TIBBITTS, F. D. Ph.D., Prof. — Dept. of Biol., Univ. of Nevada, RENO. Nevada, U.S.A. 



a A study of placentation, specifically the histochemistry of the placenta throughout devel- 

 opment. (Heteromyidae. Rodentia) 



b A study of placental giant cells, using autoradiographic, histochemical and electron 

 microscopical techniques; particularly glycogenesis and glycogenolysis in these cells and 

 also their role in maintenance of the fetal iron pool. Dipodomys merriami (Heteromyidae, 

 Rodentia) 



TIBERI (MARQUIS). Mrs. J. Lic.es Sci. — Lab. d'Anat. et d'Histol. comp.. 7 Quai St. Ber- 

 nard, PARIS Ve, France 



• TIEDEMANN, H. Prof. — Physiol. -Chem. Inst., Freie Univ. Berlin, Amimallee 22. 1 



BERLIN 33. Deutsche Bundesrepublik 

 TIEDEMANN (WAECHTER), Mrs. H. Dr.rer.nat. — Physiol.-Chem. Inst.. Freie Univ. 



Berlin. Arnimallee 22. 1 BERLIN 33, Deutsche Bundesrepublik 

 TIGANO, Miss C. Dr. — 1st. di Zool.. Univ. di Catania. Via Androne 81. 95124 CATANIA, 



Itaha 

 a Istologia e citologia delle gonadi. Eyprepocnemis plorans (Acrididae, Orthoptera) 

 TIMMERMANS, Miss L. P. M. M.Sc. — Zool. Lab., State Univ. of Utrecht. Janskerkhof 



3. UTRECHT, Netherlands 

 a Cytochemistry and physiology of shell secretion. Limnaea stagnalis, Pomacea bridgesi 



diiiusa (Gastropoda) 

 TISNA-AMIDJAJA. D. A. Dr.rer.nat. — Dept. of Chem. and Biol., Inst, of Technol. 



Bandung, Djl. Ganeca 10, BANDUNG, Indonesia 

 TITOVA, Mrs. I. I. 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. 

 a Response of the embryos to antigen, antibody and soluble antigen-antibody complexes, 



Gallus domesticus (Aues) 

 TOBLER. H. Dr.phil. — Zool.-vergl. Anat. Inst., Naturwiss. Fak.. Univ. Zurich, Kiinstler- 



gasse 16, 8006-ZuRICH, Schweiz 

 a Determination and differentiation in cells of imaginal discs. Drosophila melanogaster 



(Diptera) 

 TOERIEN. M. J. Ph.D. — Dept. of Anat., Univ. of Stellenbosch, STELLENBOSCH, 



S.Africa 

 a Cranial development. Podiceps cristatus (Podicipitidae, Aues) 

 h Experimental studies on cranial morphogenesis (by means of extirpation procedures, 



heteroplastic and orthotopic transplants, the contributions and interrelationship of the 



visceral, axial and capsular skeleton are studied). Gallus domesticus, Spheniscus demersus 



(Aves) Chelydra serpentina (Testudines, Chelonia), Ambystoma punctatum, Xenopus 



laevis (Amphibia) 



• TOIT. C. A. du Ph.D.. Prof. — Zool. Inst., Fac. of Sci., Univ. of Stellenbosch. STEL- 



LENBOSCH, S. Africa 



• TOIVONEN, S. I. Ph.D., M.D.. Prof. — Lab. of Exper. Embryol.. Dept. of Zool.. Univ. 



of Helsinki. Arkadiankatu 7. HELSINKI 10, Finland 

 a The specific action of heterogeneous inductors. Triturus spec. (Urodela) 

 b The mechanism of primary induction. Triturus spec. (Urodela) (in collaboration with 



L. O. SAXEN, Dept. of Pathol.) 

 c Nucleic acid synthesis in induced ectoderm. Triturus spec. (Urodela) (in collaboration with 



P. J. KOHONEN) 

 TOKIN, I. B. Cand.biol.sci. — Dept. of Embryol., Leningrad Univ.. Mendeleevsky St. 5, 



Leningrad, u.s.s.r. 



TOKIN, B. P. Dr.biol.sci., Prof. — Dept. of Embryol., Leningrad Univ.. Mendeleevsky St. 5. 

 LENINGRAD B-164, U.S.S.R. 



a Regeneration, asexual reproduction and somatic embryogenesis. Beroe cucumis, Bolinopsis 

 infundibulum (Ctenophora), Pelmatohydra oligactis, Laomedea flexuosa and other spp. 

 (Coelenterata) 



h Ontogenesis. (Protozoa) 



c Regeneration during ontogenesis. (Protozoa) 



TOKUNAGA, Miss C. Ph.D. — Dept. of Zool.. Univ. of California, BERKELEY. Calif 

 94720. U.S.A. 



a Developmental genetics of pattern formation. Drosophila melanogaster (Diptera) 



TOMITA, H. M.A. — Biol. Inst.. Fac. of Sci., Nagoya Univ., Chikusa-ku, NAGOYA. 

 Japan 



a Melanin formation in color phenotypes. Oryzias latipes (Teleostei) 



b Developmental genetics in color mutants. Oryzias latipes (Teleostei) 



TOMODA, Y. D.Sc — Div. of Zool.. Natl. Science Museum. Ueno Park. Daito-ku. TO- 

 KYO, Japan 



a Gynogenesis. Carassius gibelio (Teleostei) 



• TONDURY, G. Dr., Prof. — Anat. Inst, der Univ., Gloriastr. 19, 8006 ZURICH, Schweiz 

 TONGE, C H. D.D.Sc. Prof. — Dept. of Oral Anat., Sutherland Dental School. Univ. of 



Newcastle upon Tyne, Northumberland Rd., NEWCASTLE upon Tyne 1. England 

 a Tooth development and eruption. 



150 



