1. Production of feed yeast and yeast-enriched livestock feed from cashew apple

   • V. B. Rale

   Research Papers Pages: 205 - 212

2. Fixation d'azote par les cyanobacteries dans les rizières du Mali

   • T. Traoré

   Research Papers Pages: 213 - 224

3. Glucoamylase production byAspergillus awamori on rice flour medium and partial characterization of the enzyme

   • Fatima Pestana
   • F. J. Castillo

   Research Papers Pages: 225 - 237

4. Non-toxicity to ducklings of solar-irradiated coconut oil contaminated with aflatoxin

   • T. V. Gamage
   • U. Samarajeewa
   • S. N. Arseculeratne

   Research Papers Pages: 239 - 245

5. A carbon budget for heterotrophically grownAnkistrodesmus braunii andChlorella vulgaris

   • R. E. Burrell
   • C. I. Mayfield
   • W. E. Inniss

   Research Papers Pages: 247 - 256

6. Studies on optimal conditions for polysaccharide production byPorphyridium cruentum

   • Catherine Thepenier
   • C. Gudin

   Research Papers Pages: 257 - 268

7. Isolation of a hydroxyproline-secreting pigment-deficient mutant ofNostoc sp. by metronidazole selection

   • H. D. Kumar
   • A. K. Tripathi

   Research Papers Pages: 269 - 275

8. Code numbers for new genera and species of bacteria. List No. 2

   • J. E. Staines
   • V. B. D. Skerman

   Research Papers Pages: 277 - 279

9. Announcements

   Announcement Pages: 281 - 292