Takata 86 Toi 



a. Behaviour of some phosphorous compounds in developing embryos. 

 Triturus pyrrhogaster (Urodela) (in collaboration with T. YAM ADA) 



b. Ribonuclease activity in different presumptive regions of developing 

 embryos. Triturus pyrrhogaster (Urodela) 



TAKAYA, H. Ph.D.. Asst Prof. — Lab. of Embryol. and Exp. Morphol., 

 Zool. Inst., Dcpt of Sci., Kyoto Univ., KYOTO, Japan. 



a. Production of situs inversus viscerum. Triturus, Hynobius, 

 Rana, Bufo (Amphibia) 



b. Sex-reversal. Triturus, Rana (Amphibia) 



c. Regional specificity of the inductive faculty of the organizer. Triturus, 

 Hynobius (Urodela) 



TARDENT, P. — Abt. fiir Zoophysiologie, Zool. Inst, der Univ., Sahlistr. 

 8, BERN. Schweiz. 

 a. Regeneration (Bedeutung der I-Zellen). (Hydrozoa, Coelenterata) (in 

 Zusammenarbeit mit F. E. LEHMANN) 

 TESTA, Italo Dr — Heihgenberg-Inst., (17b) HEILIGENBERG, Kreis 

 Ueberlingen/Bodensee, Dcutschland. 

 a. Regulationsvorgange an experimentell hergestellten eineiigen Zwillingen. 

 Triton (Urodela) (gemeinsam mit O. MANGOLD) 

 TEYSSEYRE. Miss J. Dr en Med. — Lab. d'Embryol., Fac. de Med.. 15 

 Rue de I'Ecole de Med., PARIS V^, France, 

 a. Repercussions du fonctionnement thyroidien maternel sur le developpe- 

 ment du systeme nerveux de I'embryon. 

 THEILER, K. Dr Med. — Anat. Inst, der Univ., Gloriastr. 19. ZURICH, 

 Schweiz. 



a. Ueber die Entstehung von Wirbelkorperfehlbildungen. Homo (Primates) 



b. Ueber die Entwicklung von Missbildungen der Wirbelsaule. Homo, 

 Gallus und Mus (Vertebrata) 



THERMES, G. Dr — 1st. di Zool.. Univ. di Stato, Viale S. Bartolomeo 1, 



CAGLIARI, Sardegna, Itaha. 



(no data received over some years) 

 THOMAS, R. Lie. Sc. Chim. — Lab. de Morphol. anim., Fac. des Sci., 



Univ. Libre de Bruxelles, 1850 Chaussee de Wavre, BRUXELLES- 



Auderghem, Belgique. 



(no data received on Nov. 1^*, 1952) 

 THOMASON. Miss D. B.A. (Hons.) — The Royal Free Hospital School 



of Med.. 8 Hunter St.. LONDON W.C. 1. England (U.K.) 

 a. Absorption and localisation of phosphate in embryos during development, 



using P 32. (Amphibia) 

 THOMSON FLYNN. T. F.I.I.E., Dr., Prof. — Fac. of Sci., Queens Univ.. 



BELFAST, Ulster, Eire (U.K.) (no data received) 



THORSSELL, Miss G. — Inst, for Zoophysiol, Fac. of Mat.-Nat.Sci., Villa- 



vagen 9, UPPSALA, Sweden, 

 a. The primary sex rate. (Mammalia) 

 THURMOND, W. A.B., M.A. — Dept of Zool., Univ. of Cahfornia, BER- 

 KELEY 4, Cal., U.S.A. 

 a. The determination of the first appearance of intermedin in ontogeny. 



Hyla regilla (Anura) 

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



Dept of Physiol.. P. Rautatiekatu 13. HELSINKI. Finland, 

 a. The specific action of heterogenous inductors. Triton (Urodela) 



