1. Mycobacterial disease—a challenge to biotechnology

   • J. M. Grange

   Review Papers Pages: 1 - 21

2. The transfer of single cell protein technology to the petroleum exporting Arab states

   • G. Hamer
   • I. Y. Hamdan

   Review Papers Pages: 23 - 32

3. Microbial control of flies in latrines in Dares Salaam with aBacillus thuringiensis (serotype 1) preparation, Muscabac

   • Gunnel Carlberg
   • C. M. Kihamia
   • J. Minjas

   Research Papers Pages: 33 - 44

4. Diurnal course of light interception by a groundnut crop grown in association with maize

   • S. K. Imbamba
   • E. M. W. Akunda

   Research Papers Pages: 45 - 54

5. Extracellular enzymes of some black aspergilli in Singapore

   • Gloria Lim
   • E. Khew
   • H. H. Yeoh

   Research Papers Pages: 55 - 61

6. Effets du chlorure de sodium sur la croissancein vitro, l'infectivité et l'efficience deRhizobium meliloti

   • M. Kassem
   • A. Capellano
   • Anne M. Gounot

   Research Papers Pages: 63 - 75

7. Detection and purification of plasmids present inThermus strains from Icelandic hot springs

   • Chong-Lek Koh

   Research Papers Pages: 77 - 81

8. A comparative study by electron microscopy of the structures of effective and ineffective nodules ofTrifolium subterraneum induced byRhizobium trifolii andRhizobium leguminosarum

   • Aruna Misra
   • Muriel R. Chandler
   • Christine M. Hepper

   Research Papers Pages: 83 - 96

9. Nucleotide sequences of 5S rRNA from twoVibrio spp., V.fluvialis andV. parahaemolyticus

   • M. T. MacDonell
   • R. R. Colwell

   Short Communications Pages: 97 - 102

10. Heat evolution in solid state fermentation of apple pomace

    • Y. D. Hang
    • E. E. Woodams

    Short Communications Pages: 103 - 106

11. Announcements

    Announcement Pages: 107 - 110