Algae of the Cho Oyu (E. Himalaya) expedition-I, Bacillariophyceae M. R. SuxenaV. Venkateswarlu OriginalPaper Pages: 1 - 26
Sublittoral attached epifaunal development in Buzzards Bay, Massachusetts Egbert G. Driscoll OriginalPaper Pages: 27 - 32
Toxic effects of Microcystis aeruginosa Kg. extracts on Daphnia longispina O. F. Müller and Eucypris virens Jurine Marian Stangenberg OriginalPaper Pages: 81 - 87
Bacteriostatic effects of some algae- and lemna minor extracts Marian Stangenberg OriginalPaper Pages: 88 - 96
A study of a Man-made freshwater reservoir in Eastern Flanders (Belgium), with special reference to the vertical migration of the zooplankton Henri J. DumontL. de Coninck OriginalPaper Pages: 97 - 130
The limnology of and fish production in two ponds in Chinglepat (Madras) A. Sreenivasan OriginalPaper Pages: 131 - 144
The cichlids of Ein-Feshkha springs I. Tilapia aurea exul (Steinitz) Jonathan Chervinski OriginalPaper Pages: 150 - 156
The cichlids of Ein-Feshkha springs II. Tilapia zillii (Gervais) Jonathan Chervinski OriginalPaper Pages: 157 - 160
Effect of nitrogen and phosphorus on algal growth in citrus wastes experimental oxidation pond Yehuda Kott OriginalPaper Pages: 161 - 169
The possible role of the algae Cladophora glomerata on the biological control of Biomphalaria boissyi, the snail host of Schistosoma mansoni Mounir M. IshacH. M. Bishai OriginalPaper Pages: 168 - 180
Quelques Protozoaires parasites et commensaux de batraciens et Poissons de Belgique Didier Chardez OriginalPaper Pages: 181 - 192
The resistance of tubificid worms to three common pollutants L. Stephen Whitley OriginalPaper Pages: 193 - 205
Seasonal changes in the biochemical composition of the freshwater murrel, Ophicephalus punctatus Bloch A. K. JafriMiss D. K. Khawaja OriginalPaper Pages: 206 - 218
On a collection of Conchostraca (Crustacea: Branchiopoda) from South India, with the description of two new species C. K. G. NayarK. K. N. Nair OriginalPaper Pages: 219 - 224
Notes on the ecology of some species of fresh-water algae L. A. WhitfordG. J. Schumacher OriginalPaper Pages: 225 - 236
Studies in aquatic fungi of Varanasi IV. new records and notes on taxonomy Ram DayalTharur Ji OriginalPaper Pages: 237 - 244
Changes in the biochemical composition of two common cat-fishes (Wallagonia attu Bloch and Mystus seenghala Sykes) in relation to length D. K. KhawajaA. K. Jafri OriginalPaper Pages: 245 - 256
On the salinity tolerance of eggs and young larvae of Phryganea grandis Linné (Trichoptera) Per Haage OriginalPaper Pages: 257 - 270
Études statistiques sur l'écologie et la morphologie des thecamoebiens Didier Chardez OriginalPaper Pages: 271 - 287
The eighth conference of Czechoslovakian hydrobiologists Vladimír SládečekAlena Sládečková Legacy Pages: 288 - 288