1. Isolation and characterization of marine methanotrophs

   • Mary E. Lidstrom

   General Papers Pages: 189 - 199

2. New basidiomycetous yeasts from Southern Africa. III. Sporobolomyces phyllomatis sp. nov. (Sporobolomycetaceae)

   • J. P. van der Walt
   • Y. Yamada
   • P. D. G. Richards

   General Papers Pages: 201 - 206

3. Interconversion of F₄₃₀ derivatives of methanogenic bacteria

   • J. T. Keltjens
   • J. M. H. Hermans
   • G. D. Vogels

   General Papers Pages: 207 - 220

4. Properties of mitochondria from Penicillium cyclopium and their response to calcium and other divalent cations

   • U. O. Ugalde
   • D. Pitt

   General Papers Pages: 221 - 228

5. Phage-receptor on the cell wall of Veillonella rodentium

   • Masayoshi Totsuka

   General Papers Pages: 229 - 222

6. The effect of growth conditions on production and excretion of extracellular antigens by three ascomycetous yeasts

   • Wouter J. Middelhoven
   • Robbert J. Slingerland
   • Servé Notermans

   General Papers Pages: 235 - 244

7. Oxygen and nitrate reduction kinetics of a nonflocculating strain of Zoogloea ramigera

   • S. E. Strand
   • A. J. McDonnell
   • R. F. Unz

   General Papers Pages: 245 - 255

8. Affinity purification of a 65-kilodalton parasporal protein from Bacillus thuringiensis PG-14 that shows mosquitocidal activity

   • Yong Man Yu
   • Michio Ohba
   • Keio Aizawa

   General Papers Pages: 257 - 265

9. Anaerobic degradation of organic compounds at high salt concentrations

   • Aharon Oren

   Review Papers Pages: 267 - 277

10. Final announcement and call for poster abstracts

    Announcement Pages: 283 - 283