1. Evolution of the differential regulation of duplicate genes after polyploidization

   • Stephen D. Ferris
   • Gregory S. Whitt

   OriginalPaper Pages: 267 - 317

2. Effect of changes in population size on the correlation between mutation rate and heterozygosity

   • Wen-Hsiung Li

   OriginalPaper Pages: 319 - 329

3. The molecular heterogeneity and diversity of reptilian keratins

   • Jean A. Wyld
   • Alan H. Brush

   OriginalPaper Pages: 331 - 347

4. Energetics of peptide bond formation at elevated temperatures

   • A. W. Flegmann
   • R. Tattersall

   OriginalPaper Pages: 349 - 355

5. The catalysis of nucleotide polymerization by compounds of divalent lead

   • H. L. Sleeper
   • L. E. Orgel

   OriginalPaper Pages: 357 - 364

6. Association of nucleotides with homoionic clays

   • D. G. Odom
   • M. Rao
   • J. Oro

   OriginalPaper Pages: 365 - 367

7. The augmentation algorithm and molecular phylogenetic trees

   • Richard Holmquist

   Erratum Pages: 369 - 369

8. Recently published papers in the field of molecular evolution

   OriginalPaper Pages: XV - XXVI