Tig-Tot 



TIGANO, Miss C. Dr. — 1st. di Zool. dell'Univ., Via Androne 81, CATA- 

 NIA, Italia 

 a. Istologia e citologia delle gonadi. (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 

 (Gastropoda) 

 TINDALL, A.R. B.Sc, Ph.D. — Coll. of Technol., LEICESTER. England 

 a. Descriptive embryology: stages from oothecal deposition to eclosion at 

 3 days intervals or less. Pedplaneta americana (Dictyopfera) 

 TISNA-AMIDTAJA. D. A. Dipl.BioL. Dr.rer.nat. — Dept. of Chemistry 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 8, MOSCOW A-315, U.S.S.R. 

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

 body complexes. Gallus domesticus (Aves) 

 TITSCHACK. H. Dipl.Biol. — Zool. Inst., Techn. Hochschule, DARM- 

 STADT, Deutsche Bundesrepublik 

 TOBLER. H. Cand.phil. — Zool.-vergl.Anat. Inst., Naturwiss. Fak.. Univ. 



Zurich. Kiinstlergasse 16, ZURICH, Schweiz 

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

 STELLENBOSCH, Republic of South Africa 



— temporarily: Hubrecht Lab. (Internat. Embryol. Inst.), p/a Universi- 

 teitscentrum "De Uithof", UTRECHT, Netherlands 

 a. Cranial development. Podiceps cristatus (Podicipitidae. Aves) 

 h. Experimental studies on cranial morphogenesis. Gallus domesticus 

 (Aves). Chelydra serpentina. (Testudines, Chelonia), Ambystoma 

 punctatum (Urodela) 

 TOIT, C.A.du M.Sc, Ph.D., F.R.S.S.Af., M.I.I.E., Prof. — Zool. Inst., fac 

 of Sci.. Univ. of Stellenbosch, STELLENBOSCH, Republic of South 

 Africa 

 TOIVONEN, S.I. Ph.D.. M.I.I.E.. Prof. — Lab. of Exp.Embryol, Dept. of 

 Physiol. Zool., Univ. of Helsinki, Arkadiankatu 7. HELSINKI, Finland 

 a. The specific action of heterogeneous inductors. Triturus spec. (Urode- 



la) 

 h. The mechanism of primary induction. Triturus spec. (Urodela) (in col- 

 laboration with L.O.SAXeN and E.T.VAINIO) 

 c. Mechanism of kidney tubulogenesis. Mus musculus (Rodentia) (in col- 

 laboration with L.O.SAXEN and E.T.VAINIO) 

 TOKIN. B.P. Dr.Biol.Sci.. Prof. — Dept. of Embryol., Leningrad Univ., 

 Mendeleevsky St. 5. LENINGRAD, U.S.S.R. 

 a. Regeneration, asexual reproduction and somatic embryogenesis. Bero'e 

 cucumis, Solinopsis infundibulum (Ctenophora) , Pelmatohydra oligac- 

 tis, Laomedea flexuosa and other spp. (Coelenterata) 

 TOKIN. I. B. Cand.biol.sci. — Dept. of Embryol., Leningrad Univ., Men- 

 deleevsky St. 5, LENINGRAD, U.S.S.R. 

 TOMITA, H. B.Sc, M.A. — Biol. Inst., Fac. of Sci., Nagoya Univ., Chiku- 

 sa-ku, NAGOYA, Japan 



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



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



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