Population density, migration and food composition of Echinogammarus veneris (Heller) in Lake Kinneret (Israel) Moshe Gophen OriginalPaper Pages: 99 - 104
Changes in phosphorus concentrations in a eutrophic lake as a result of macrophyte-kill following herbicide application M. T. MichaudG. J. AtchisonD. W. Nelson OriginalPaper Pages: 105 - 111
Cladocera from pokhara valley, nepal with notes on distribution D. B. SwarC. H. Fernando OriginalPaper Pages: 113 - 128
Oxygen uptake through water during early life of Anabas testudineus (Bloch) A. P. MishraB. R. Singh OriginalPaper Pages: 129 - 133
The geographical distribution of Naididae (Oligochaeta) in Britain M. A. Learner OriginalPaper Pages: 135 - 140
Behavioral thermoregulation in the spiny lobster Panulirus Argus (latreille) William Wallace ReynoldsMartha Elizabeth Casterlin OriginalPaper Pages: 141 - 143
Habitat selection and territorial defense behaviors in juvenile cortez angelfish, Pomacanthus zonipectus (gill) William Wallace Reynolds OriginalPaper Pages: 145 - 148
The influence of chironomus plumosus larvae on the exchange of dissolved substances between sediment and water Wilhelm Granéli OriginalPaper Pages: 149 - 159
The microdistribution of mayflies (Ephemeroptera) in myriophyllum beds in Pennington Creek, Johnston County, Oklahoma William P. Magdych OriginalPaper Pages: 161 - 175
A comparison of ventilation rates and haemoglobin concentrations between two species of loach, Noemacheilus barbatulus (L.) and Cobitis taenia (L.) P. W. J. Robotham OriginalPaper Pages: 177 - 180
Further laboratory studies on the interspecific competition between Helisoma duryi (Wetherby) and the intermediate hosts of schistosoma mansoni sambon: Biomphalaria alexandrina (Ehrenberg) and B. camerunensis (Boettger) Henry Madsen OriginalPaper Pages: 181 - 192