1. The medicinal value of the mushroomGrifola

   • S. -C. Jong
   • J. M. Birmingham

   Review Pages: 227 - 235

2. Oxytetracycline production byStreptomyces rimosus in solid state fermentation of sweet potato residue

   • S. -S. Yang
   • S. -S. Yuan

   Research Papers Pages: 236 - 244

3. Purification and some properties of β-mannanase fromPolyporus versicolor

   • K. G. Johnson
   • N. W. Ross
   • H. Schneider

   Research Papers Pages: 245 - 254

4. Biodegradation of petroleum hydrocarbons under tropical estuarine conditions

   • O. O. Amund
   • C. O. Igiri

   Research Papers Pages: 255 - 262

5. Beta-haemolytic streptococci among primary school children in Al-Ain (UAE)

   • S. A. Shair

   Research Papers Pages: 263 - 266

6. Endoglucanase production by entrappedBacillus thermoalkalophilus

   • K. B. Krishna
   • A. Varma

   Research Papers Pages: 267 - 272

7. Influence of oxygenation and carbon dioxide on the growth ofRhizobium meliloti in a fermenter

   • D. Bourque
   • D. Groleau

   Research Papers Pages: 273 - 280

8. Alcohol production from pineapple waste

   • L. Ban-Koffi
   • Y. W. Han

   Research Papers Pages: 281 - 284

9. Antibiotic resistance among coliform bacteria isolated from hospital and urban wastewaters

   • A. B. Olayemi
   • F. I. Opaleye

   Research Papers Pages: 285 - 288

10. Response of symbiotic interrelationship between soybean and the indigenous or inoculated microsymbiont,Bradyrhizobium japonicum, to soil application of manganese and molybdenum

    • Y. G. Yanni

    Research Papers Pages: 289 - 294

11. Nodulation and nitrogen fixation on vegetative soybean plants as affected by photoperiod and gibberellic acid

    • P. A. Balatti
    • J. J. Guiamet
    • E. R. Montaldi

    Research Papers Pages: 295 - 298

12. Studies onBacillus thuringiensis H-14 strains isolated in Egypt—I. Screening for active strains

    • A. Abdel-Hameed
    • G. Carlberg
    • O. M. El-Tayeb

    Research Papers Pages: 299 - 304

13. Studies onBacillus thuringiensis H-14 strains isolated in Egypt—II. Ultrastructure studies

    • A. Abdel-Hameed
    • K. Lounatmaa
    • O. M. El-Tayeb

    Research Papers Pages: 305 - 312

14. Studies onBacillus thuringiensis H-14 strains isolated in Egypt—III. Selection of media for δ-endotoxin production

    • A. Abdel-Hameed
    • G. Carlberg
    • O. M. El-Tayeb

    Research Papers Pages: 313 - 317

15. Use of unmalted sorghum as a brewing adjunct

    • C. I. Owuama
    • N. Okafor

    Research Papers Pages: 318 - 322

16. Potential use ofGarcinia kola as hop substitute in lager beer brewing

    • G. N. Aniche
    • G. U. Uwakwe

    Research Papers Pages: 323 - 327

17. Production of 2,3-butanediol from wood hydrolysate byKlebsiella pneumoniae

    • B. P. Grover
    • S. K. Garg
    • J. Verma

    Research Papers Pages: 328 - 332

18. Saccharification of cellulosic substrates byAspergillus niger cellulase

    • A. Singh
    • A. B. Abidi
    • A. K. Agrawal

    Short Communication Pages: 333 - 336

19. Antimicrobial activity of aStreptomyces species isolated from Nsukka soil

    • I. A. Erwealor
    • A. N. U. Njoku-Obi

    Short Communication Pages: 337 - 339

20. Resistance ofBradyrhizobium japonicum strains to selected antibiotics

    • A. C. Borges
    • W. V. Guimarães
    • G. de Los Reyes González

    Short Communication Pages: 340 - 342

21. The effect of shikimate onNostoc linckia

    • D. Kumar

    Short Communication Pages: 343 - 345

22. A quick method for estimating the percentage of viable cells in a yeast population, using methylene blue staining

    • K. Painting
    • B. Kirsop

    Technical Information Sheet No. 2 Pages: 346 - 347

23. Meeting announcements

    Announcement Pages: 348 - 349