1. Random walking

   • Emile Zuckerkandl

   BriefCommunication Pages: 199 - 200

2. Synthesis of the coenzymes adenosine diphosphate glucose, guanosine diphosphate glucose, and cytidine diphosphoethanolamine under primitive earth conditions

   • A. Mar
   • J. Oró

   OriginalPaper Pages: 201 - 210

3. Complexity in evolved regulatory variation for alcohol dehydrogenase genes in HawaiianDrosophila

   • Xiang-Ming Fang
   • Chyong-Yi Wu
   • Mark D. Brennan

   OriginalPaper Pages: 220 - 226

4. Structure and molecular evolutionary analysis of a plant cytochrome c gene: Surprising implications forArabidopsis thaliana

   • Elizabeth C. Kemmerer
   • Ming Lei
   • Ray Wu

   OriginalPaper Pages: 227 - 237

5. Length polymorphism in the threonine-glycine-encoding repeat region of theperiod gene inDrosophila

   • Rodolfo Costa
   • Alexandre A. Peixoto
   • Charalambos P. Kyriacou

   OriginalPaper Pages: 238 - 246

6. Primary and secondary structure of the nuclear small subunit ribosomal RNA of the cryptomonadPyrenomonas salina as inferred from the gene sequence: Evolutionary implications

   • Stefan Eschbach
   • Jörn Wolters
   • Peter Sitte

   OriginalPaper Pages: 247 - 252

7. Angiosperm origin and early stages of seed plant evolution deduced from rRNA sequence comparisons

   • A. V. Troitsky
   • Yu. F. Melekhovets
   • A. S. Antonov

   OriginalPaper Pages: 253 - 261

8. Lens protein expression in mammals: Taxon-specificity and the recruitment of crystallins

   • Graeme Wistow
   • Hyong Kim

   OriginalPaper Pages: 262 - 269

9. Erratum

   Erratum Pages: 270 - 270