1. Cyanamide mediated synthesis under plausible primitive earth conditions

   • D. E. Epps
   • D. W. Nooner
   • J. Oró

   OriginalPaper Pages: 235 - 241

2. Self-condensation of activated dinucleotides on polynucleotide templates with alternating sequences

   • R. Lohrmann
   • L. E. Orgel

   OriginalPaper Pages: 243 - 250

3. Compositional relatedness of aldehyde reductases from several species

   • William S. Davidson
   • T. Geoffrey Flynn

   OriginalPaper Pages: 251 - 258

4. Characterization of the myoglobin of the lampreyPetromyzon marinus

   • A. E. Romero-Herrera
   • N. Lieska
   • S. Nasser

   OriginalPaper Pages: 259 - 266

5. Insect lysozymes from three species of lepidoptera: Their structural relatedness to the c (chicken) type lysozyme

   • Jacqueline Jollès
   • Francoise Schoentgen
   • Pierre Jollès

   OriginalPaper Pages: 267 - 271

6. Selection and recombination in populations containing tandem multiplet genes

   • Arthur L. Koch

   OriginalPaper Pages: 273 - 285

7. Evolution of methionine initiator and phenylalanine transfer RNAs

   • B. Larue
   • R. J. Cedergren
   • H. Grosjean

   OriginalPaper Pages: 287 - 300

8. An improved method for estimating sequence divergence between related DNAs from changes in restriction endonuclease cleavage sites

   • Osamu Gotoh
   • Jun-Ichi Hayashi
   • Yusaku Tagashira

   OriginalPaper Pages: 301 - 310

9. Controller node complexity: A measure of the degree of gene coordination

   • Emile Zuckerkandl

   OriginalPaper Pages: 311 - 321

10. Announcement

    Announcement Pages: 323 - 323

11. Recently published papers in the field of molecular evolution

    OriginalPaper Pages: i - viii