1. Molecular evolution as predicted by natural selection

   • Leigh Van Valen

   OriginalPaper Pages: 89 - 101

2. Evolutionary divergence in the two kinds of subunits of ribulose diphosphate carboxylase isolated from different species ofNicotiana

   • Shiu Yuen Kwok
   • S. G. Wildman

   OriginalPaper Pages: 103 - 108

3. The custom fitting problem and the evolution of developmental systems

   • C. R. Woese

   OriginalPaper Pages: 109 - 113

4. Analysis of high molecular weight material from the polymerization of adenosine cyclic 2′, 3′-phosphate

   • M. S. Verlander
   • L. E. Orgel

   OriginalPaper Pages: 115 - 120

5. Stereospecificity of the genetic code

   • Gerhard Melcher

   OriginalPaper Pages: 121 - 140

6. On the possible role of crystals in the origins of life

   • F. G. Burton
   • R. Lohrmann
   • L. E. Orgel

   OriginalPaper Pages: 141 - 150

7. The nucleotide sequence of chicken 5S ribosomal RNA

   • Norman R. Pace
   • Thomas A. Walker
   • Raymond L. Erikson

   OriginalPaper Pages: 151 - 159

8. Recently published papers in the field of molecular evolution

   OriginalPaper Pages: IX - XII