1. Objectionable algae with reference to the killing of fish and other animals

   • G. W. Prescott

   OriginalPaper 01 March 1948 Pages: 1 - 13

2. Microcystis toxica sp. nov. a poisonous alga from the transvaal and orange free state

   • Edith L. Stephens

   BriefCommunication 01 March 1948 Pages: 14 - 14

3. Le phytoplancton estival de la “Costa Brava” catalene en 1946

   • Ramón Margalef

   OriginalPaper 01 March 1948 Pages: 15 - 21

4. Algennachweis in Entenexkrementen

   • Edwin Messikommer

   OriginalPaper 01 March 1948 Pages: 22 - 27

5. Thecamoebous moss-rhizopods from New Zealand

   • H. R. Hoogenraad
   • A. A. de Groot

   OriginalPaper 01 March 1948 Pages: 28 - 44

6. Die Photosynthese des Phytoplanktons vom Gesichtspunkte der Quantenlehre

   • R. Maucha

   OriginalPaper 01 March 1948 Pages: 45 - 62

7. On the Bohemian species of the genus Pedalia Barrois

   • Emanuel Bartoš

   OriginalPaper 01 March 1948 Pages: 63 - 77

8. A propos de quelques espèces du genre Trachelomonas Ehrbg. et du genre Strombomonas Defl. trouvées aux Pays-Bas

   • A. Middlehoek

   OriginalPaper 01 March 1948 Pages: 78 - 89

9. Thermal—vegetation and ecological—valences theory

   • V. Vouk

   OriginalPaper 01 March 1948 Pages: 90 - 95

10. Bibliographie

    • H. Kufferath

    Legacy 01 March 1948 Pages: 96 - 104

11. Intérêt épidémiologique de la recherche des bactériophages dans les eaux

    • Ch Gernez Rieux
    • R. Buttiaux
    • G. Muchemble

    OriginalPaper 01 March 1948 Pages: 105 - 114

12. Contributions to our knowledge of British algae

    • F. E. Fritsch

    OriginalPaper 01 March 1948 Pages: 115 - 125

13. Deux expèces de Vorticella commensales des Conochilus

    • E. Fauré-Fremiet

    Plates 01 March 1948 Pages: 126 - 132

14. Beiträge zur Kenntnis der Algenflora des Kantons Zürich

    • Edwin Messikommer

    OriginalPaper 01 March 1948 Pages: 133 - 168

15. Luminosity measurements in Aswan reservoir, Egypt

    • G. Abdin

    OriginalPaper 01 March 1948 Pages: 169 - 182

16. Contributions to the knowledge of Tendipedidae of Padova and Venice

    • G. Marcuzzi

    OriginalPaper 01 March 1948 Pages: 183 - 209

17. Remarks on Microgromia socialis Hertwig et Lesser

    • A. Middelhoek

    OriginalPaper 01 March 1948 Pages: 210 - 214

18. A new limnological method for the investigation of thin-layered epilithic communities

    • R. Margalef

    BriefCommunication 01 March 1948 Pages: 215 - 216

19. Dr H. C. Redeke 29 VIII 1873–10 IV 1945

    • A. P. C. de Vos

    Personalia 01 March 1948 Pages: 217 - 219

20. Emile De Wildeman comme algologue

    • P. Van Oye

    Plates 01 March 1948 Pages: 220 - 221

21. Bibliography

    Legacy 01 March 1948 Pages: 222 - 224

22. Einige Gedanken zur Frage des Nährstoffhaushalts der Gewässer

    • R. Maucha

    OriginalPaper 01 March 1948 Pages: 225 - 237

23. On the ecology of some small lakes near Buitenzorg, Java

    • K. F. Vaas
    • M. Sachlan

    OriginalPaper 01 March 1948 Pages: 238 - 250

24. Ecological studies of some marine algae from Alexandria

    • A. H. Nasr
    • A. A. Aleem

    OriginalPaper 01 March 1948 Pages: 251 - 281

25. Nouvelles Données sur les Desmidiées des Environs de Matadi (Congo belge)

    • Paul van Oye

    OriginalPaper 01 March 1948 Pages: 282 - 308

26. Copulation observed in Viviparus fasciatus (O. F. Müller)

    • Ole Sylvest

    BriefCommunication 01 March 1948 Pages: 309 - 311

27. Einige neue Notommatidae-Arten (Rotatoria) aus Schweden

    • Bruno Bérzinš

    OriginalPaper 01 March 1948 Pages: 312 - 321

28. C. Wesenberg-Lund

    • Kaj Berg

    Plates 01 March 1948 Pages: 322 - 324

29. Bibliography

    Legacy 01 March 1948 Pages: 325 - 332

30. Un nuovo periodo di osservazioni sul fitoplancton del lago di Nemi

    • V. Marchesoni

    OriginalPaper 01 March 1948 Pages: 333 - 345

31. Temperature characteristics of Sodon lake. A dichothermic lake in Southeastern Michigan

    • Curtis L. Newcombe
    • John V. Slater

    OriginalPaper 01 March 1948 Pages: 346 - 378

32. Le dimorphisme de Espejoia mucicola

    • E. Fauré-Fremiet
    • H. Mugard

    OriginalPaper 01 March 1948 Pages: 379 - 389

33. Etude de quelques espèces de Peridinium, souvent confondues

    • E. Balech

    OriginalPaper 01 March 1948 Pages: 390 - 409

34. Metamorphosis of the Chironomidae I

    • M. Goetghebuer
    • C. F. Humphries
    • A. M. FitzGerald

    OriginalPaper 01 March 1948 Pages: 410 - 424

35. Zum Formwechsel-und Artproblem von Anuraea aculeata (Keratella quadrata)

    • Agnes Ruttner-Kolisko

    OriginalPaper 01 March 1948 Pages: 425 - 468

36. Biological productivity of reservoirs

    • G. Abdin

    Legacy 01 March 1948 Pages: 469 - 476