CONTENTS 



a) Introduction p. 5 



b) Changes of address, and new addresses p. 7 



c) "Supply and Demand" Service for laboratory animals .... p. 10 



d) Communications from the Hubrecht Laboratory p. 15 



e) Communications of the "International Institute of Embryology" 

 (Section of Developmental Biology of the I.U.B.S.) p. 16 



f) Announcements of recently published books on development and 

 related subjects p. 25 



