The amphiatlantic freshwater sponge Anheteromeyenia ryderi (Porifera: Spongillidae): taxonomic-geographic implications of records from Norway Karen Anna ØklandJan Økland OriginalPaper Pages: 177 - 188
Thermal structure, heat content and stability of two lakes in The National Park of Rio Doce Valley (Minas Gerais, Brazil) R. HenryF. A. R. Barbosa OriginalPaper Pages: 189 - 199
The occurrence and significance of Cladocera (Crustacea) in some streams of Central Indiana, U.S.A. Peter B. Vila OriginalPaper Pages: 201 - 214
Lipid content and utilization of lipids in planktonic copepods in Lake Pääjärvi, southern Finland Harri KuosaGöran Gyllenberg OriginalPaper Pages: 215 - 222
Reproductive strategies in rain-pool dwellers and the model freshwater insect A. J. McLachlanT. Yonow OriginalPaper Pages: 223 - 230
Ecology of freshwater snails in south-western Nigeria. I: Distribution and habitat preferences G. T. NdifonF. M. A. Ukoli OriginalPaper Pages: 231 - 253
Measurement of amphipod body length using a digitizer Michael A. QuigleyGregory A. Lang OriginalPaper Pages: 255 - 258
Redescription of Microlaimus capillaris Gerlach, 1957 (Nematoda, Chromadorida) from a mangrove mud-flat in NSW, Australia Preben Jensen OriginalPaper Pages: 259 - 262