1. N, N′-carbonyldiimidazole-induced diketopiperazine formation in aqueous solution in the presence of adenosine-5′-monophosphate

   • A. Brack
   • K. W. Ehler
   • L. E. Orgel

   OriginalPaper Pages: 307 - 310

2. Functional aspects of hemoglobin evolution in the mammals

   • A. F. Scott
   • H. F. Bunn
   • A. H. Brush

   OriginalPaper Pages: 311 - 316

3. Selective disadvantage of non-functional protein synthesis inEscherichia coli

   • Ken J. Andrews
   • George D. Hegeman

   OriginalPaper Pages: 317 - 328

4. Similarities among ribosomal RNA's of angiospermae and gymnospermae

   • F. Maggini
   • R. I. De Dominicis
   • G. Salvi

   OriginalPaper Pages: 329 - 335

5. Solution to a gene divergence problem under arbitrary stable nucleotide transition probabilities

   • Richard Holmquist

   OriginalPaper Pages: 337 - 349

6. Unimodality, symmetry and the step-state hypothesis of electrophoretic variation in natural populations

   • Lewis Haldorson
   • Jack Lester King

   OriginalPaper Pages: 351 - 356

7. The possible role of solid surface area in condensation reactions during chemical evolution: Reevaluation

   • N. Lahav
   • S. Chang

   Synthesis Pages: 357 - 380

8. Electrophoretically silent alleles in a finite population

   • Masatoshi Nei
   • Ranajit Chakraborty

   Letters to the Editor Pages: 381 - 385

9. Comment on E. Broda's recent publications

   • Fujio Egami

   ReviewPaper Pages: 387 - 388

10. Recently published papers in the field of molecular evolution

    OriginalPaper Pages: I - VI