1. Acid-labile amino acid precursors in the Murchison meteorite

   • John R. Cronin

   OriginalPaper Pages: 337 - 342

2. Acid-labile amino acid precursors in the Murchison meteorite

   • John R. Cronin

   OriginalPaper Pages: 343 - 348

3. Chemical evolution: Effect of high energy radiation

   • L. Keszthelyi

   OriginalPaper Pages: 349 - 354

4. Volcanic processes and synthesis of simple organic compounds on primitive Earth

   • L. M. Mukhin

   OriginalPaper Pages: 355 - 368

5. Clays as possible catalysts for peptide formation in the prebiotic era

   • Mella Paecht-Horowitz

   OriginalPaper Pages: 369 - 381

6. Polarized bremsstrahlung not the source of optical activity

   • David C. Walker

   OriginalPaper Pages: 383 - 387

7. A speculation on the origin of protein synthesis

   • F. H. C. Crick
   • S. Brenner
   • G. Pieczenik

   OriginalPaper Pages: 389 - 397

8. Prebiotic phosphorylation of nucleosides in formamide

   • Allen M. Schoffstall

   OriginalPaper Pages: 399 - 412

9. Scavenging of soluble organic matter from the prebiotic oceans

   • A. Nissenbaum

   OriginalPaper Pages: 413 - 416

10. A Gunflint-type microbiota from the Duck Creek dolomite, Western Australia

    • Andrew H. Knoll
    • Elso S. Barghoorn

    OriginalPaper Pages: 417 - 423

11. Book review

    • James E. Huheey

    BookReview Pages: 425 - 426