1. Commentary

   • James P. Ferris Editor-in-Chief

   ReviewPaper Pages: 295 - 296

2. Mineral induced formation of sugar phosphates

   • S. Pitsch
   • A. Eschenmoser
   • G. Arrhenius

   OriginalPaper Pages: 297 - 334

3. Reactions involving carbamyl phosphate in the presence of precipitated calcium phosphate with formation of pyrophosphate: A model for primitive energy-conservation pathways

   • Adalberto Vieyra
   • Frederico Gueiros-Filho
   • Fernando De Souza-Barros

   OriginalPaper Pages: 335 - 350

4. Adsorption of 5′-AMP and catalytic synthesis of 5′-ADP onto phosphate surfaces: Correlation to solid matrix structures

   • Ana Claudia Tessis
   • Hélio Salim De Amorim
   • Adalberto Vieyra

   OriginalPaper Pages: 351 - 373

5. Adsorption of small biological molecules on silica from diluted aqueous solutions: Quantitative characterization and implications to the Bernal's hypothesis

   • Vladimir A. Basiuk
   • Taras Yu. Gromovoy
   • Elena G. Khil'Chevskaya

   OriginalPaper Pages: 375 - 393

6. The synthesis of glutamic acid in the absence of enzymes: Implications for biogenesis

   • Harold Morowitz
   • Eta Peterson
   • Sherwood Chang

   OriginalPaper Pages: 395 - 399

7. Enantioselective autocatalysis. II. Racemization studies on a 1,4-benzodiazepinooxazole derivative

   • William A. Bonner

   OriginalPaper Pages: 401 - 414

8. Announcement

   Announcement Pages: 415 - 416