach. Mus musculus. Homo sapiens and others (Mammalia) 

 b Manipulation of the genetic constitution. (Mammalia) 

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



CT 06511, U.S.A. 



No work on developmental biology in progress 

 RUDOLPH, A. M.; M.D., Prof. - Cardiovasc. Res. Inst., Univ. of Calif., 1403 HSE, SAN FRANCISCO, 



CA 94143, U.S.A. 

 a Physiology of fetal circulation: developmental changes; responses to stress; effects of pharma- 

 cologic agents. (Mammalia) 

 RUGH, R.; Ph.D., Prof. (Emer.) - Bur. of Radiol. Health, Div. of Biol. Effects, F.D.A., 5600 Fishers 



Lane, HFX-120, ROCKVILLE, MD 20852, U.S.A. 

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

 b Risk to the embryo and fetus of pelvic irradiation. Homo sapiens (Primates) 

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



U.S.A. 

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



MADISON, WI 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, AZ 85724, U.S.A. 

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

 a Development of the normal heart and a genetic cardiomyopathy (biochemistry) (calcium 



dynamics of the sarcoplasmic reticulum), quantitative electron microscopy, electrophysiology). 



Gallus domesticus (Aves) Mesocricetus auratus (Rodentia) 

 SACHS, L.; Prof. - Dept. of Genet., Weizmann Inst, of Sci., P. O. Bo.x 26, REHOVOT, Israel 

 a Control of differentiation in normal and malignant blood cells and nerve cells 

 b Membrane changes in development 

 c Genetic control of parthenogenesis 



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

 SACK, W. O.; Ph.D., Dr.med.vet., Prof. - Dept. of Anat., N.Y. State Vet. Coll., CorneU Univ., 



ITHACA, NY 14850, U.S.A. 

 a EstabUshing 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: nerve distribution. Equus caballus (Perissodactyla) 

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

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



HONOLULU, HI 96822, U.S.A. 

 a Developmental studies of ovule formation. (Or'chidaceae) 



b Developmental studies of apical meristem explants. (Orchidaceae and other 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., Prof. - Dept. of Biophys. and Biochem., Univ. of Tokyo, Hongo, Bunkyo-ku, 



TOKYO, 113 Japan 

 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, WI 53706, U.S.A. 

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



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

 a Alteration of spermatogenesis following interspecific hybridization or ionizing radiations. 



(Triatominac, Hemiptera) 

 SALOMON, D. S.; Ph.D. Lab. of Developm. Biol, and Craniofacial Anomalies, Natl. Inst, of Dent. 



Res., Natl. Inst, of Health, Bldg. 30, Rm 414, BETHESDA, MD 20014, U.S.A. 

 a Developmental biochemistry; hormonal control of differentiation (general). Mus musculus 



(Rodentia) 

 b Characterization of glucocorticoid receptors in embryonic tissues during development; role of 



glucocorticoids in the control of tissue-specific biochemical markers during development. Same 



species as a 

 c Etiology of glucocorticoid-induced clefting of the secondary palate; definition of the molecular 



meclianism(s) by which glucocorticoids function as teratogens during development; biologic 



76 



