1. Artificial culture of narasimhania alismatis

   • Lallan Singh
   • M. S. Pavgi

   OriginalPaper 01 May 1977 Pages: 3 - 5

2. The ABC's of diatom identification using laser holography

   • John Cairns Jr.
   • K. L. Dickson
   • John Slocomb

   OriginalPaper 01 May 1977 Pages: 7 - 16

3. Changes in cephalothorax length of diatomus oregonensis as an indicator of generations

   • H. C. Lai

   OriginalPaper 01 May 1977 Pages: 17 - 21

4. Desmids from Pachmarhi, Madhya Pradesh, India

   • M. S. Agarker
   • D. S. Agarkar

   OriginalPaper 01 May 1977 Pages: 23 - 32

5. Standard, routine and active oxygen consumption of a freshwater shrimp

   • M. John Wucliffe
   • S. V. Job

   OriginalPaper 01 May 1977 Pages: 33 - 39

6. Distribution and tissue retention of cesium-₁₃₄ and cobalt-6o in the nile catfish clarias lazera (cuv. & val.)

   • M. M. Ishak
   • S. R. Khalil
   • W. E. Y. Abdelmalik

   OriginalPaper 01 May 1977 Pages: 41 - 48

7. Une etude sur clarias senegalensis val. dans la region du lac kossou (cote d'ivoire)

   • R. Jocque

   OriginalPaper 01 May 1977 Pages: 49 - 65

8. Distribution and seasonal periodicity of water molds in some lakes in Naini Tal Hills, India

   • R. D. Khulbe
   • K. S. Bhargava

   OriginalPaper 01 May 1977 Pages: 67 - 72

9. Lowering of water level and algal biomass in Lake Kinneret

   • Colette Serruya
   • Utsa Pollingher

   OriginalPaper 01 May 1977 Pages: 73 - 80

10. Species composition, distribution, and abundance of oligochaetes in the Kanawha River, West Virginia

    • Anthony F. Maciorowski
    • Ernest F. Benfield
    • Albert C. Hendricks

    OriginalPaper 01 May 1977 Pages: 81 - 91

11. Libri novi

    BookReview 01 May 1977 Pages: 93 - 96