| BIONJ: an improved version of the NJ algorithm based on a simple model of sequence data | O Gascuel | 685 |
| Selection on the protein-coding genes of the TBE1 family of transposable elements in the ciliates Oxytricha fallax and O. trifallax | DJ Witherspoon, TG Doak, KR Williams, A Seegmiller, J Seger | 696 |
| Comparative nuclear and mitochondrial genome diversity in humans and chimpanzees | CA Wise, M Sraml, DC Rubinsztein, S Easteal | 707 |
| Bayesian phylogenetic inference using DNA sequences: a Markov Chain Monte Carlo Method | Z Yang, B Rannala | 717 |
| Nonrandom location of IS1 elements in the genomes of natural isolates of Escherichia coli | EF Boyd, DL Hartl | 725 |
| Can three incongruence tests predict when data should be combined? | CW Cunningham | 733 |
| Interspecific and intraspecific comparisons of the period locus in the Drosophila willistoni sibling species | JM Gleason, JR Powell | 741 |
| The mtDNA sequence of the ostrich and the divergence between paleognathous and neognathous birds | A Harlid, A Janke, U Arnason | 754 |
| Phylogenetic analyses of mitochondrial DNA suggest a sister group relationship between Xenarthra (Edentata) and Ferungulates | U Arnason, A Gullberg, A Janke | 762 |
| Comparisons of the molecular evolutionary process at rbcL and ndhF in the grass family (Poaceae) | BS Gaut, LG Clark, JF Wendel, SV Muse | 769 |