Tram 91 Tw 



TRAMPUSCH, H. A. L. Dr Phil. — Anat.-Embryol. Inst., Municipal Univ. 

 of Amsterdam, Mauritskade 61, AMSTERDAM O, Holland 



a. Studies concerning the effect of X-rays on embryonic development. 

 Continuation of earlier experiments. (Urodela) (in collaboration with 

 }. T. TENG KHOEN HING) 



b. Experiments aimed to clarify the way in which determination of blastema 

 takes place during regeneration. (Urodela) 



c. Experiments testing the role which different tissues play in accumulation 

 of a regeneration-blastema. (Urodela) (in collaboration with A. J. 

 VERGROESEN) 



d. Experiments directed to circumstances under which regeneration will be 

 stimulated or inhibited. (Urodela) 



e. Histochemical analysis of regenerating limbs and tails. (Urodela) (in 

 collaboration with P. COHEN) 



f. Cytological analysis of regenerating limbs with particular regard to 

 pathological aspects of cell structures. (Urodela) (in collaboration with 

 Miss P. J. VISSER) 



g. Influence of metamorphosis on the different stages of regeneration. 

 (Urodela) (in collaboration with Miss E. A. KUIPER) 



TRIBE, Miss M. D.Sc. — King's Coll., Strand. LONDON W.C.2, England 

 (U.K.) 

 a. Fate of the dermatome. Gallus domesticus (Aves) 

 h. Early development of the gill pouches. Rana temporaria (Anura) 

 TRINKAUS, J. P. M.A., Ph.D. — Osborn Zool. Lab., Yale Univ., NEW 

 HAVEN 11, Conn.. U.S.A. 

 a. Mechanism of gastrulation, with particular attention to role of periblast. 



Fundulus heteroclitus (Teleostei) 

 h. Experimental studies on histogenesis. Gallus domesticus (Aves) 

 TROLLOPE, Miss E. M. B.Sc. Hons. (Rand.) — Dept of Zool.. Univ. of 

 the Witwatersrand, Milner Park, JOHANNESBURG, South Africa 

 a. The effects of anti-organ sera on developing embryos. Gallus domesticus 

 (Aves) 

 TRUSLOVE, Miss G. M. B.Sc, Ph.D. — Dept of Genetics, Univ. Coll. 

 London, Gower St, LONDON W.C.I, England (U.K.) 

 a. Developmental genetics of skeletal mutants. Mus musculus (Rodentia) 

 TSCHUMI. P. A. — Abt. fiir Zoophysiol.. Zool. Inst, der Univ., Sahhstr. 8. 

 BERN, Schweiz 

 a. Die Bedeutung der physiologischen Konkurrenz und weiterer intrablas- 

 tematischer Korrelationen bei der Entwicklung chemisch behandelter 

 Extremitaten. Xenopus (Anura) 

 h. Modellversuche zur Genese von Extremitatenmissbildungen. Xenopus 



(Anura) 

 c. Interpretation phylogenetischer Strahlenreduktionen. Xenopus (Anura) 

 TUFT, P. H. M.A., Ph.D. (Cantab.) — Dept of Zool., Univ. of Edinburgh. 

 West Mains Rd, EDINBURGH 9, Scotland (U.K.) 

 (no data received on Nov. 1^'. 1953) 

 TUNG, T. C. F.I. I.E., Dr, Prof. — Dept of Zool., Univ. of Shantung, 

 TSINGTAO, China (no data received) 



TWITTY, V. C. F.I.I.E.. Dr. Prof. — Dept of Biol. Sci., Stanford Univ., 

 STANFORD. Cal.. U.S.A. 



