Metal concentrations in certain coastal organisms from Beirut J. G. Shiber OriginalPaper Pages: 181 - 195
Temporal changes in periphyton standing crop during an unusually dry winter in streams of the Western Cascades, Oregon J. S. RounickS. V. Gregory OriginalPaper Pages: 197 - 205
The structure of Ciliated Protozoa communities in biological sewage-treatment plants Paolo MadoniPier Francesco Ghetti OriginalPaper Pages: 207 - 215
The effect of drought on benthic invertebrate communities in a lowland river C. A. Extence OriginalPaper Pages: 217 - 224
An ecological study of an Antarctic freshwater pool with particular reference to Tardigrada and Rotifera D. A. Everitt OriginalPaper Pages: 225 - 237
Aplysia punctata added to list of laboratory-cultured Aplysia C. OtsukaL. OliverE. Tobach OriginalPaper Pages: 239 - 240
Inter-species variability in the consumption of algae by oligochaetes James W. Moore OriginalPaper Pages: 241 - 244
Swimming performance and metabolic rate of three tropical fishes in relation to temperature F. W. H. Beamish OriginalPaper Pages: 245 - 254
Thermoregulatory behavior of the triggerfish Balistes fuscus in an electronic shuttlebox William W. ReynoldsMartha E. Casterlin OriginalPaper Pages: 255 - 256
Evaluation of a standpipe corer for sampling aquatic interstitial biotopes D. Dudley Williams OriginalPaper Pages: 257 - 260
Redescription of two freshwater ostracods (Crustacea, Ostracoda) of the genus Eucypris Vavra, 1891 from the Philippines Reginald VictorC. H. Fernando OriginalPaper Pages: 261 - 265
Thermal regimes of Florida lakes John R. BeaverThomas L. CrismanJames S. Bays OriginalPaper Pages: 267 - 273
Interrelation between plankton and benthos in the littoral algal community of Lake Yunoko, Central Japan Sakiko Yoshitake OriginalPaper Pages: 275 - 281
Limnological study of a freshwater reservoir, Jamwa Ramgarh (Jaipur) B. GopalP. K. GoelR. K. Trivedy OriginalPaper Pages: 283 - 294
Seasonal succession of the phytoplankton in the upper Mississippi River K. Kromer BakerAlan L. Baker OriginalPaper Pages: 295 - 301
Nitrogen and phosphorus dynamics in hot desert streams of Southwestern U.S.A. Nancy B. GrimmStuart G. FisherW. L. Minckley OriginalPaper Pages: 303 - 312
The effects of dissolved heavy metals on attached diatoms in the Uintah Basin of Utah, U.S.A. Samuel R. RushforthJack D. BrothersonWilliam E. Evenson OriginalPaper Pages: 313 - 323
The effects of selected physical and chemical factors on attached diatoms in the Uintah Basin of Utah, U.S.A. William E. EvensonSamuel R. RushforthNatha Fungladda OriginalPaper Pages: 325 - 330
Chemistry and plant ecology of zinc-rich wastes dominated by blue-green algae B. A. WhittonN. L. GaleB. G. Wixson OriginalPaper Pages: 331 - 341