1 THE MACROEVOLUTION OF PHENOTYPIC INTEGRATION Gunther J. Eble Interdisciplinary Centre for Bioinformatics, University of Leipzig, Kreuzstrasse 7b, D-04103 Leipzig, Germany. E-mail address: eble@bioinf.uni-leipzig.de In Pigliucci, M. and Preston, K. (eds.) : The Evolutionary Biology of Complex Phenotypes. Oxford, Oxford University Press. In press (2003).