1. Analysis of a case of mutagen specificity in Neurospora crassa

   • C. Auerbach
   • D. Ramsay

   OriginalPaper Pages: 1 - 13

2. Regulation of acetohydroxyacid synthetase in Bacillus subtilis

   • Linda F. Chapman

   OriginalPaper Pages: 14 - 18

3. Temperature-sensitive mutants of B. subtilis defective in deoxyribonucleotide synthesis

   • George W. Bazill
   • Dimitri Karamata

   OriginalPaper Pages: 19 - 29

4. Regulation of maltase and α-methylglucosidase synthesis in genetically defined strains of Saccharomyces carlsbergensis

   • J. Ouwehand
   • R. van Wijk

   OriginalPaper Pages: 30 - 38

5. Kinetics and genetic control of the incorporation of thymidine monophosphate in yeast DNA

   • Martin Brendel
   • Robert H. Haynes

   OriginalPaper Pages: 39 - 44

6. Heterozygotes of three-factor crosses of bacteriophage T4

   • N. I. Matvienko

   OriginalPaper Pages: 45 - 52

7. A new method for studying the genetic control of specific mitochondrial proteins in Paramecium aurelia

   • J. K. C. Knowles
   • A. Tait

   OriginalPaper Pages: 53 - 59

8. An analysis of replication errors made by a defective T4 DNA polymerase

   • F. A. J. de Vries
   • Ch. J. H. Swart-Idenburg
   • A. de Waard

   OriginalPaper Pages: 60 - 71

9. Mechanism of transcription in the N operon of bacteriophage lambda

   • Marie-Madeleine Portier
   • Lise Marcaud
   • François Gros

   OriginalPaper Pages: 72 - 81

10. Complementation among cytoplasmic mutants of Neurospora crassa

    • H. Bertrand
    • T. H. Pittenger

    OriginalPaper Pages: 82 - 90

11. Erratum

    Erratum Pages: 90 - 90