RUDI'RMAN, Ms. J. V.: Ph.D. - Dept. of Anat., Harvard Med. School, 25 Shattuck St., BOSTON, 



MA 02115, USA 

 a Synthesis and utilisation of messenger RNA during oogenesis. Arbacia punctulata, Strongylo- 



centrotus purpuratus, Lytcehinus pictus (l-chinoidea) 

 b Segregation of maternal messenger RNA and proteins during cleavage, and the onset of 



differential gene expression in early blastomeres. Spisula solidissima (Bivalvia) 

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



CA 94143 USA 

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



Lane HFX-120, ROCKVILLE, MD 20857, USA 

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

 RUSCH, H. P.; M.D., Prof. (Emer.) - McArdle Lab. for Cane. Res., Univ. of Wisconsin, 450 N. RandaU 



Ave., MADISON, WI 53706, USA 

 RUSKAN, G. A., Jr. - Dept. of Biol, and Allied Health Sci., Fairleigh Dickinson Univ., 285 Madison 



Ave., MADISON, NJ 07940, USA 

 a Embrvo culture in vitro. Blattella germanica (Blattodea) 

 RUTH, R. F.; Ph.D. - Dept. of Zool., Fac. of Sci., Univ. of Alberta, EDMONTON, Alta. T6G 2E9, 



Canada 

 RYERSE, J. S.; Ph.D. - Dept. of Pathol., St. Louis Univ. Med. Ctr., 1402 S. Grand Blvd., ST. 



LOUIS, MO 63104, USA 

 -a Quantitative/qualitative EM of imaginal disc cells incl. stereology, morphometries, enzyme 



histochemistry, in vitro culture, etc., part, role of gap junctions in pattern formation and growth 



control during normal and abnormal development. Drosophila melanogaster (Diptera) 

 b Malpighian tubules: mechanisms by which ccdysteronc and juvenile hormone interact to mod- 

 ulate fluid transport and cell structure, localisation and developmental changes in Na-K-ATPasc 



activity and the control of mitochondrial movement. Calpodes ethlius (Lepidoptera) 

 SACHS, H. G.; Ph.D. - Dept. of Anat., Univ. of Illinois, P.O.Box 6998, CHICAGO, IL 60680, USA 

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



dynamics of intact cell and subcellular fractions, quantitative electron microscopy, electro- 

 physiology). Gallus domesticus (Aves), Mcsocricetus auratus (Rodentia) 

 SACHS, L.: Prof. - Dept. of Genet., Weizmann Inst, of Sci., P.O.Box 26, REHOVOT, Israel 

 a In vitro and in vivo induction of normal cell differentiation in myeloid leukemia 

 b Genetic and molecular dissection of differentiation in normal and leukemic myeloblasts 

 c Induced and constitutive sene expression and control of cell differentiation 

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

 a Experiments on the exact course of differentiation of vessel and phloem patterns. Raphanus 



sativus, Brassica naporapa (Cruciferae) 

 b Control of flowering (apex differentiation): plant size, leaf number, distance from root and other 



factors. Pisum sativum and other spp. (Angiospermae) 

 c Determination and regeneration in the development of form in shoot apices and leaves. Pisum 



sativum (Papilionaceae) 

 SACK, W. O.; D.V.M., Ph.D., Dr.med.vet., Prof. - Dept. of Anat., NY State CoU. of Vet. Med., 



Cornell Univ., ITHACA, NY 14853, USA 

 a Nerve distribution in the limb. Horse 

 b Nerve distribution in lumbar region and cecum. Cow 



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

 a Postembryonic development. Olios obesulus (Araneae, Arachnida) 

 SADLER, T. W.; Ph.D. - Dept. of Anat., Coll. of Med., Univ. of Cincinnati, CINCINNATI, OH 



45267, USA 

 a Mechanisms involved in neural tube closure and abnormalities of closure such as spina bifida and 



exencephaly . Mouse 

 b Effects of hyperinsulinism and hyperglycemia on organogenesis. Mouse 

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



HONOLULU, HI 96822, USA 

 a Developmental studies of ovule formation. (Orchidaceae) 



b Developmental studies of apical meristem explants. Species as a, and other tropical plants 

 c Studies of in vivo growth of pollen tubes. Species as a 



SAHU, A. K. - Dept. of Zool., Sch. of Life Sci., North Eastern Hill Univ., SHILLONG 793003, India 

 SAIGA, H.; Dr. - Lab. of Devi. Biol., Mitsubishi-Kasei Inst, of Life Sci., 11 Minami-ooya, Machida, 



TOKYO 194, Japan 

 a Analysis of RNA synthesis by isolated nucleoli of oocytes to define the element(s) involved in 



the regulation of ribosomal gene transcription. Xenopus laevis (Anura) (with T. HIGASHINAKA- 



GAWA) 

 SAITO, S.; D.Sc. - Dept. of Biol., Coll. of Gen. Educ, Osaka Univ., Toyonaka, OSAKA, 560 Japan 

 a Comparative morphology, biochemistry and physiology from the viewpoints of development, 



sexuality and morphogenesis. Haematococcus lacustris, Gonium multicoccum, G. quadratum, 



G. octonarium, G. pectorale (Volvocales, Chlorophyceae) 

 SAITOH, M.; Ph.D. - Natl. Inst, of Anim. Industry, Tsukuba Norindanchi P.O.Box 5, Ibaraki, 305 



Japan 

 a Determination of protein and energy requirements for maintenance in pregnant animals. Rat, Pig 

 b Estimation of utilisation rate of dietary protein and energy by the fetus 

 SAKAI, H.; Ph.D., Prof. - Dept. of Biophys. and Biochem., Univ. of Tokyo, Hongo, Bunkyo-ku, 



TOKYO, 113 Japan 



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