EAKIN, R. M. Ph.D., Prof. — Dept. of Zool., Univ. of California, BERKELEY, Calif. 



94720, U.S.A. • 



a Electron microscopy of induction systems. Hyla regilla (Anura) 



b Development of photoreceptors. Helix aspersa (Gastropoda) (and other Invertebrata) 

 EAYRS, J. T. Ph.D., D.Sc, Prof. — Dept. of Anat, Med. School, Univ. of Birmingham, 



Edgbaston, BIRMINGHAM B15 2TJ, England 

 a Effects of hormones on central nervous development. Rodentia 

 EBERT, J. D. Ph.D., Prof. — Dept. of Embryol., Carnegie Inst, of Washington, 115 



W.University Parkway, BALTIMORE, Md. 21210, U.S.A. • 



— Dept. of Biol., Johns Hopkins Univ., Charles & 34th Sts., BALTIMORE, Md. 21218, 



U.S.A. 

 a Animal viruses (esp. tumor viruses) as tools in studying embryonic development. Gallus 



gallus (Aves) (with C. W. ORR, and J. RASH) 

 ECHAVE LLANOS, J. M. M.D., Prof. — Inst, de Embriol., Biol, e Histol., Fac. de Cienc. 



Med., Univ. Nac. de La Plata, 60 y 120, LA PLATA, Argentina 

 a Analysis of growth control (tissue and humoral factors) of liver tissue in ontogenetic, 



regenerative and neoplastic growth; circadian rhythms of growth variables. Mus musculus 



(Rodentia) 

 b Ultrastructure of the pars distalis of the hypophysis in growth situations (ontogenesis, liver 



regeneration, and hepatomas). Mus musculus (Rodentia) 

 ECKSTEIN, P. M.D., D.Sc, Prof. — Dept. of Anat, Med. School, Univ. of Birmingham, 



Edgbaston, BIRMINGHAM B15 2TJ, England 

 a Mode of action of intra-uterine devices: 1. hormone concentrations in blood at critical 



stages of primate cycle; 2. composition of tubo-uterine secretions; 3. tissue reactions to 



intra-uterine materials. Rattus rattus (Rodentia), Macaca mulatta, Papio papio (Primates) 

 EDDS (LUCKENBILL), Mrs. L. M. Ph.D. — Dept. of Biol. Sci., Smith Coll., NORTH- 

 AMPTON, Mass. 01060, U.S.A. 

 EDDS, M. V., Jr. Ph.D., Prof. — Div. of Biol, and Med. Sci., Brown Univ., PROVIDENCE, 



R.I. 02912, U.S.A. • 



EDE, D. A. Ph.D. — Embryol. Sect., A.R.C. Poultry Research Centre, King's Buildings, 



West Mains Rd., EDINBURGH 9, Scotland, U.K. 

 a The action of inherited abnormalities and lethal genes in development. Gallus gallus (Aves) 

 b Experimental studies on limb bud development. Gallus gallus (Aves) 

 c Cell adhesion and movement, and cell death and degeneration in normal and mutant 



embryos. Gallus gallus (Aves) 

 EDIDIN, M. A. Ph.D. — Dept. of Biol., Johns Hopkins Univ., Charles and 34th Sts., 



BALTIMORE, Md. 21218, U.S.A. 

 a Development of transplantation antigens. Mus musculus (Rodentia) 



b Expression of histocompatibility antigens in the early embryo. Mus musculus (Rodentia) 

 c Relationship between tumor cell surface antigens and embryo cell surface antigens. Mas 



musculus (Rodentia) 

 EDSTROM, J.-E. — Dept. of Histol., Karolinska Inst., S-140 01 STOCKHOLM 60, Sweden 

 EDWARDS, J. G. Ph.D. — Dept. of Cell Biol., Univ. of Glasgow, GLASGOW W.2, 



Scotland, U.K. 

 a Formation of adhesions in reaggregating cells: embryonic cells, Gallus domesticus (Aves), 



cultured cell lines, various species 

 EDWARDS, R. G. D.Sc. — Marshall Lab., Dept. of Physiol., Univ. of Cambridge, Downing 



St., CAMBRIDGE CB2 3EG, England 

 a Genetics and embryology of pre-implantation stages. Homo sapiens (Primates) and other 



Mammalia 

 b Immunology of reproduction. Homo sapiens (Primates) and other Mammalia 

 EFREMOVA, Mrs. S. M. Cand.biol.sci. — Dept. of Embryol., Leningrad State Univ., 



Mendeleevsky St. 5, LENINGRAD V-164, U.S.S.R. 

 a Morphology and biochemistry of somatic embryogenesis (microcinematography, histology, 



autoradiography). Ephydatia [luviatilis, Spongilla lacustris, Hippospongia communis, 



Agelas oroides, Hamigeca hamigera (Porifera) 

 EGAMI, N. Ph.D., Prof. — Zool. Inst., Univ. of Tokyo, Hongo 7-3, Bunkyo-ku, TOKYO, 



113 Japan 

 a Change in radiation-sensitivity during embryonic development. Oryzias latipes (Teleostei) 

 b Embryology of endocrine organs. Same species as a 

 EGELHAAF, A. Dr.rer.nat, Prof. — Zool. Inst, der Univ., Weyertal 119, 5 KOLN 41, 



W.Germany • 



a Genetische Grundlagen der Differenzierung von Augenpigmenten. Ephestia kuhniella 



(Lepidoptera) 

 b Morphogenetische Genwirkungen. Ephestia kuhniella (Lepidoptera), Drosophila melano- 



gaster (Diptera) 

 c Genetik und Physiologie der Blutproteine im Entwicklungsverlauf. (Insecta) 

 EGLI-CONSCIENCE, Mrs. M. Dipl.natw. — Lab. for Developm. Biol., Swiss Fed. Inst, of 



Technol., Sonneggstr. 5, 8006 ZURICH, Switzerland 

 a Enzyme histochemistry of tissues. Drosophila melanogaster (Diptera) 



51 



