1. Three decades progress in microbiology

   • A. J. Kluyver

   OriginalPaper Pages: 1 - 20

2. Comparative investigations into the influence of the presence of bacteria on the life of pathogenic and apathogenic leptospirae

   • R. Abdoelrachman

   OriginalPaper Pages: 21 - 32

3. The influence of the oxidation-reduction potential of the medium upon the growth ofAzotobacter chroococcum

   • A. Quispel

   OriginalPaper Pages: 33 - 43

4. A peculiar example of bacterial antagonism

   • J. I. Terpstra

   OriginalPaper Pages: 44 - 54

5. A reaction on the formation of hydrogen peroxide by microorganisms in solid media

   • A. Kneteman

   OriginalPaper Pages: 55 - 62

6. Studies on staphylococci

   • J. H. Bekker

   OriginalPaper Pages: 63 - 66

7. The cause of the early gas defect in cheese and the means to prevent it

   • Th. E. Galesloot

   OriginalPaper Pages: 67 - 95

8. Abstracts

   Abstract Pages: 96 - 100

9. Investigations into rabies II

   • L. Otten

   OriginalPaper Pages: 101 - 127

10. Studies on Staphylococci

    • J. H. Bekker

    OriginalPaper Pages: 128 - 134

11. Some observations on the culture, physiology and morphology of some brown-redRhodospirillum-species

    • G. Giesberger

    OriginalPaper Pages: 135 - 148

12. Virus infection of the bone-marrow

    • J. D. Verlinde

    OriginalPaper Pages: 149 - 152

13. A photometer for the extinctiometric determination of the density of suspensions of microorganisms with minimal deviation from the law of Beer-Lambert

    • H. Van Genderen
    • R. Th. Scholtens

    OriginalPaper Pages: 153 - 161

14. A case of acute gastro-enteritis caused byS. Manhattan

    • A. Clarenburg
    • P. C. Dröes
    • A. Charlotte Ruys

    OriginalPaper Pages: 162 - 164

15. The sealing under vacuum in ampoules of freeze dried suspensions of bacteria and viruses

    • O. Bosgra

    OriginalPaper Pages: 165 - 169

16. Abstracts

    Abstract Pages: 170 - 172