CONTENTS 



a) Introduction p. 4 



b) Changes of address, and new addresses of collaborators. New 



data from the U.S.S.R p. 5 



c) "Supply and Demand" Service for laboratory animals .... p. S 



d) General questions and announcements p. 14 



I The Hubrecht Laboratory p. 14 



II The Central Embryological Library and the Central 



Embryological Collection p. 14 



III The Normal Table of Xenopus laevis p. 14 



e) Reviews of recently published books on development and related 

 subjects p. 1 5 



