| DNA sequence polymorphism within hominoid species exceeds the number of phylogenetically informative characters for a HOX2 locus | G Ruano, J Rogers, AC Ferguson-Smith, KK Kidd | 575 |
| The evolution of the mitochondrial D-loop region and the origin of modern man | G Pesole, E Sbisa, G Preparata, C Saccone | 587 |
| Maintenance of DQB1 polymorphisms in primates | LK Gaur, AL Hughes, ER Heise, J Gutknecht | 599 |
| Mitochondrial DNA reveals formation of nonhybrid frogs by natural matings between hemiclonal hybrids | H Hotz, P Beerli, C Spolsky | 610 |
| Phylogenetic reconstruction of the Drosophila obscura group, on the basis of mitochondrial DNA | E Barrio, A Latorre, A Moya, FJ Ayala | 621 |
| Phylogeny of five fungus-like protoctistan Phytophthora species, inferred from the internal transcribed spacers of ribosomal DNA | SB Lee, JW Taylor | 636 |
| Molecular population genetics of Escherichia coli: DNA sequence diversity at the celC, crr, and gutB loci of natural isolates | BG Hall, PM Sharp | 654 |
| A stochastic analysis of three viral sequences | GA Watterson | 666 |
| Estimation of the number of nucleotide substitutions when there are strong transition-transversion and G+C-content biases | K Tamura | 678 |
| Nucleotide sequence, function, activation, and evolution of the cryptic asc operon of Escherichia coli K12 | BG Hall, L Xu | 688 |
| Similarity, in molecular structure and function, between the plant toxin purothionin and the mammalian pore-forming proteins | T Oka, Y Murata, T Nakanishi, H Yoshizumi, H Hayashida | 707 |
| Inverted repeats in the long-terminal repeats of the wheat retrotransposon Wis 2-1A | H Lucas, G Moore, G Murphy, RB Flavell | 716 |
| Estimation of heterozygosity for single-probe multilocus DNA fingerprints | JC Stephens, DA Gilbert, N Yuhki, SJ O'Brien | 729 |
| Sequencing errors and molecular evolutionary analysis | AG Clark, TS Whittam | 744 |
| Sample size for a phylogenetic inference | GA Churchill, Ha von, WC Navidi | 753 |
| Mispairing and compensational changes during the evolution of mitochondrial ribosomal RNA | F Kraus, L Jarecki, MM Miyamoto, SM Tanhauser, PJ Laipis | 770 |
| Erratum | | 775 |
| Announcement: Models in phylogeny reconstruction | | 776 |