| Consecutive actions of different gene-altering mechanisms in the evolution of involucrin | H Green, P Djian | 977 |
| Mysticete (baleen whale) relationships based upon the sequence of the common cetacean DNA satellite | U Arnason, S Gretarsdottir, B Widegren | 1018 |
| Evolution of the expression of the Gld gene in the reproductive tract of Drosophila | NM Schiff, Y Feng, JA Quine, PA Krasney, DR Cavener | 1029 |
| Horizontal transfer of hobo transposable elements within the Drosophila melanogaster species complex: evidence from DNA sequencing | GM Simmons | 1050 |
| Sequence evolution in mitochondrial ribosomal and ND-1 genes in lepidoptera: implications for phylogenetic analyses | DP Pashley, LD Ke | 1061 |
| Complete congruence between morphological and rbcL-based molecular phylogenies in birches and related species (Betulaceae) | J Bousquet, SH Strauss, P Li | 1076 |
| The 5S ribosomal RNA gene in Pythium species: two different genomic locations | A Belkhiri, J Buchko, GR Klassen | 1089 |
| Group I introns within the nuclear-encoded small-subunit rRNA gene of three green algae | LW Wilcox, LA Lewis, PA Fuerst, GL Floyd | 1103 |
| Statistical properties of bootstrap estimation of phylogenetic variability from nucleotide sequences. I. Four taxa with a molecular clock | A Zharkikh, WH Li | 1119 |
| Freeing phylogenies from artifacts of alignment | JL Thorne, H Kishino | 1148 |
| The effect of unequal transversion rates on the accuracy of evolutionary parsimony | WC Navidi, L Beckett-Lemus | 1163 |
| Age of the common ancestor of human mitochondrial DNA | M Nei | 1176 |
| A collagenous sequence in a prokaryotic hyaluronidase | M Stern, R Stern | 1179 |
| Error introduced by the infinite-site model | A Rogers | 1181 |
| Relative-rate test for nucleotide substitutions between two lineages | P Li, J Bousquet | 1185 |
| Book reviews | M Bulmer, K Omoto | 1190 |
| Erratum | | 1194 |
| Reviewer index | | 1195 |
| Author-subject index | | 1196 |
