V The Normal Tabic of Xenopus laevis 



We can inform you that the Normal Table of Xenopus laevis will soon 

 appcair under the titJc .JS'ORMAL TABLE OF XENOPUS LAEVTS (DAUDINi. 

 A s>'Stematic and chronological sun.ey of the development from the fertilired 

 egg to the end of metamorphosis". The Normal Table u-ill be published in book 

 form by the North Holland Pubhshing Company. N.Z. Voorburgwal 6S — 70. 

 Amsterdam. Netherlands. This work, which has been prepared by about 

 tu'ents' scientists from nine different countries of three continents has been 

 edited by P. D. Nieuwkoop. Ph.D. and J. Faber. M.Sc. 



After thorough consideration the editors have decided to give up the tabular 

 form and to publish the work in ordinary* book form, dividing the text into 

 an extensive s>'stematic and a more concise chronological description of the 

 de\elopment. 



Persons interested in this work are requested to send their orders direct to 

 the Publishing Company. 



Commonications of tLe „lnstittit International d Embr>'oIogie 



(Emtrvolooical Section of the l.L .B.S.) 



The I. I.E. has :c announce with great recret the loss of one its founders 

 and honorar>- members. Prof. Dr K. Peter, vrho died in March. 1955 and the 

 loss of t\iO of its en^erltus members Prof. Dr Fr. Kopsch. who died in June, 

 1955. and Prcf. Dr D. E. Holmdahl. vho died in Februar>-. 1956. The I.I.E. 

 recently received nor.ce that its member. Prof. D. P. Filatow. died in 19n3. 



The I.I.E. has the pleasure to inform you that its ne.xt General Assembly will 

 be held at Brown Univers:t\'. Providence. Rhode Island, U.S.A. from July 23 

 to 31. 1956. 



The General Assembly of the I.I.E. has the following programme: 



a) July 23 to 26, International Congress on Developmental Biology 



b) July 26, business meeting of the I.I.E. 



c) July 27 to 31, Conference on Cyto-differentiation, sponsored by I.U.B.S. 



a) The International Congress on Developmental Biology will consist partly 

 of symposia, partly of free papers. Since some kind of limitation of the free 

 papers to be read will be unavoidable, the committee has suggested that every 

 Fellow of the I.I.E. is entitled to announce tuo papers including his/her ov,^. 



b) According to its new statutes the I.I.E. will in future have an unlimited 

 number of "ordinary members". Election to membership will be by simple 

 majority of the General Assembly upon recommendation of two Fellows and 

 approval by the Board (Art. 10 of the Statutes). Applications for membership 

 are awaited bv the Secretarv. Prof. Dr Chr. P. Raven. Zoological Laboratory, 

 Janskerkhof 3. Utrecht. Netherlands before May L 1956. Candidate members 

 mav tender their applications personally; they are however advised to secure the 

 recommendation of two Fellows of the I.I.E. A list of Fellows is added below, 



c) The Conference on Cyto-differentiation will be a symposium with a limited 

 number of selected speakers, invited by the Organizing Comittee. 



The Adjunct Secretan.-. P. D. NIEUWKOOP. 

 184 



