1. Alexander Ivanovich Oparin 1894–1980

   In Memoriam Pages: ii - 197

2. Ozone, ultraviolet flux and temperature of the paleoatmosphere

   • Joel S. Levine
   • Robert E. Boughner
   • Kathryn A. Smith

   OriginalPaper Pages: 199 - 213

3. Biological limits of temperature and pressure

   • Richard Y. Morita

   OriginalPaper Pages: 215 - 222

4. Endolithic microbial life in hot and cold deserts

   • E. Imre Friedmann

   OriginalPaper Pages: 223 - 235

5. Infrared laser photolysis: A new tool for the study of prebiotic chemistry

   • Deborah D. Davis
   • George R. Smith
   • William A. Guillory

   OriginalPaper Pages: 237 - 245

6. Optical activity and evolution

   • M. M. Khasanov
   • G. P. Gladyshev

   OriginalPaper Pages: 247 - 254

7. Experiments of the amplification of optical activity

   • Neal E. Blair
   • William A. Bonner

   OriginalPaper Pages: 255 - 263

8. On the antisymmetry of the amino acid code table

   • Masami Hasegawa
   • Takashi Miyata

   OriginalPaper Pages: 265 - 270

9. Possible role of RNA-dependent DNA-polymerase in early stages of evolution

   • R. Balasubramanian
   • P. Seetharamulu

   OriginalPaper Pages: 271 - 275

10. Facilitated diffusion as a method for selective accumulation of materials from the primordial oceans by a lipid-vesicle protocell

    • William Stillwell

    OriginalPaper Pages: 277 - 292

11. Effect of polynucleotides and a basic protein on the condensation of phenylalanyl adenylate

    • Masahiro Ishigami
    • Nobuko Tonotsuka-Ohta
    • Masataka Kinjo

    OriginalPaper Pages: 293 - 299

12. Is aluminum an essential element for life?

    • Vlado Valković

    OriginalPaper Pages: 301 - 305

13. Book reviews

    • Andrew S. Garay
    • Inder K. Vijay
    • Lynn Margulis

    BookReview Pages: 307 - 310