1. Elemental metals as electron sources for biological methane formation from CO₂

   • Negash Belay
   • Lacy Daniels

   Article Pages: 1 - 7

2. Effect of organic amendments on bacterial multiplication in lake water

   • Yigal Henis
   • Martin Alexander

   Article Pages: 9 - 20

3. Attachment of Blastomyces dermatitidis conidia to murine bronchoalveolar macrophages: Characterization of binding the elicitation of respiratory burst

   • Alan M. Sugar
   • Michele Picard

   Article Pages: 21 - 27

4. Kinetic studies of phenol degradation by Rhodococcus sp. P1 I. Batch cultivation

   • G. Straube
   • J. Hensel
   • E. Straube

   Article Pages: 29 - 32

5. Kinetic studies of phenol degradation by Rhodococcus sp. P1 II. Continuous cultivation

   • J. Hensel
   • G. Straube

   Article Pages: 33 - 36

6. Dimorphism of Benjaminiella poitrasii: Isolation and biochemical studies of morphological mutants

   • Ameeta Khale
   • M. C. Srinivasan
   • Mukund V. Deshpande

   Article Pages: 37 - 41

7. Calcium binding and induction of conidiation in protoplasts of Penicillium cyclopium

   • U. O. Ugalde
   • M. D. Virto
   • D. Pitt

   Article Pages: 43 - 49

8. A Photobacterium-like bacterium able to fix nitrogen

   • Wung Yang Shieh
   • Usio Simidu
   • Yoshiharu Maruyama

   Short Communication Pages: 51 - 54

9. The problem of the taxonomy of the fusiform bacillus of acute necrotizing ulcerative gingivitis (Vincent's gingivitis)

   • W. P. Holbrook
   • R. A. Cawson

   Short Communication Pages: 55 - 58

10. Arxula gen. nov. (Candidaceae), a new anamorphic, arthroconidial yeast genus

    • J. P. Van der Walt
    • M. Th. Smith
    • Y. Yamada

    Short Communication Pages: 59 - 61