1. Competition and allelopathy in aquatic plant communities

   • Brij Gopal
   • Usha Goel

   OriginalPaper Pages: 155 - 210

2. Morphology of Triprojectate fossil pollen: Form and distribution in space and time

   • Michael J. Farabee

   OriginalPaper Pages: 211 - 249

3. New books received

   Announcement Pages: 250 - 250