b Structural and functional relationship between macro and micronuclei, and their changes during 



asexual reproduction. Stentor coeruleus, S. polymorphus (Ciliata) 

 c Relationsliips of cytoplasmic differentiation and regulation of physiological functions in dorsi- 



conjugants. Stylonychia mytilus (Ciliata) 

 d Experiments on nucleo-cytoplasmic relationship after cytoplasmic exchange between distantly 



related species. Stentor coeruleus, Spirostomum ambiguum, Paramecium bursaria (Ciliata) 

 e Ultrastructure and cytochemistry of macronuclear regulation in dorsi-conjugants. Same species 



as c , ^ 



f Differentiation and dedifferentiation of nuclear apparatus durmg encystment and excystment, 



their relation with cytoplasmic changes (cytochemistry, ultrasjructure). Same species as c 

 g Why and how the surplus macronuclei of daughter cells, produced by translation of macronuclei 



during asexual reproduction, lose their functions. Same species as c 

 TCHEN, T. T.; Ph.D., Prof. - Chem. Dept., Wayne State Univ., 435 Chemistry Bldg., DETROIT, 



Ml'48202, USA 

 a Role(s) of c-AMP, prostaglandins, neurotransmitters and morphogenetic movement on neural 



differentiation. Xenopus laevis (Anura), Ambystoma mexicanum, Pleurodeles waltlii (Urodela) 

 b Role of c-AMP in differentiation of stem cells into melanocytes and in cytodifferentiation of 



melanocytes. Carassius auratus (Teleostei) 

 TEITELMAN de PINCZUK, Mrs. G. N.; Ph.D. - Inst, de Biol. Celular, Fac. Med., Paraguay 2155, 



1121 BUENOS AIRES, Argentina 

 TEMIN H M.; Ph.D., Prof. - McArdle Lab. for Cane. Res., Univ. of Wisconsin, 450 N. Randall Ave., 



MADISON, WI 53706, USA 

 a The role of RNA-diiected DNA polymerase activity in embryonic development; the mechanisms 

 of replication of avian ribodeoxyviruses; the origin of viruses and the formation of genes for neo- 

 plastic transformation. Callus domesticus and other spp. (Aves) 

 TEPFER S S ; Ph.D., Prof. - Dept. of Biol., Univ. of Oregon, EUGENE, OR 97403, USA 

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



Univ., 630 W. 168th St., NEW YORK, NY 10032, USA 

 TERASHIMA, Y.; M.D. - Dept. of Orthop. Surg., Nagoya Univ., Tsuruma-cho, Showa-ku, NAGOYA, 



466 Japan 

 TERAYAMA, H.; Ph.D., Prof. - Zool. Inst., Univ. of Tokyo, Hongo, Bunkyo-ku, TOKYO, 113 Japan 

 a Mechanism of homeostatic growth regulation in liver regeneration. Rattus norvegicus (Rodentia) 

 b Biochemical changes in cell surface structure of tumor cells of comparison with corresponding 



normal cells. Same species as a 

 c Activation of DNA-synthetic key enzyme in unfertilized eggs upon homogenization and fertiliza- 

 tion. Pseudocentrotus depressus and other spp. (Echinoidea) 

 d Cell surface glycoproteins of uterus and blastocyst. Same species as a 

 e Cell surface glycoproteins in developing embryos. Same species as c 

 TERRANA, B.; Ph.D. - Dept. of Biol. Sci., Hunter CoU., 695 Park Ave., Box 1582, NEW YORK, 



NY 10021, USA 

 a DNA modifying enzymes during embryonic development. (Echinoidea) 

 THEIL Ms. E C; Ph.D. - Dept. of Biochem., North Carolina State Univ., Box 5050, RALEIGH, 



NC 27650. USA . . , 



a Quantitative change in expression of erythrocyte ferritm genes durmg development; control by 

 differentiation program and external environment. Rana catesbeiana (Anura), Gallus domesticus 

 (Aves), Mus musculus (Rodentia) 

 THOMAS, v.; M.Sc. - Dept. of Zool., Fac. of Sci., M.S. Univ. of Baroda, BARODA 390002, India 

 a Transplantation experiments on regenerating systems. (Lacertilia) 

 THOMMES, R. C; Ph.D., Prof. - Dept. of Biol. Sci., De Paul Univ., 1036 W. Belden Ave., CHICAGO, 



IL 60614, USA 

 a Hormonal control of yolk sac membrane metabolism. Gallus domesticus (Aves) 

 b Endocrine function of embryonic pancreas. Same species as a 

 c Thyroid function in the embryo. Same species as a 

 THOMPSON R P ; Ph D. Assoc. Prof. - Dept. of Biol. Sci., State Univ. CoU., BROCKPORT, NY 



14420, USA 

 THOMPSON, R. S.; Ph.D. - Calif. Primate Res. Ctr., Univ. of California, DAVIS, CA 95616, USA 

 a Fertilization in vitro and in vivo. (Mammalia) 

 b Collection, evaluation and freezing of semen with subsequent artificial insemination. Macaca 



mulatta, M. radiata (Primates) 

 c Teratogenic effects of estrogen-like materials. Macaca mulatta (Primates) 

 THOMSON, Ms. D. V.; B.Sc. - Dept. of Reprod. Physiol., Anim. Res. Inst., OTTAWA, Ont. KIA 



0C6, Canada 

 a Endocrinology of the developing embryo. GaUus gallus (Aves) 



THORNLEY A. L.; Ph.D. - Zool. Dept., Univ. of the Witwatersrand, Jan Smuts Ave., JOHANNES- 

 BURG 2001, S.Africa 

 a Chalones in early development and adult regenerative growth. Xenopus laevis (Anura), Mus 



musculus (Rodentia) 

 THURMOND, W.; Ph.D., Prof. - Biol. Sci. Dept., Calif. Polytechn. State Univ., SAN LUIS OBISPO, 



CA 93401, USA 

 a Development of hypothalamic and pituitary control of the adrenal cortex; (extirpation, trans- 

 plantation, histochemistry). Ambystoma tigrinum (Urodela), Hyla regilla, Bufo boreas (Anura) 

 b Development of adenohypophyseal and hypothalamic melanophorc-expanding activity. Hyla 

 regilla (Anura) 



92 



