The distribution and periodicity of the phytoplankton of three Ceylon lakes E. C. T. Holsinger OriginalPaper 01 June 1955 Pages: 25 - 35
Hydrobakteriologische untersuchungen der fulda unter anwendung der membranfiltermethode Adelaide BelingHolger W. Jannasch OriginalPaper 01 June 1955 Pages: 36 - 51
The fresh-water algae of Montana. I. New species of chaetophoraceae G. W. Prescott OriginalPaper 01 June 1955 Pages: 52 - 59
A new species of anabaenopsis in a Kansas lake with notes on limnology G. W. PrescottTed F. Andrews OriginalPaper 01 June 1955 Pages: 60 - 63
A note on the occurence of Hexarthra fennica Levander in Czechoslovakian oligohaline waters Vladimír Sládeček OriginalPaper 01 June 1955 Pages: 64 - 65
The production of organic matter by the phytoplankton in a danish lake receiving extraordinarily great amounts of nutrient salts E. Steemann Nielsen OriginalPaper 01 June 1955 Pages: 68 - 74
Occurrence of Dinobryon crenulatum Wm. et G. S. West in some Danish ponds and remarks on its morphology, cyst formation, and ecology Berit Asmund OriginalPaper 01 June 1955 Pages: 75 - 87
Some new diatoms from Blakeney Point (Norfolk) M. M. Salah OriginalPaper 01 June 1955 Pages: 88 - 102
The attached algal flora of slow sand filter beds of waterworks Alan J. Brook OriginalPaper 01 June 1955 Pages: 103 - 117
Riesenwuchs auf verrotteten Halmen von Scirpus lacustris L. K. von Seidel OriginalPaper 01 June 1955 Pages: 118 - 118
Corixa lacustris Macan a synonym of C. dorsalis leach T. T. Macan OriginalPaper 01 June 1955 Pages: 124 - 124
Fresh-water invertebrates of the United States Robert W. Pennak OriginalPaper 01 June 1955 Pages: 126 - 126
