1. The effect of density and mutual interference by a Predator: A laboratory study of predation by the Nudibranch Coryphella rufibranchialis on the hydroid Tubularia larynx

   • Patricia MacLeod
   • Ivan Valiela

   OriginalPaper 01 December 1975 Pages: 339 - 346

2. Local and seasonal variations in populations of the leech erpobdella octoculata (L) in a polluted river warmed by condenser effluents

   • R. J. ston
   • D. J. A. rown

   OriginalPaper 01 December 1975 Pages: 347 - 366

3. Some observations on the division of five species of commensalic ciliates in relation to water propulsion

   • V. Santhakumari
   • N. Balakrishnan Nair

   OriginalPaper 01 December 1975 Pages: 367 - 380

4. Vegetation changes in a shallow African Lake: Response of the vegetation to a recent dry period

   • C. Howard-Williams

   OriginalPaper 01 December 1975 Pages: 381 - 398

5. Submerged vegetation of the Rotorua and Waikato lakes 3. Lake Rerewhakaiitu

   • V. J. Chapman
   • J. Clayton

   OriginalPaper 01 December 1975 Pages: 399 - 413

6. The ecology of algae in the Moruya river, Australia

   • I. C. Potter
   • D. Cannon
   • J. W. Moore

   OriginalPaper 01 December 1975 Pages: 415 - 430

7. A microbial sampler for freshwaters

   • Roger Jones

   OriginalPaper 01 December 1975 Pages: 431 - 437

8. A study on the rate of water transport of the clam katelysia opima in relation to environmental conditions

   • U. H. Mane

   OriginalPaper 01 December 1975 Pages: 439 - 451

9. Saprobitätsbestimmung nach den larven und puppen von trichoptera

   • Lubor Simanov

   OriginalPaper 01 December 1975 Pages: 453 - 462

10. A new species of clupeid fish, Ilisha sirishai from Visakhapatnam, India

    • B. V. Seshagiri Rao

    OriginalPaper 01 December 1975 Pages: 463 - 468

11. Cytological observations on the material of Boergesenia forbesii (Harv.) Feldmann from the South and West Coast of India

    • S. J. Singh
    • Y. B. K. Chowdary

    OriginalPaper 01 December 1975 Pages: 469 - 474

12. Proximate nutritive value changes during decomposition of salt marsh plants

    • Armando A. de la Cruz

    OriginalPaper 01 December 1975 Pages: 475 - 480

13. Bactéries hétérotrophes aérobies prélevées devant le delta du rhône. I- estimation quantitative des populations et d#x00E9;termination

    • B. R. Berland
    • D. J. Bonin
    • S. Y. Maestrini

    OriginalPaper 01 December 1975 Pages: 481 - 497

14. Effect of sublethal doses of copper sulphate and bayluscide on survival and oxygen consumption of the snail biomphalaria alexandrina

    • M. M. Ishak
    • A. M. Mohamed

    OriginalPaper 01 December 1975 Pages: 499 - 512

15. Seasonal and diurnal changes in the water temperature of a temperate pond (England) and a tropical pond (Kenya)

    • Johnstone O. Young

    OriginalPaper 01 December 1975 Pages: 513 - 526

16. Raft fouling in the Menai Strait, 1963–1971

    • William G. Fry

    OriginalPaper 01 December 1975 Pages: 527 - 558

17. Libri novi

    BookReview 01 December 1975 Pages: 559 - 565

18. Publishers note

    BriefCommunication 01 December 1975 Pages: 566 - 566