Tondury-Ulr 



d. Untersuchungen iiber den Einfluss radiogenetischer Substanzen auf die 

 Differenzierung der Extremitatenanlagen. Gallus domesticus (Aves), 

 Mus musculus (Rodentia) (in Zusammenarbeit mit K. THEILER, J. 

 RICKENBACHER und W. KOCHER) 



TOROK, L. J. — Inst, of Histol. and Embryol., Med. Univ., Tiizolto u. 58, 

 BUDAPEST IX, Hungary 



TORREY, Th. W. A.B., A.M., Ph.D. — Dept. of ZooL, Indiana Univ., 

 BLOOMINGTON, Ind., U.S.A. 



TRACY, H. C. Ph.D., Prof. (Emer.) —Dept. of Anat, Med. School, Univ. 

 of Kansas, LAWRENCE, Kansas, U.S.A. 

 — personal address: General Delivery, OXFORD. Miss., U.S.A. 



TRAMPUSCH, H. A. L. Ph.D., M.I. I.E. — Div. of exp. Morphol., Anat.- 

 Embryol. Inst., Municipal Univ. of Amsterdam, Mauritskade 61, AM- 

 STERDAM O., Netherlands 



a. Mechanics of the morphogenetic field during regeneration. Ambystoma 

 mexicanum (Urodela) 



b. Studies to investigate inductive effects on regenerative blastemata. Am- 

 bystoma mexicanum (Urodela) 



c. Experiments on inductive processes in adult organisms. Ambystoma 

 mexicanum (Urodela) (in collaboration with Miss. A. E. HARRE- 

 BOMEE) 



d. Analysis of dedifferentiation as precursor of regeneration. Ambystoma 

 mexicanum (Urodela) (in collaboration with Miss A. E. HARREBO- 

 MEE) 



e. Effect of X-rays on the pattern of nucleic acids in the regenerate. Am- 

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

 WOERD) 



f. Experiments designed to test relations of inhibitors of embryonic develop- 

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

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



TRINKAUS J. P. M.A., Ph.D., M.I.I.E. — Dept. of Zool., 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. Fundulus heteroclitus (Teleostei), Gallus domesticus 

 (Aves) 



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

 leostei), Gallus domesticus (Aves) 



TRIPLETT, E. L. B.A., Ph.D. — Dept. of Biol. Sci., Univ. of California, 



SANTA BARBARA, Cal., 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. of 



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

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

 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)) 



142 



