Board of Editors:
Peter Aerts Antwerp, Belgium; Johan J. Bolhuis Utrecht,
The Netherlands; Anne-Marie Cortesero Rennes, France; Frietson
Galis Leiden, The Netherlands; Luc-Alain Giraldeau
Montreal, Canada; E.B. (Barry) Keverne Cambridge, UK;
Georg M. Klump Oldenburg, Germany; Kevin Laland
Cambridge, UK; Johan L. van Leeuwen Wageningen, The
Netherlands; Torbjörn von Schantz Lund Sweden; Frans
Sluyter London, UK; Marinus van Baalen Paris, France;
Julian F.V. Vincent Bath, UK; Marvalee H. Wake
Berkeley, CA, USA
VSP, P.O. Box 346, 3700 AH Zeist, The Netherlands