b Cytokinesis studied by micrurgy. Stentor coeruleus (Ciliata) 



c Effects of single heat shocks. Stentor coeruleus (Ciliata) 



d Mouthparts induction in the oral primordium. Stentor coeruleus (Ciliata) 



e Production of cells with conflicting polarities by rotating longitudinal halves 180°. Stenfot 



coeruleus (Ciliata) 

 TASSAVA, R. A. Ph.D. — Dept. of Zool., Coll. of Biol. Sci., Ohio State Univ., 1735 Neil 



Ave.. COLUMBUS, Ohio 43210, U.S.A. 

 a Studies of the role of hormones in limb regeneration. (Amphibia) 

 TATA, J. R. Dr.es Sci. — Natl. Inst, for Med. Research, Mill Hill, LONDON N.W.7, 



England 

 a Thyroid hormone-induced metamorphosis. Rana catesbeiana, Xenopus laevis (Anura) 

 h Effect of hormones on organ cultures. Rana spec. (Anura) 

 c Effect of androgens and oestrogens on the development of accessory sexual tissues. Rattus 



noruegicus (Rodentia) 

 d Early metamorphic competence of larvae: biochemical analysis of the acquisition of re- 

 sponse of very early stages of larval cells (Nieuwkoop-Faber stages 38-41) to thyroid 



hormones that resembles spontaneous metamorphic response at later stages. Xenopus laevis 



(Anura) 

 e Anti-metamorphic effect of prolactin: effect of ovine prolactin in preventing developmental 



changes induced by thyroid hormones studied at the level of nucleic acid synthesis in 



target tissues (liver, tail, skin). Rana catesbeiana (Anura), Diemictylus viridescens 



(Urodela) 

 TA VERNE, M. — Zool. Lab.. Univ. of Amsterdam. Plantage Doklaan 44, AMSTERDAM, 



Netherlands 

 a Umbilical sphincter. Oryctolagus cuniculus (Lagomorpha) 

 TAYLOR, A. C. Ph.D., Prof. — Dept. of Anat.. The Univ. of Texas Dental Branch. 



HOUSTON, Tex. 77025, U.S.A. • 



TAYLOR, Miss E. L. B.A. — Dept. of Biol., Grad. School of Arts and Sci.; Lab. of 



Histol.-Embryol., School of Dental Med.. Univ. of Pennsylvania. PHILADELPHIA, Pa. 



19104, U.S.A. 

 a Maintenance of differentiation in cultured heart cells. Gallus domesticus (Aves) 

 TAYLOR, Miss J. M. Dr. — Lab. of Cell. Biol., Dept. of Biol. Sci.. Wellesley Coll., 



WELLESLEY, Mass. 02181, U.S.A. 

 a Postnatal differentiation of three fiber types in skeletal muscle (electron microscopy and 



histochemistry). Rattus noruegicus (Rodentia) (in collaboration with Miss G. F. GAU- 



THIER, and Miss H. A. PADYKULA) 

 b Differentiation of neuromuscular junctions in skeletal muscle (electron microscopy and 



histochemistry). Rattus norvegicus (Rodentia) (in collaboration with Miss G. F. GAU- 



THIER and Miss H. A. PADYKULA) 

 c Ovarian-uterine-placental relationship (electron microscopy and histochemistry). Didelphys 



virginiana (Macsupialia) (in collaboration with Miss G. F. GAUTHIER and Miss H. A. 



PADYKULA) 

 d Lipid transport by the yolk sac placenta (electron microscopy and histochemistry. Rattus 



norvegicus (Rodentia) (in collaboration with Miss G. F. GAUTHIER and Miss H. A. 



PADYKULA) 

 TAYLOR, L. W. Ph.D., Prof. (Emer.) — Dept. of Poultry Husbandry, Fac. of Agric, 



Univ. of California, BERKELEY, Calif. 94720, U.S.A. 

 a Lethal genes: inheritance, interrelationships and effects of selection. Gallus gallus (Aves) 

 h O2 and CO2 requirements and tolerances in development. Gallus gallus (Aves) 

 TCHELEBI (PAPILLON), Mrs. M. — Lab. d'Evolution des Etres Organises, Fac. des Sci.. 



105 Bd. Raspail, PARIS Vie, France 

 a Influence of physical factors upon egg development. Schistocerca gregaria (Accididae, 



Orthoptera) 

 TCHERNIAEV, G. Cand.Sci.Biol. — Inst. Limnol. de I'Acad. des Sci. de I'URSS, LIST- 



VENITCHNOIE sur Baikal, region d'Irkoutsk, U.S.S.R. 

 a Developpement de I'omoul du Baikal. Cocegonus autumnalis migratorius (Teleostei) 

 h Developpement des cottides du Baikal. Comephorus baikalensis, C. dybowski (Cottidae, 



Teleostei) 

 TEITELMAN (de PINCZUK), Mrs. G. N. Lie. — Dept. of Biol, Grad. School of Arts 



and Sci.; Lab. of Histol. and Embryol., School of Dental Med., Univ. of Pennsylvania, 



PHILADELPHIA, Pa. 19104, U.S.A. 

 a Protein synthesis in normal and lobeless embryos analyzed by disc electrophoresis. Ily- 



anassa obsoleta (Gastropoda) 

 TELEPNEVA, Miss S. A. Cand.biol.sci. — Inst, of Exper. Biol., Acad, of Med. Sci. of the 



U.S.S.R., Baltiyskaya St. 8. MOSCOW A-315, U.S.S.R. 

 TEMIN, H. M. Ph.D., Prof. — McArdle Lab. for Cancer Research, Univ. of Wisconsin, 



450 N. Randall Ave., MADISON, Wis. 53706, U.S.A. 

 a Changes in fibroblasts induced by oncogenic viruses (Rous sarcoma virus). Gallus domeS' 



ticus (Aves) 



171 



