1. IUMS news International Union of Microbiological Societies Newsletter

   News Pages: i - iv

2. COBIOTECH's role in biotechnology worldwide

   • P. Gerhardt

   Editorial Pages: 585 - 586

3. In vitro appraisal of the probiotic value of intestinal lactobacilli

   • L. Vandevoorde
   • H. Christiaens
   • W. Verstraete

   Research Paper Pages: 587 - 592

4. Vermicomposting in the management of pig-waste in Hong Kong

   • S. H. Wong
   • D. A. Griffiths

   Research Paper Pages: 593 - 595

5. Preparation of a flowable liquid bacterial insecticide based on Bacillus sphaericus

   • A. O. Ejiofor
   • N. Okafor
   • J. Nwankwo

   Research Paper Pages: 596 - 599

6. Haemagglutinin production by enterotoxigenic strains of Clostridium perfringens type A

   • R. Mehta
   • K. G. Narayan

   Research Paper Pages: 600 - 602

7. Production of cellulases and saccharification of lignocellulosics by A. Micromonospora sp.

   • N.A. Chowdhury
   • M. Moniruzzaman
   • N. Choudhury

   Research Paper Pages: 603 - 606

8. Pectinase production by Penicillium frequentans

   • S. Said
   • M. J. V. Fonseca
   • V. Siéssere

   Research Paper Pages: 607 - 608

9. Effect of citrate on radial growth and conidiation of the mould Aspergillus nidulans

   • S. R. C. Pombeiro
   • N. M. Martinez-Rossi
   • A. Rossi

   Research Paper Pages: 609 - 612

10. Purification and characterization of extracellular β-glucosidase from Myceliophthora thermophila

    • S. K. Roy
    • S. K. Raha
    • S. L. Chakrabarty

    Research Paper Pages: 613 - 618

11. Influence of nitrogen source on hydrogen generation by a photosynthetic bacterium

    • R. Lakshmi
    • H. Polasa

    Short Communication Pages: 619 - 621

12. Effect of algalization on seed germination of vegetable crops

    • B. Nanda
    • S. K. Tripathy
    • S. Padhi

    Short Communication Pages: 622 - 623

13. Protein enrichment of lignocellulose resulting from the growth of two Streptomyces strains

    • A. H. Iyo
    • S. P. Antai

    Short Communication Pages: 624 - 625

14. Spectrophotometric estimation of 4-androstene-3,17-dione and 1,4-androstadiene-3,17-dione during C-1(2)-dehydrogenation by Mycobacterium fortuitum NRRL B-8153

    • S. Patil
    • A. Srivastava
    • N. Phase

    Short Communication Pages: 626 - 627

15. The world federation for culture collections and its activities

    World Federation for Culture Collection Pages: 628 - 628

16. Erratum

    Erratum Pages: 628 - 628

17. Cryopreservation of bacteria with special reference to anaerobes

    • K. A. Malik

    Technical Information Sheet No. 4 Pages: 629 - 632

18. Meeting announcements

    Events Pages: 633 - 634