1. Atmospheric deposition of heavy metals in central Ontario

   • Dean S. Jeffries
   • Warren R. Snyder

   OriginalPaper Pages: 127 - 152

2. Some measurements of the pH and chemistry of precipitation at Davis and Lake Tahoe, California

   • Robert L. Leonard
   • Charles R. Goldman
   • Gene E. Likens

   OriginalPaper Pages: 153 - 167

3. Optical measurements for biomass determination in limnological studies of eutrophication

   • J. A. Fitzpatrick
   • J. F. Facetti

   OriginalPaper Pages: 169 - 172

4. Atrazine residues in estuarine water and the aerial deposition of atrazine into Rhode River, Maryland

   • Tung L. Wu

   OriginalPaper Pages: 173 - 184

5. Changes in nesting behavior and lipid content of a marine amphipod (Amphithoe valida) to the toxicity of a no. 2 fuel oil

   • W.Y. Lee
   • S.A. Macko
   • J.A.C. Nicol

   OriginalPaper Pages: 185 - 195

6. Geochemical distribution of trace metals and organochlorine contaminants of a Lake Ontario shoreline marsh

   • W. A. Glooschenko
   • J. Capocianco
   • V. Glooschenko

   OriginalPaper Pages: 197 - 213

7. Impact of nutrient enrichment in a waterchestnut ecosystem at Takahama-iri Bay of Lake Kasumigaura, Japan

   • Hideo Nakano
   • Humitake Seki

   OriginalPaper Pages: 215 - 227

8. Acidity and conductivity of precipitation on central Long Island, New York in relation to meteorological variables

   • Gilbert S. Raynor
   • Janet V. Hayes

   OriginalPaper Pages: 229 - 245

9. Book reviews

   • Luis F. Diaz
   • G. F. Humphrey
   • Luis E. Herrera

   BookReview Pages: 247 - 251

10. Announcement

    Announcement Pages: 253 - 253