1. The yeast genus Yarrowia gen. nov.

   • J. P. van der Walt
   • J. A. von Arx

   Taxonomy Pages: 517 - 521

2. New isolation of Clostridium aceticum (Wieringa)

   • A. D. Adamse

   Laboratory Methods Pages: 523 - 531

3. Continuous culture studies on the production of staphylocoagulase by Staphylococcus aureus

   • W. Engels
   • M. A. F. Kamps
   • C. P. A. van Boven

   Physiology and Growth Pages: 533 - 550

4. Growth conditions and heat resistance of Citrobacter freundii

   • C. T. Verrips
   • R. H. Kwast
   • W. de Vries

   Physiology and Growth Pages: 551 - 563

5. The growth of Saccharomyces cerevisiae CBS 426 on mixtures of glucose and ethanol: a model

   • J. A. B. A. F. Bonnet
   • Hermine E. de Kok
   • J. A. Roels

   Physiology and Growth Pages: 565 - 576

6. Chromosomal penicillin resistance in Staphylococcus aureus strains of phage group II

   • J. A. Meijers
   • Ellen E. Stobberingh

   Genetics and Molecular Biology Pages: 577 - 586

7. A possible role of Eubacterium and Peptostreptococcus species in the aetiology of Crohn's disease

   • J. P. van de Merwe
   • G. J. J. Mol

   Medical Microbiology Pages: 587 - 593

8. The coenzyme Q system in the classification of the ascosporogenous yeast genus Dekkera and the asporogenous yeast genus Brettanomyces

   • Y. Yamada
   • Hisano Takinami-Nakamura
   • Maudy Th. Smith

   Taxonomy Pages: 595 - 599

9. Acetate, methanol and carbon dioxide as substrates for growth of Methanosarcina barkeri

   • T. J. Hutten
   • H. C. M. Bongaerts
   • G. D. Vogels

   Physiology and Growth Pages: 601 - 610

10. The association of calcium oxalate-utilizing Streptomyces with conifer ectomycorrhizae

    • Donald M. Knutson
    • Anita Stiebrs Hutchins
    • Kermit Cromack Jr.

    Ecology Pages: 611 - 619