Thunqvist-Tuc 



a. The mechanism of agglutination of spermatozoa. (Mammalia) (in colla- 

 boration with P. E. LINDAHL, E. NORDLING, R. BRATTSAND, 

 N.-O. BODIN and G. UHLIN) 

 THURMOND, W. A.B., M.A., Ph.D. — Biol. Sci. Dept., Calif. State Poly- 

 technic College, SAN LUIS OBISPO, Cal., U.S.A. 

 a. Physiogenesis of the adeno- and neurohypophysial primordia. Hyla 

 regilla (Anura) 

 TIEDEMANN, H. Dr.med., Dr.rer.nat., Dr.habil. — Heiligenberg-Inst., 



(17b), HEILIGENBERG, Kreis Ueberlingen/Bodensee, Deutschland 

 a. Chemische Physiologie der Entwicklung. (Amphibia) 

 TIEDEMANN (WAECHTER), Mrs. K. Dr.rer.nat. — Heiligenberg-Inst, 

 (17b), HEILIGENBERG, Kreis Ueberlingen/Bodensee, Deutschland 

 a. Chemische Physiologie der Entwicklung. (Amphibia) 

 TIMMERMANS, Miss L. P. M. M.Sc. — Zool. Lab. der Rijks Univ., Jans- 

 kerkhof 3, UTRECHT, Holland 

 a. Cytochemistry and physiology of shell secretion. Limnaea stagnalis (Gas- 

 tropoda) 

 TISNA-AMIDJAJA, D. A. Dr.rer.nat. — Dept. of Chemistry and Biol., 

 Inst, of Technol., Djl. Ganeca 10, BANDUNG, Indonesia 



a. Standard food and growth curve. Rhacophorus leucomystax, Bufo mela- 

 nosticus (Anura) 



b. Hybridization between the striped and non-striped variety. Rhacophorus 

 leucomystax (Anura) 



TIXIER (VIDAL), Mrs. A. Dr. es Sci. — Lab. d'Histophysiol., Coll. de 

 France, 4 Avenue Gordon Bennett, PARIS 16e, France 



a. Differenciation de la thyroide embryonnaire en culture d'organe (methode 

 de WOLFF). Gallus domesticus (Aves) 



b. Apparition de la fonction thyreotrope dans l'hypophyse embryonnaire 

 (etude experimentale). Gallus domesticus (Aves) 



c. Autodifferenciation in vitro de la fonction thyreotrope de l'hypo- 

 physe embryonnaire. Gallus domesticus (Aves) 



d. Influence exercee in vitro par divers tissus sur la reponse de la 

 thyroide de l'embryon de 8 jours a l'hypophyse embryonnaire de meme 

 age. Gallus domesticus (Aves) 



e. Influence d'un abaissement de la temperature d'incubation sur la thyroide 

 embryonnaire (histologic et biochimie). Gallus domesticus (Aves) 



TOIT, C. A. du M.Sc, Ph.D., Prof. — Zool. Inst., Fac. of Sci., Univ. of 



Stellenbosch, STELLENBOSCH, South Africa 



(no embryological work in progress) 

 TOIVONEN, S.I. Ph.D. F.I. I.E., Prof.— Zool. Lab. Univ. of Helsinki, 



P. Rautatiekatu 13, HELSINKI, Finland 



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



b. The inductive action of malignant tumors. Triturus spec. (Urodela) (in 

 collaboration with L. O. SAXfiN) 



c. The mechanism of the induction produced by heterogenous inductors. 



Triturus spec. (Urodela) (in collaboration with L. O. SAXfiN and 

 E. T. VAINIO) 

 TOMITA, H. B.Sc, M.A. — Biol. Inst. Fac. of Sci., Nagoya Univ., Chi- 

 gusa-Ku, NAGOYA, Japan 

 a. Melanin formation in color phenotypes. Oryzias latipes (Teleostei) (in 

 collaboration with T. YAMAMOTO and T. HISHIDA) 



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