Cyclops Magnus from Amchitka, Alaska Gabriel W. Comita OriginalPaper 01 September 1952 Pages: 337 - 340
Etudes consacrées aux animaux dulcicoles et recherches d' Hydrobiologie animale en France de 1945 à 1950 Maurice Blanc OriginalPaper 01 September 1952 Pages: 341 - 362
Taxonomy of the nymphs of the British species of Leptophlebiidae (Ephem.) T. T. Macan OriginalPaper 01 September 1952 Pages: 363 - 376
The algal flora of southeastern United States VI. Additions to our knowledge of the desmid genus Euastrum 2 Arthur M. ScottGerald W. Prescott OriginalPaper 01 September 1952 Pages: 377 - 398
On the nuclear cytology of Hydrodictyon Johannes Proskauer OriginalPaper 01 September 1952 Pages: 399 - 408