Co nun u mentions of the ..International Institute of Embryology" 

 (Section of Developmental Biology of the I.U.B.S.) 



The I. I.E. announces with great regret the death of one of its fellows, 

 J. S. Nicholas (September 1963). 



The preliminary announcement of the International Conference on Organ- 

 ogenesis has now appeared. The Conference will be held under the auspices 

 of the I. I.E. in Baltimore, Maryland, U.S.A., from September 6 — 12, 1964. 

 Information may be obtained from the Chairman of the National Organizing 

 Committee, Prof. J. D. Ebert, Dept. of Embryol., Carnegie Inst, of Washing- 

 ton, Baltimore 10, Md. Detailed programmes will be posted in February 1964, 

 and advance registration begins on March 1, 1964. 



The hosts to the Conference will be the Department of Embryology, Carne- 

 gie Institution of Washington, and the Johns Hopkins University. The ten- 

 tative programme reads as follows: 

 Genetic and regulatory mechanisms 



F. Jacob (France), E. Hadorn (Switzerland) 

 Fabrication of macromolecules; the intercellular matrix; organogenesis 



E. H. Mercer (Australia), M. Glimcher (U.S.A.), M. V. Edds (U.S.A.), 



P. Weiss (U.S.A.) 

 Brain 



B. Kallen (Sweden), R. Watterson (U.S.A.), V. B. Wigglesworth (Great 



Britain), D. Bodenstein (U.S.A.), R. Levi-Montalcini (U.S.A.), J. J. Koll- 



ros (U.S.A.), R. Sperry (U.S.A.), P. Wall (U.S.A.) 

 Limb 



R. Amprino (Italy), J. Milaire (Belgium), E. Hay (U.S.A.), S. Fitton- 



Jackson (Great Britain) 

 Gonad 



L. Gallien (France), P. Polani (Great Britain), A. Jost (France), G. 



Chieffi (Italy), D. Price (U.S.A.), T. H. Hamilton (U.S.A.), H. Char- 



niaux-Cotton (France), H. Schneiderman (U.S.A.) 

 Placenta 



P. Wilkin (Belgium), H. W. Mossman (U.S.A.) 

 Spleen — thymus 



R. Auerbach (U.S.A.), M. Feldman (Israel) 

 Contributed papers 



Fellows, Members of I. I.E. 

 Summary 



J. D. Ebert, E. Wolff 



The General Assembly of the I. I.E. will be held at the end of the Conference, 

 on September 12. New fellows and members will be elected on that occasion. 

 The procedure for the election of fellows and members is as follows. Proposal 

 of candidates for fellowship can only be made by fellows. New fellows are 

 elected by the college of fellows among persons of outstanding merit in the 

 field of morphogenesis with a 2 / 3 majority of votes of the present fellows and 

 subsequent ratification by all fellows. The number of fellows is limited to 75. 



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