1. Nutrient concentration-stream discharge relationships during storm events in a first-order stream

   • Wayne F. McDiffett
   • Andrew W. Beidler
   • Kenneth D. McCrea

   OriginalPaper Pages: 97 - 102

2. Habitat characterization of the morphologically similar mayfly larvae, Caenis and Tricorythodes (Ephemeroptera)

   • Lynda D. Corkum

   OriginalPaper Pages: 103 - 109

3. Larval mouthpart deformities in Procladius paludicola Skuse (Diptera: Chironomidae) from the Murray and Darling Rivers, Australia

   • V. Pettigrove

   OriginalPaper Pages: 111 - 117

4. Benthic algal response to N and P enrichment along a pH gradient

   • Hunter J. Carrick
   • Rex L. Lowe

   OriginalPaper Pages: 119 - 127

5. Bryocamptus pilosus n. sp. (Copepoda: Harpacticoida) from North America

   • Dietrich Flößner

   OriginalPaper Pages: 129 - 134

6. The impact of repeated insecticidal treatments on drift and benthos of a headwater stream

   • J. Bruce Wallace
   • G. John Lugthart
   • Gretchen A. Schurr

   OriginalPaper Pages: 135 - 147

7. Modification of life-history parameters of Daphnia pulex Leydig and D. magna Straus by the presence of Chaoborus sp.

   • M. Ketola
   • I. Vuorinen

   OriginalPaper Pages: 149 - 155

8. The immature stages of Plea frontalis (Fieber, 1844) (Hemiptera, Pleidae), with a redescription of the adult

   • John A. H. Benzie

   OriginalPaper Pages: 157 - 171

9. The diet of juvenile and adult twaite shad Alosa fallax fallax (lacépède) from the rivers Severn and Wye (Britain)

   • Miran W. Aprahamian

   OriginalPaper Pages: 173 - 182