1. Observations on chytridiaceous parasites of Phanerogams

   • F. K. Sparrow
   • Joyce E. Griffin

   OriginalPaper Pages: 103 - 111

2. Zur Feinstruktur von Geosiphon pyriforme

   • Eberhard Schnepf

   OriginalPaper Pages: 112 - 131

3. Morphology, nutrition and physiology of Sphaerotilus discophorus

   • M. A. Rouf
   • J. L. Stokes

   OriginalPaper Pages: 132 - 149

4. N-Acetylierung von d-Tryptophan durch Saccharomyces-Arten

   • F. Hagemann

   OriginalPaper Pages: 150 - 157

5. An extracellular polysaccharide produced by Palmella mucosa Kütz.

   • R. G. Tischer
   • B. G. Moore

   OriginalPaper Pages: 158 - 166

6. β-nitropropionic acid and nitrite in relation to nitrate formation by Aspergillus flavus

   • George E. Becker
   • E. L. Schmidt

   OriginalPaper Pages: 167 - 175

7. Pseudococcomyxa adhaerens Korshikov—eine an extreme Lebensbedingungen angepaßte kokkale Grünalge

   • Wolfram Braune

   OriginalPaper Pages: 176 - 182

8. On catalase activity in spores of Aspergillus niger

   • O. K. Sharma
   • P. S. Krishnan

   OriginalPaper Pages: 183 - 192

9. Organic synthesis in algal cells separated into age groups by fractional centrifugation

   • Constantine Sorokin

   OriginalPaper Pages: 193 - 208