The distribution of phytoplankton in some Central East African waters J. H. Evans OriginalPaper Pages: 299 - 315
Two experiments in inducing nutria aggregation in unfenced artificial ponds Stefan Ehrlich OriginalPaper Pages: 316 - 333
Présence d'Asellus meridianus racovitza en bourgogne J.-P. HenryG. Magniez OriginalPaper Pages: 334 - 338
Réactions cardio-respiratoires observées chez la sole au cours de l'ensablement Claude PeyraudRené Labat Legacy Pages: 351 - 356
The water characteristics of the Nile in the Sudan with a note on the effect of Eichhornia crassipes on the hydrobiology of the Nile H. M. Bishai OriginalPaper Pages: 357 - 382