Study of the in vitro development of the parthenogenetic egg of daphnia carinata king (Cladocera: Daphnidae) N. MuruganK. Venkataraman OriginalPaper Pages: 129 - 134
Das mobile peritriche ciliat urceolaria convexa n. sp Gerhard HaiderWolfgang Dietrich OriginalPaper Pages: 135 - 141
Seasonal diversity in aquatic insect communities in an all-year stream system C. N. SlobodchikoffJanice E. Parrott OriginalPaper Pages: 143 - 151
Distribution of cadmium and lead in a stream ecosystem Michael D. EnkB. J. Mathis OriginalPaper Pages: 153 - 158
Rainwater: Nutrient additions to a hypereutrophic lake David F. Brakke OriginalPaper Pages: 159 - 163
Effects of the pO2 on swimming activity and food utilization in ophiocephalus striatus E. Vivekanandan OriginalPaper Pages: 165 - 169
Studies on the proteolytic enzymes of invertebrates constituting fish food Konrad DabrowskiJan Glogowski OriginalPaper Pages: 171 - 174
Hyalella montezuma, a new species (crustacea: amphipoda) from montezuma well, Arizona Gerald A. ColeRichard L. Watkins OriginalPaper Pages: 175 - 184
Relationships of nitrogen and phosphorus to a tropical phytoplankton population A. B. Viner OriginalPaper Pages: 185 - 196
The use of simultaneous sampling bottle and vertical net collections to describe the dynamics of a zooplankton population I. J. Hodgkiss OriginalPaper Pages: 197 - 205
Edaphic diatom communities associated with Spartina alterniflora and S. patens in New Jersey Michael J. Sullivan OriginalPaper Pages: 207 - 211
The relationship between planktonic algae and bacteria in a small lake Michael HickmanIan D. Penn OriginalPaper Pages: 213 - 219
Effects of mine drainage on the river hayle, cornwall a) factors affecting concentrations of copper, zinc and iron in water, sediments and dominant invertebrate fauna Barbara E. Brown OriginalPaper Pages: 221 - 233
Studies on the enzymatic activities related to varied pattern of diets in the air-breathing cat fish, clarias batrachus (Linn.) Pratap K. Mukhopadhyay OriginalPaper Pages: 235 - 237
Fish gluttons: The natural ability of some fishes to become obese when food is in extreme abundance Eugene K. Balon OriginalPaper Pages: 239 - 241
Food habits of channel catfish in a reservoir receiving heated waters David L. McNeelyWilliam D. Pearson OriginalPaper Pages: 243 - 249
Description of a new species of peniculisa including its immature stages S. Radhakrishnan OriginalPaper Pages: 251 - 255
On the continental Copepod fauna of Morocco Henri J. DumontW. Decraemer OriginalPaper Pages: 257 - 278