1. Interaction ofBdellovibrio with Its prey in mixed microbial populations

   • Mazal Varon

   OriginalPaper Pages: 97 - 105

2. Inhibition of the predatory activity ofBdellovibrio by various environmental pollutants

   • Mazal Varon
   • Moshe Shilo

   OriginalPaper Pages: 107 - 111

3. Problems in estimating growth rates of marine phytoplankton from short-term¹⁴C assays

   • William K. W. Li
   • Joel C. Goldman

   OriginalPaper Pages: 113 - 121

4. Growth patterns and substrate requirements of naturally occurring obligate oligotrophs

   • Yuzaburo Ishida
   • Hajime Kadota

   OriginalPaper Pages: 123 - 130

5. Nitrogen-fixing bacteria associated with bark beetles

   • J. Robert Bridges

   OriginalPaper Pages: 131 - 137

6. Distribution of chromobacteria in a lowland river

   • M. O. Moss
   • C. Ryall

   OriginalPaper Pages: 139 - 149

7. Productivity and species composition of algal mat communities exposed to a fluctuating thermal regime

   • D. L. Tison
   • E. W. Wilde
   • C. B. Fliermans

   OriginalPaper Pages: 151 - 165

8. Characteristics of bacterial communities in the Gulf of Alaska

   • James D. Hauxhurst
   • Tatsuo Kaneko
   • Ronald M. Atlas

   OriginalPaper Pages: 167 - 182

9. Effects of cadmium and copper on the ultrastructure ofAnkistrodesmus braunii andAnabaena 7120

   • A. Massalski
   • V. M. Laube
   • D. J. Kushner

   OriginalPaper Pages: 183 - 193

10. Book review

    • J. W. M. la Rivière

    BookReview Pages: 195 - 196

11. Announcement

    Announcement Pages: 197 - 197