1. Forthcoming papers

   Announcement Pages: iii - iii

2. The molecular clock ticks regularly in muroid rodents and hamsters

   • Colm O'hUigin
   • Wen-Hsiung Li

   OriginalPaper Pages: 377 - 384

3. Molecular phylogenies of plastid origins and algal evolution

   • W. Martin
   • C. C. Somerville
   • S. Loiseaux-de Goër

   OriginalPaper Pages: 385 - 404

4. Conservation of the mammalian RNA polymerase II largest-subunit C-terminal domain

   • Emily Barron-Casella
   • Jeffry L. Corden

   OriginalPaper Pages: 405 - 410

5. Evolution of the threonine-glycine repeat region of the period gene in the melanogaster species subgroup of drosophila

   • A. A. Peixoto
   • R. Costa
   • C. P. Kyriacou

   OriginalPaper Pages: 411 - 419

6. Mo-MuLV nucleotide sequence exhibits three levels of oligomeric repetitions, suggesting a stepwise molecular evolution

   • Ivan Laprevotte

   OriginalPaper Pages: 420 - 428

7. Molecular phylogeny of some polychaete annelids: An initial approach to the Atlantic-Mediterranean speciation problem

   • Guy Lenaers
   • Michel Bhaud

   OriginalPaper Pages: 429 - 435

8. The Role of anticodon bases and the discriminator nucleotide in the recognition of some E. coli tRNAs by their aminoacyl-tRNA synthetases

   • Mikio Shimizu
   • Haruichi Asahara
   • Hyouta Himeno

   OriginalPaper Pages: 436 - 443

9. The specificity of yolk protein uptake in cyclorrhaphan diptera is conserved through evolution

   • Alberto Martinez
   • Mary Bownes

   OriginalPaper Pages: 444 - 453

10. Genetic distance and species formation in evolving populations

    • Paul G. Higgs
    • Bernard Derrida

    OriginalPaper Pages: 454 - 465

11. Erratum

    Erratum Pages: 466 - 466