Tri-UU 



a. Mechanics of the morphogenetic field during regeneration. Ambystoma 

 mexicanum (Urodela) 



b. Nerve action during regeneration. Ambystoma mexicanum (Urodela) 

 (in collaboration with Miss A. E. HARREBOMEE and C. D. A. VER- 

 WOERD) 



c. Experiments on inductive processes in adult organisms. Ambystoma mexi- 

 canum (Urodela) (in collaboration with Miss A. E. HARREBOMEE) 



d. Effect of X-rays on the pattern of nucleic acids in the regenerate. Ambys- 

 toma mexicanum (Urodela) (in collaboration with C. D. A. VER- 

 WOERD) 



e. Experiments designed to test relations of inhibitors of embryonic devel- 

 opment to the effect of X-rays. Ambystoma mexicanum (Urodela), Mus 

 spec. (Rodentia) (in collaboration with J. v. d. BORDEN) 



f. Tracer-studies upon the course of regeneration. Ambystoma mexicanum 

 (Urodela) (in collaboration with W. STERK) 



g. Studies on the teratogenic effect of metabolic inhibitors. Gallus spec. 

 (Aves) (in collaboration with J. N. JAGER) 



TRINKAUS, J. P. M.A., Ph.D., M.I.I.E. — Dept. of Biol.. Josiah Willard 

 Gibbs Research Lab., Yale Univ., NEW HAVEN 11, Conn., U.S.A. 



a. Cytodifferentiation. Fundulus heteroclitus (Teleostei), Gallus domesti- 

 cus (Aves) 



b. Cell affinities. Gallus domesticus (Aves) 



c. Mechanism of morphogenetic movements. Fundulus heteroclitus (Tele- 

 ostei) 



TRIPLETT, E. L. B.A., Ph.D., Prof. — Dept. of Biol. Sci., Univ. of Califor- 

 nia, SANTA BARBARA, Calif., U.S.A. 

 a. Studies on the nature of immune systems with special interest in their 

 development. The nature of immunological self-recognition. Hyla regilla 

 (Anura) 



TRUSLOVE, Miss G. M. B.Sc, Ph.D. — Dept. of Genet., Univ. Coll. Lon- 

 don, Gower St., LONDON W.C. 1, England 

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



TSCHUMI, P. A. Dr. — Zool. Inst, der Univ. Bern, Sahiistr. 8, BERN, 

 Schweiz 



a. Entwicklungsphysiologische Untersuchungen an Fliigel-Imaginalschei- 

 ben der Mutante "Pearl". Drosophila melanogaster (Diptera) 



b. Die Wechselwirkungen zwischen Epidermis und Mesoderm bei der Ent- 

 wicklung der Amphibienextremitaten. Xenopus laevis (Anura) 



TUCHMANN-DUPLESSIS, H. M.I.I.E., Prof. — Lab. d'Embryol., Fac. de 

 Med., 45 Rue des Sts. Peres, PARIS Vie, France 



a. Anencephalie. Homo sapiens (Primates) 



b. Teratogenese par sulfamides hypoglycemiants, antimetabolites. Rattus 

 spec. (Rodentia) (en collaboration avec Mrs. L. MERCIER (PAROT) ) 



c. Influence des hormones sur le developpement foetal. Rattus spec. (Ro- 

 dentia) 



d. Influence des alcaloides du Rauwolfia, de la reserpine et de la deserpidine, 

 sur le developpement. Rattus spec. (Rodentia) (en collaboration avec 

 Mrs. L. MERCIER (PAROT) ) 



e. Influence des neuroleptiques sur la fertilite et le developpement foetal. 

 Rattus spec, Mus spec. (Rodentia), Oryctolagus cuniculus (Lagomor- 

 pha) 



166 



