Evolutionary Biology

It is with pleasure that the editors dedicate this volume to William Camp- bell Steere, one of the founding editors of Evolutionary Biology. As Dr. Steere approaches his eightieth birthday we include in the volume a brief biography and a complete bibliography of his publications in celebration of his contributions to the biological sciences. The Editors Ix Contents 1. William Campbell Steere: An Outline of His Life and Continuing Career ...1 William R. Buck Bibliography of Publications of William Campbell Steere 5 2. Biochemical Systematics: II. A Reprise ...25 David E. Giannasi and Daniel J. Crawford Introduction ...25 Micromolecules ...28 Flavonoids ...28 Terpenoids ...49 Alkaloids ...83 ...Other Micromolecules of Chemosystematic Interest ...92 Micromolecules of Specific Plant Groups ...96 Lichens ...104 ...New Approaches in Micromolecular Chemosystematics ...112 C Metabolism...118 ...4 Paleobiochemistry ...120 Micromolecules: Biological and Evolutionary Considerations ...127 Macromolecules ...132 Electrophoresis ...133 Amino Acid Sequences ...155 Serology ...167 Nucleic Acids ...182 Conclusions and Future Prospects ...209 ...Micromolecules ...209 ...Macromolecules ...211 ...References . ..213 xl xii Contents 3. Species Selection As a Causal Process ...249 Norman L. Gilinsky Introduction ...249 Differential Rates of Extinction ...251 ...Differential Rates of Speciation: General Problems ...252 Differential Rates of Speciation: A Case for Reducibility ...254 Differential Rates of Speciation: A Case for Irreducibility Speciation via the Founder Principle ...257 ...Discussion ...262 Possible Examples of Species Selection: Hawaiian Drosophilidae ...262 Possible Examples of Species Selection: Tertiary Neogastropoda ...263 The Snail Example: Another Viewpoint ...267 . Species Selection and Randomness ...268 Species Selection and Punctuated Equilibria ...269 . .