TIEDEMANN, H. Dr.med., Dr.rer.nat., Prof. — Inst, fur Biochem. und Molek. Biol., Fach- 



bereich I (Vorklinik), Freie Univ. Berlin, Arnimallee 22, 1 BERLIN 33, W.Germany • 

 a Morphogenetic factors, characterization and mechanism of action. (Amphibia) (with Mrs. 



H. TIEDEMANN) 

 b RNA and protein metabolism in development. (Amphibia), Gallus domesticus (Aves) 

 TIEDEMANN (WAECHTER), Mrs. H. Dr.rer.nat. — Inst, fur Biochem. und Molek. Biol., 



Fachbereich I (Vorklinik), Freie Univ. Berlin, Arnimallee 22, 1 BERLIN 33, W.Germany 

 a Morphogenetic factors, characterization and mechanism of action. (Amphibia) (with H. 



TIEDEMANN) 

 TIMASHKEVICH, Mrs. T. B. Cand.med.sci. — Inst, of Human Morphol., Acad, of Med. 



Sci. of the U.S.S.R., Baltiyskaya St. 8, MOSCOW 125315, U.S.S.R. 

 a Regeneration and cell division in the stomach. Rattus norvegicus, Mus musculus (Rodentia) 

 b Quantitative evaluation of restoration of resected stomach. Same species as a 

 TIMMERMANS, Miss L. P. M. Ph.D. — Zool. Lab., State Univ. of Utrecht, Janskerkhof 



3, UTRECHT, Netherlands 

 a Cytochemistry and physiology of shell secretion. Lymnaea stagnalis, Pomacea bridgesi 



diffusa (Gastropoda) , Anodonta spec. (Lamellibranchia) 

 b Germinal localization in eggs. Dentalium spec. (Scaphopoda) 

 TINOZZI MASSARI, Mrs. S. Ph.D. — Dept. of Histol. and Embryol., Univ. of Pavia, 



Piazza Botta 10, 27100 PAVIA, Italy 

 a The differentiation of skin. Salmo irideus, S. fario (Teleostei) 

 TITOVA, Mrs. I. I. Cand.biol.sci. — Inst, of Human Morphol., Acad, of Med. Sci. of the 



U.S.S.R., Baltiyskaya St. 8, MOSCOW 125315, U.S.S.R. 

 a Role of tissue antigens in eye development. Gallus domesticus (Aves) 

 TOBIN, C. E. Ph.D., Prof. — Dept. of Human Biol., Univ. of Colorado Dent. Sch., 4200 E. 



9th Ave., DENVER, Colo. 80220. U.S.A. 

 a Blood supply and mineralization of fetal teeth. Homo sapiens (Primates) 

 TOERIEN. M. J. Ph.D., D.Sc, Prof. — Dept. of Anat., Univ. of the O.F.S., P.O.Box 339, 



BLOEMFONTEIN, S.Africa 

 a Morphological and experimental studies on cranial morphogenesis (by means of extirpation, 



heteroplastic and orthotopic transplants, the contributions and interrelationship of the 



visceral, axial, and capsular skeleton are studied). Ambystoma spec, Triturus spec 



(Urodela), Xenopus spec. (Anuva), Chelydra serpentina (Chelonia), Anas boschas, 



Spheniscus demersus, Gallus domesticus (Aves), Oryctolagus cuniculus (Lagomorpha) 

 b Microsurgical induction of malformations of the central nervous system, sense organs, and 



skull. Gallus domesticus (Aves) 

 TOIT, C. A. du Ph.D., Prof. — Zool. Inst., Fac of Sci., Univ. of Stellenbosch, STELLEN- 



BOSCH, S.Africa • 



TOIVONEN, S. I. Ph.D., M.D., Prof. — Lab. of Exper. Embryol., Dept. of Zool., Univ. of 



HELSINKI, Arkadiankatu 7, HELSINKI 10, Finland • 



a The specific action of heterogeneous inductors. Triturus spec. (Urodela) 

 b The mechanism of primary induction. Same species as a (with L. O. SAXEN, Dept. of 



Pathol.) 

 c Cell interaction. Same species as a 

 TOKIN, B. P. Dr.Biol.Sci., Prof. — Dept. of Embryol.. Leningrad State Univ., Mendeleevsky 



St. 5, LENINGRAD V-164, U.S.S.R. 

 a Regeneration, asexual reproduction, and somatic embryogenesis. Dugesia tigrina (Turbella- 



ria) 

 b Morphogenetic processes in starving animals. Dugesia tiqrina (Turbellaria) 

 TOKUNAGA, Miss C. Ph.D. — Dept. of Zool., Univ. of California. BERKELEY, Calif. 



94720, U.S.A. 

 TOKUYASU, K. Ph.D. — Dept. of Biol., Univ. of California, San Diego, P.O.Box 109, LA 



JOLLA, Calif. 92037, U.S.A. 

 a Spermatogenesis in relation to genetics. Drosophila melanogaster (Diptera) 

 b Meiosis: structure of synaptonemal complex. Lilium longiflorum (Liliaceae) 

 TOMPKINS, R. Ph.D. — Dept. of Biol., Princeton Univ., PRINCETON. N.J. 08540, U.S.A. 

 a Origin and function in development of inclusions in eggs. Ambystoma mexicanum 



(Urodela), Xenopus laevis (Anura) 

 b Effects of mutant genes on the development of behavior. Ambystoma mexicanum (Urodela) 

 c Independently mutable sensitivities to thyroxine of metamorphic processes. Same species 



as b 

 TONDURY, G. Dr., Prof. — Anat. Inst, der Univ., Gloriastr. 19, 8006 ZURICH, Switzer- 

 land • 

 a Action of different viruses on embryos, pathogenesis, and way of infection. (Vertebrata) 

 b Development of the lymphatic system. (Vertebrata) 

 TONEBY, M. I. Fil.kand. — Wenner-Gren Inst., Norrtullsgatan 16 S-l 13 45 STOCKHOLM, 



Sweden 

 a Metabolism of tryptophane and 5-hydroxytryptamine (serotonin). (Echinoidea) 

 b Embryological development of collagen. (Echinoidea) 



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