Algae of importance and their control in water supplies Indira S. JayangoudarS. V. Ganapati OriginalPaper Pages: 317 - 330
Some observations on the use of sewage stabilization lagoons in India Indira S. JayangoudarS. V. Ganapati OriginalPaper Pages: 331 - 348
On the ecology and distribution of freshwater planarians in the Japanese islands, with special reference to their vertical distribution Masaharu Izawakatsu OriginalPaper Pages: 349 - 408
Influence de l'abaissement de température sur la valeur de la fréquence respiratoire et du taux lymphocytaire du milieu sanguin chez la Carpe commune (Cyprinus carpio L.) A. SerfatyJ. Laffont OriginalPaper Pages: 409 - 420
Contributions to the productivity of the littoral region of pools and ponds Milan Straškraba OriginalPaper Pages: 421 - 443
Taxonomic notes on the Indian species of Keratella (Rotifera) C. K. G. Nayar OriginalPaper Pages: 457 - 462
Studies on the fresh-water Oligochaeta of South India K. Vanamala Naidu OriginalPaper Pages: 463 - 483
Some interesting morphological features in Tolypothrix spp. Rad Nandan PrasadPrakash Nath Srivastava OriginalPaper Pages: 517 - 520
Studies on Chrysophyceae from some ponds and lakes in Alaska Berit AsmundDouglas K. Hilliard OriginalPaper Pages: 521 - 526
The application of the Blytt and Sernander classification to the post-glacial sediment stratification in the lakes of the north-eastern region of Poland Bazyli Czeczuga OriginalPaper Pages: 527 - 538
The genus Clathromorphum (Corallinaceae) in the Gulf of Maine Walter H. Adey OriginalPaper Pages: 539 - 573
