Pleurotrochopsis anebodica n.g., n.sp. (Rotatoria) aus Schweden Bruno Bērzinś OriginalPaper Pages: 449 - 451
Description of three new species of Trebius (copepoda: trebidae) and redescription of Trebius exilis Wilson M. Shahul HameedN. Krishna Pillai OriginalPaper Pages: 461 - 475
Some limnological characteristics of the Nozha hydrodrome, near Alexandria, Egypt Massoud A. H. Saad OriginalPaper Pages: 477 - 499
Die testaceen in der umgebung der station Büschelbach (Spessart/BRD) H. Laminger OriginalPaper Pages: 501 - 513
Filtering rate of the cladoceran, Daphnia pulex as a function of body size, light and acclimation Arthur L. Buikema Jr. OriginalPaper Pages: 515 - 527
Ecological studies in the plankton of certain freshwater ponds of Hyderabad-India III. Zooplankton and bacteria G. Seenayya OriginalPaper Pages: 529 - 540