| Positive selection and interallelic recombination at the merozoite surface antigen-1 (MSA-1) locus of Plasmodium falciparum | AL Hughes | 381 |
| Selection of laboratory wild-type phenotype from natural isolates of Escherichia coli in chemostats | R Mikkola, CG Kurland | 394 |
| Major-histocompatibility-complex DRB genes of a New-World monkey, the cottontop tamarin (Saguinus oedipus) | B Grahovac, WE Mayer, V Vincek, F Figueroa, C O'hUigin | 403 |
| The involucrin gene of Old-World monkeys and other higher primates: synapomorphies and parallelisms resulting from the same gene-altering mechanism | P Djian, H Green | 417 |
| Phylogeny of the Bovidae (Artiodactyla, Mammalia), based on mitochondrial ribosomal DNA sequences | J Gatesy, D Yelon, R DeSalle, ES Vrba | 433 |
| Geographic mitochondrial DNA variation in the rock hyrax, Procavia capensis | P Prinsloo, TJ Robinson | 447 |
| Mitochondrial DNA evolution at a turtle's pace: evidence for low genetic variability and reduced microevolutionary rate in the Testudines | JC Avise, BW Bowen, T Lamb, AB Meylan, E Bermingham | 457 |
| The cytochrome b and ATPase genes of honeybee mitochondrial DNA | RH Crozier, YC Crozier | 474 |
| Comparative structural analysis of the transcriptionally active proopiomelanocortin genes A and B of Xenopus laevis | PM Deen, MJ Bussemakers, D Terwel, EW Roubos, GJ Martens | 483 |
| Nucleotide sequence of nifD from Frankia alni strain ArI3: phylogenetic inferences | P Normand, M Gouy, B Cournoyer, P Simonet | 495 |
| A comprehensive study of genic variation in natural populations of Drosophila melanogaster. VII. Varying rates of genic divergence as revealed by two-dimensional electrophoresis | S Thomas, RS Singh | 507 |
| An association between ADH protein levels and polymorphic nucleotide variation in the Adh gene of Drosophila melanogaster | P Matthew, A Agrotis, AC Taylor, SW McKechnie | 526 |
| The consistency of several phylogeny-inference methods under varying evolutionary rates | RW DeBry | 537 |
| Population growth makes waves in the distribution of pairwise genetic differences | AR Rogers, H Harpending | 552 |
| Book review | AL Hughes | 570 |
| Books received | | 572 |
| Announcements | | 573 |