The cultivation and predator-prey relationships Chænæ vorax and Cyclidium sp. Helen C. GreenblattDonald L. Perkins OriginalPaper 01 May 1975 Pages: 351 - 358
Oxygen consumption and respiratory behaviour of three Nile fishes A. M. Abdel MagidM. M. Babiker OriginalPaper 01 May 1975 Pages: 359 - 367
Hatching of the Anostracan Branchiopod Chirocephalus diaphanus Prévost I. Osmotic processes and the possible role of glycerol R. E. HallL. J. MacDonald OriginalPaper 01 May 1975 Pages: 369 - 375
Hatching of the Anostracan Branchiopod Chirocephalus diaphanus Prévost II. The role of embryonic movements A. N. KhalafR. E. Hall OriginalPaper 01 May 1975 Pages: 377 - 390
Toxicity of zinc to schistosoma Mansoni Cercariae in a Chemically Defined Water Medium John A. MechamRhodes B. Holliman OriginalPaper 01 May 1975 Pages: 391 - 404
Distribution of the Family Hydropsychidae (Trichoptera) in the Savannah River Basin of North Carolina, South Carolina and Georgia A. Elizabeth GordonJ. Bruce Wallace OriginalPaper 01 May 1975 Pages: 405 - 423
Die rezente Verbreitung der Flusskrebse in Hessen (Decapoda: Astacidae) Jürgen H. Jungbluth OriginalPaper 01 May 1975 Pages: 425 - 434
Phytoplankton biomass and primary productivity of of Lake Leake and Tooms Lake, Tasmania R. L. CroomeP. A. Tyler OriginalPaper 01 May 1975 Pages: 435 - 443
The Quantitative Importance of the Benthic Microfauna of an Arctic Tundra Pond Tom Fenchel OriginalPaper 01 May 1975 Pages: 445 - 464
Die Sukzession der Testaceen-Assoziationen (Protozoa, Rhizopoda) im rezenten und subfossilen Sphagnum des Obersees bei Lunz (Niederösterreich) H. Laminger OriginalPaper 01 May 1975 Pages: 465 - 487
Eléments d'observation sur la cinématique, la dynamique et l'énergétique de la locomotion dans le courant chez une larve de Trichoptère à fourreau Michel Bournaud OriginalPaper 01 May 1975 Pages: 489 - 513
Some biometrical, ecological, morphological and distributional aspects of Chaetognata Demetrio Boltovskoy OriginalPaper 01 May 1975 Pages: 515 - 534
A preliminary biological survey of Lake Nubia Y. B. Abu-GideiriM. T. Ali OriginalPaper 01 May 1975 Pages: 535 - 541