The response of a tropical estuarine gastropod, Cerithidea cingulata (Gmelin), to different types of substrata M. Balaparameswara RaoR. V. Sukumar OriginalPaper Pages: 191 - 193
Eocyzicus spinifer sp. nov. (Conchostraca: Cyzicidae) from Iraq M. K. Durga PrasadY. RadhakrishnaA. R. Al-Jaafery OriginalPaper Pages: 195 - 203
The Rotifera of Malaysia and Singapore with remarks on some species C. H. FernandoNora P-Zankai OriginalPaper Pages: 205 - 219
Field and laboratory studies on Daphnia carinata King (Cladocera: Daphnidae) from a seasonal tropical pond K. Venkataraman OriginalPaper Pages: 221 - 225
The effect of temperature and water quality on the in vitro development and survival of Asellus aquaticus (Crustacea: Isopoda) eggs D. M. HoldichM. R. Tolba OriginalPaper Pages: 227 - 236
The estimation of micro-algal protein content and its meaning to the evaluation of algal biomass I. Comparison of methods for extracting protein Thomas Rausch OriginalPaper Pages: 237 - 251
Lutte biologique contre les mollusques vecteurs de Bilharziose. Action predatrice de Tilapia rendalli, Boulenger et de Sarotherodon mossambica, Peters a l'égard de Biomphalaria glabrata, Say M. GraberJ. A. EuzebyJ. P. Gevrey OriginalPaper Pages: 253 - 257
Electron intensity, the role of humic acids in extracellular electron transport and chemical determination of pE in natural waters Ann Peatee Zimmerman OriginalPaper Pages: 259 - 265
On the occurrence of bimodal diel dissolved oxygen curves in aquatic systems R. LingemanP. Ruardij OriginalPaper Pages: 267 - 272
The effect of current on the distribution of diatoms settling on submerged glass slides Norina MunteanuEdward J. Maly OriginalPaper Pages: 273 - 282