The thermal springs of Bakreswar, India physico-chemical conditions, Flora and Fauna. B. B. Jana OriginalPaper Pages: 291 - 307
Life histories of Nemouridae and Leuctridae in Southern Ontario (Plecoptera) P. P. Harper OriginalPaper Pages: 309 - 356
Summer algal communities and primary productivity in fish ponds Claude E. Boyd OriginalPaper Pages: 357 - 390
Some Effects of Light on the Growth, Molting, Reproduction and Survival of the Cladoceran, Daphnia pulex Arthur J. Buikema Jr. OriginalPaper Pages: 391 - 418
Nitrogen and Phosphorus in a Stretch of the Guadalupe River, Texas, with Five Main-Stream Impoundments by Herbert H. HannanWillard C. YoungJoe J. Mayhew OriginalPaper Pages: 419 - 441