1. Index Autorum

   Legacy 01 July 1975 Pages: iii - iii

2. Contents

   Legacy 01 July 1975 Pages: iv - vi

3. Embryonic development and hatching of chirocephalus diaphanus prévost (Crustacea: Anostraca) in nature

   • A. N. Khalaf
   • R. E. Hall

   OriginalPaper 01 July 1975 Pages: 1 - 11

4. Contribution à la connaissance de la distribution des sels nutritifs en Baie de Morlaix (Finistère, France). Mise en evidence du Rôle des algues benthiques

   • G. T. Houvenaghel

   OriginalPaper 01 July 1975 Pages: 13 - 29

5. Studies on the freshwater algae of the Sudan II. The distribution of the bacillariophyceae of Wadi Galol, Jebel Marra

   • A. G. Abdel Karim

   OriginalPaper 01 July 1975 Pages: 31 - 42

6. Some effects of light on the energetics of Daphnia pulex and implications for the significance of vertical migration

   • Arthur L. Buikema Jr.

   OriginalPaper 01 July 1975 Pages: 43 - 58

7. Le role ecologique de la température dans la distribution de deux espèces proches parentes de planaires d'eau douce: Etude expérimentale

   • C. Lascombe
   • E. Pattee
   • C. Bornard

   OriginalPaper 01 July 1975 Pages: 59 - 80

8. Two new quantitative samplers for aquatic phytomacrofauna

   • Victor J. E. McCauley

   OriginalPaper 01 July 1975 Pages: 81 - 89

9. The emergence of insects from a British River, warmed by Power Station Cooling-Water

   • T. E. Langford

   OriginalPaper 01 July 1975 Pages: 91 - 133

10. The effects of temperature upon the toxicity of chemicals to aquatic organisms

    • John Cairns Jr.
    • Alan G. Heath
    • Bruce C. Parker

    OriginalPaper 01 July 1975 Pages: 135 - 171

11. Remarks on F. Wiebach's Proposals for a revision of the genus Hyalinella

    • A. W. Lacourt

    OriginalPaper 01 July 1975 Pages: 173 - 174

12. Libri novi

    BookReview 01 July 1975 Pages: 175 - 180