1. Index autorum

   Legacy 01 March 1976 Pages: ii - ii

2. A note on population densities of mollusca in the river Great Ouse at Ely, Cambridgeshire

   • M. J. Bishop
   • Hugh De Garis

   OriginalPaper 01 March 1976 Pages: 195 - 197

3. A simplified method for the biological assessment of the quality of fresh and slightly brackish water

   • Th. G. N. Dresscher
   • H. van der Mark

   OriginalPaper 01 March 1976 Pages: 199 - 201

4. On the removal and quantification of algal aufwuchs from macrophyte hosts

   • Stephen B. Gough
   • William J. Woelkerling

   OriginalPaper 01 March 1976 Pages: 203 - 207

5. Wisconsin desmids. I. Aufwuchs and plankton communities of selected acid bogs, alkaline bogs, and closed bogs

   • William J. Woelkerling

   OriginalPaper 01 March 1976 Pages: 209 - 232

6. A new species of sergestid shrimp, acetes orientalis (Crustacea: Decapoda, Sergestidae) from Goa, Central West Coast of India

   • C. T. Achuthankutty
   • S. Ayyappan Nair

   OriginalPaper 01 March 1976 Pages: 233 - 239

7. Observations of an ash lagoon spill on the new River, Virginia

   • Charles H. Hocutt
   • Kenneth L. Dickson
   • Jay R. Stauffer

   OriginalPaper 01 March 1976 Pages: 241 - 245

8. The Chaoborus (Diptera: Chaoboridae) component of the invertebrate drift of the Mwenda river, Lake Kariba, Central Africa

   • M. L. Mills

   OriginalPaper 01 March 1976 Pages: 247 - 250

9. Changes in submerged plants at the South end of Cayuga Lake following Tropical Storm Agnes

   • Ray T. Oglesby
   • Albert Vogel
   • Robert Johnson

   OriginalPaper 01 March 1976 Pages: 251 - 255

10. Intervention des populations de plumatella fungosa (Pallas) (Bryozoaire phylactoleme) dans l'autoepuration des eaux d'un etang et d'un ruisseau

    • Pierre Job

    OriginalPaper 01 March 1976 Pages: 257 - 261

11. Biological assessment of the euphotic zone in a turbid man-made lake

    • J. U. Grobbelaar
    • P. Stegmann

    OriginalPaper 01 March 1976 Pages: 263 - 266

12. Notes on two marine leeches (Annelida: Hirudinea) from subantarctic Marion island including a new record

    • R. T. Sawyer
    • A. F. de Villiers

    OriginalPaper 01 March 1976 Pages: 267 - 268

13. Population dynamics of the chydorid cladocera of a Southern Michigan Marl Lake

    • Robert Keen

    OriginalPaper 01 March 1976 Pages: 269 - 276

14. Libri novi

    BookReview 01 March 1976 Pages: 277 - 280