1. Acidity and organic carbon in lake water: variability and estimation of means

   • John F. Boyle

   OriginalPaper Pages: 95 - 101

2. Comments on Boyle's Acidity and organic carbon in lake water: variability and estimation of means

   • Pierre Legendre
   • Pierre Dutilleul

   OriginalPaper Pages: 103 - 110

3. Reply to Legendre and Dutilleul's comments

   • John Boyle

   Letter Pages: 111 - 111

4. Ecological succession in a former meander of the Rhône River, France, reconstructed by Cladocera remains

   • W. Jurasz
   • C. Amoros

   OriginalPaper Pages: 113 - 122

5. Siliceous microfossil succession in the recent history of Green Bay, Lake Michigan

   • E. F. Stoermer
   • J. P. Kociolek
   • N. A. Andresen

   OriginalPaper Pages: 123 - 140

6. Postglacial development of a marl and peat complex on the Precambrian Shield of northwestern Ontario

   • S. H. McIntyre
   • H. C. Duthie
   • B. C. Warner

   OriginalPaper Pages: 141 - 155

7. Ratios of stable carbon isotopes in some High Arctic plants and lake sediments

   • Weston Blake Jr.

   OriginalPaper Pages: 157 - 166

8. The HON-Kajak sediment corer

   • Ingemar Renberg

   Note Pages: 167 - 170

9. Announcement Internatioal Society for Diatom Research and Nederlands-Vlaamse Kring van Diatomisten

   Announcement Pages: 171 - 172