Natural Kinds, Laws of Nature and Scientific Methodology W. Vogel & M. Büttner GmbH Tnis know ledge is best Briefe sowie Reden zum Tnis know ledge is best aquired by adressing the physical world of forestry with a set of analytical tools through which an almost infinite number of variables can be listed in order I express my sincere gratitude to Professor S Home General Editor Australasian Studies in History and Philosophy of Science Vll ACKNOWLEDGEMENTS The stimulus to assemble this collection of essays grew from a number of interesting seminars conducted during the academic years 1991 92 a majority of the contributors is from Australia or New Zealand