1. Respiration deficient mutants of Schizosaccharomyces pombe I

   • K. Wolf
   • M. Sebald-Althaus
   • F. Kaudewitz

   OriginalPaper Pages: 101 - 109

2. Role of the mitochondrion in the regulation of protein synthesis in the eucaryote Saccharomyces cerevisiae

   • P. P. Puglisi
   • A. Algeri

   OriginalPaper Pages: 110 - 117

3. Interaction of RNA polymerase mutations in haploid and merodiploid cells of Escherichia coli K-12

   • T. S. Ilyina
   • M. I. Ovadis
   • R. B. Khesin

   OriginalPaper Pages: 118 - 133

4. A UV-supersensitive mutant in the yeast Schizosaccharomyces pombe

   • F. Fabre

   OriginalPaper Pages: 134 - 143

5. Nonexchange alignment: A meiotic process revealed by a synthetic meiotic mutant of Drosophila melanogaster

   • Leonard G. Robbins

   OriginalPaper Pages: 144 - 166

6. The relationship between first and second chromosome segregation ratios from Drosophila melanogaster males bearing Segregation Distorter

   • R. E. Denell
   • George L. Gabor Miklos

   OriginalPaper Pages: 167 - 177

7. Vegetative DNA of temperate coliphage P2

   • Björn H. Lindqvist

   OriginalPaper Pages: 178 - 196