b The postnatal development of activity of several acid hydrolase enzymes in the brain. 



Rattus norvegicus (Rodentia) (with J. N. ALLEN) 

 TRELSTAD, R. L. M.D. — Developm. Biol. Lab., Massachusetts Gen. Hosp., BOSTON, 



Mass. 02114, U.S.A. • 



a Development of the fibrous architecture of the orthogonal collagen lamellae in the corneal 



stroma. Gallus domesticus (Aves) 

 b Characterization of the molecular species of collagen in developing connective tissues. 



Gallus domesticus (Aves) 

 c Synthesis and degradation of hyaluronic acid in the developing cornea. Gallus domesticus 



(Aves) 

 TRIGG, Miss M. J. Ph.D. — Dept. of Genet., Albert Einstein Coll. of Med., Yeshiva Univ., 



Eastchester Rd. & Morris Park Ave., NEW YORK, Bronx, N.Y. 10461, U.S.A. 

 a Genetic control of hair differentiation and enzyme differentiation. Mus musculus (Rodentia) 

 TRINKAUS, J. P. Ph.D., Prof. — Dept. of Biol., Kline Biol. Tower, Yale Univ., NEW 



HAVEN, Conn. 06520, U.S.A. • 



a Cell contacts, cell movements, and mechanisms of morphogenetic movements with 



techniques of cell culture, cinemicrography, electron microscopy, cell dissociation and 



reaggregation, electrophysiology and chemistry of the cell surface, and microsurgery. 



Fundulus heteroclitus (Teleostei), Xenopus laevis (Anuca), Gallus domesticus (Aves) 

 b Mechanism of epiboly (ultrastructure, cytochemistry, time-lapse cinematography). Fundulus 



heteroclitus (Teleostei) (with T. BETCHAKU) 

 TRIONE, E. J. Dr., Prof. — Dept. of Bot. and Plant Pathol., Oregon State Univ., COR- 



VALLIS, Ore. 97331, U.S.A. 

 a Biochemical mechanisms of flowering. (Angiospermae) 

 b Biochemical mechanism of light-induced sporulation. (Fungi) 



TRIPLETT, E. L. Ph.D., Prof. — Dept. of Biol. Sci., Univ. of California, SANTA BARBA- 

 RA, Calif. 93106, U.S.A. 

 a Tyrosine oxidase synthesis during development. Rana pipiens (Anura) 



TROSCH, W. — Inst, fur Genet., Univ. des Saarlandes, 66 SAARBROCKEN 11, W.Germany 

 a Measurements of inorganic ions and their fluxes in cell nuclei during development. 



Chiconomus thummi (Diptera) 

 TRUMAN, D. E. S. Ph.D. — M.R.C. Epigenet. Res. Group, Inst, of Anim. Genet, Univ. of 



Edinburgh, West Mains Rd., EDINBURGH EH9 3JN, Scotland, U.K. • 



a Immunochemistry of lens development. Xenopus laevis (Anura), Gallus domesticus (Aves) 



(with J. C. CAMPBELL and R. M. CLAYTON) 

 b Antigenic studies of lens regeneration. Xenopus laevis (Anura) (with J. C. CAMPBELL) 

 TRUSLOVE, Miss G. M. Ph.D. — Dept. of Anim. Genet., Univ. Coll. London, Wolfson 



House, 4 Stephenson Way, LONDON NW1 2HE, England 

 a The analysis of skeletal variation in animals selected for large or small size and controls. 



Mus musculus (Rodentia) 

 TSAFRIRI, A. M.Sc. — Dept. of Biodynamics, Weizmann Inst, of Sci., P.O.B. 26, RE- 



HOVOT, Israel 

 a Nucleic acid metabolism of ovum. Rattus norvegicus (Rodentia) 

 b Maturation and hormonal requirements of follicle enclosed ova in vitro. Rattus 



norvegicus (Rodentia) 

 TSUKAHARA, J. M.Sc. — Marine Biol. Station, Nagoya Univ., Sugashima, TOBA-shi. 



Mie-ken, 517 Japan 

 a Electron microscopy and biochemistry of oogenesis. Hemicentrotus pulcherrimus, Mespilia 



globulus (Echinoidea) 

 TUCHKOVA, Mrs. S. J. — Inst, of Developm. Biol., Acad, of Sci. of the U.S.S.R., Vavilov 



St. 26, MOSCOW 117133, U.S.S.R. 

 a Restoration of regeneration capacity of limbs after x-irradiation. Ambystoma mexicanum 



(Urodela) (with L. V. POLEZHAEV and N. A. TEPLITZ) 

 TUCHMANN-DUPLESSIS, H. Prof. — Lab. d'Histol.- Embryol. A, Fac. de Med., 45 rue 



des Sts.Peres, 75 PARIS Vie, France • 



a Anencephalie. Homo sapiens (Primates) 

 b Teratogenese par sulfamides hypoglycemiants, antimetabolites. Rattus spec. (Rodentia) 



(avec L. MERCIER) 

 c Influence des hormones sur le developpement foetal. Rattus spec. (Rodentia) 

 d Influence des alcaloides du Rauwolfia, de la reserpine et de la deserpidine, sur le develop- 

 pement. Same species as b (avec L. MERCIER) 

 e Influence des neuroleptiques sur la fertilite et le developpement foetal. Rattus spec, Mus 



spec. (Rodentia), Oryctolagus cuniculus (Lagomorpha) 

 f Diabete experimental et grossesse. (Mammalia) 



g Influence des antimitotiques sur la gestation. (Rodentia) (avec L. MERCIER) 

 TUCKER, J. S. Ph.D., Prof. — Pacif. Marine Station, Univ. of the Pacific, DILLON 



BEACH, Calif. 94929, U.S.A. 

 a Gametogenesis and spawning by gross observation, histological and histochemical methods. 

 Chone mollis, Cirriformia spivabvancha, Hemipodus borealis, Nephtys caecoides, Axiothella 



183 



