| Announcements | | i |
| On alternatives to selection-induced mutation in the Bgl operon of Escherichia coli | BG Hall | 159 |
| Molecular evolution of the period gene in Drosophila athabasca | MJ Ford, CK Yoon, CF Aquadro | 169 |
| Mitochondrial DNA in the bark weevils: phylogeny and evolution in the Pissodes strobi species group (Coleoptera: Curculionidae) | TM Boyce, ME Zwick, CF Aquadro | 183 |
| Variant forms of a group I intron in nuclear small-subunit rRNA genes of the marine red alga Porphyra spiralis var. amplifolia | MC Oliveira, MA Ragan | 195 |
| Molecular evolution of a multigene family in group A streptococci | SK Hollingshead, J Arnold, TL Readdy, DE Bessen | 208 |
| African trypanosome glucose transporter genes: organization and evolution of a multigene family | F Bringaud, T Baltz | 220 |
| Codon use and the rate of divergence of land plant chloroplast genes | BR Morton | 231 |
| Interdependent MHC-DRB exon-plus-intron evolution in artiodactyls | FW Schwaiger, E Weyers, J Buitkamp, AJ Ede, A Crawford | 239 |
| Population structure of the Japanese eel, Anguilla japonica | TK Sang, HY Chang, CT Chen, CF Hui | 250 |
| Relative efficiencies of the maximum-likelihood, neighbor-joining, and maximum-parsimony methods when substitution rate varies with site | Y Tateno, N Takezaki, M Nei | 261 |
| Estimation of evolutionary distance for reconstructing molecular phylogenetic trees | F Tajima, N Takezaki | 278 |
| The molecular evolution of the alcohol dehydrogenase and alcohol dehydrogenase-related genes in the Drosophila melanogaster species subgroup | PS Jeffs, EC Holmes, M Ashburner | 287 |
| Comparative analysis of the zeta-crystallin/quinone reductase gene in guinea pig and mouse | P Gonzalez, C Hernandez-Calzadilla, PV Rao, IR Rodriguez, JS Zigler | 305 |
| Comparison of models for nucleotide substitution used in maximum- likelihood phylogenetic estimation | Z Yang, N Goldman, A Friday | 316 |
| An intron-containing nuclear stress-70 gene from Pisum sativum (Pea) | R Casey, G Creissen, C Domoney, C Forester, N Matta | 325 |
| Bylaws of the Society for Molecular Biology and Evolution | | 327 |