New systematical approach to the Japanese planktonic rotatoria Minoru Sudzuki OriginalPaper Pages: 1 - 124
Determination of the periphyton production by means of the glass slide method Vladimír SládečekAlena Sládečková OriginalPaper Pages: 125 - 158
Caspian fauna in fresh waters outside the Ponto-Caspian basin Ph. D. Mordukhay-Boltovskoy OriginalPaper Pages: 159 - 164
Le rythme respiratoire de la Carpe (Cyprinus Carpio L.) et ses relations avec le taux de l'oxygène dissous dans le biotope C. PeyraudA. Serfaty OriginalPaper Pages: 165 - 178
On the ecology of algae in certain fish ponds of Hyderabad-India A. R. Zafar OriginalPaper Pages: 179 - 195
An inexpensive bioassay aimed at the agricultural disposal of waste waters S. PrátV. Sládeček OriginalPaper Pages: 246 - 251
A study of the hatching process in aquatic invertebrates Charles C. Davis OriginalPaper Pages: 253 - 266
The role of Eutropius depressirostris Peters (Pisces: Schilbeidae) as a predator in a lowveld impoundment in the Transvaal A. A. v. J. Groenewald OriginalPaper Pages: 267 - 273
Murrayellopsis dawsonii Post gen. et spec. nov. aus einem marinen Goldfisch-Nest Legacy Pages: 274 - 280
Influence des variations du facteur thermique sur l'intensité du reflexe aero-cardiaque chez la Carpe commune (Cyprinus carpio L.) A. SerfatyM. Waitzenegger OriginalPaper Pages: 281 - 286
Observations on the food habits of Clarias gariepinus Burchell, the South African freshwater barbel (Pisces: Clariidae) in Transvaal A. A. v. J. Groenewald OriginalPaper Pages: 287 - 291
Sargassum Johnstonii Setchell & Gardner, a new record for the Indian Ocean Region Francesca ThivyV. D. Chauhan OriginalPaper Pages: 292 - 299