1. Hydrobiologische untersuchungen in transvaal I. Vergleichung der herbstlichen Algengemeinschaften in Rayton-vlei und Leeufontein

   • B. J. Cholnoky

   OriginalPaper Pages: 137 - 209

2. Sonderia labiata, n. sp., Cilié trichostome psammobie

   • E. Fauré-Fremiet
   • Michel Tuffrau

   OriginalPaper Pages: 210 - 218

3. Contributions to our knowledge of British Algae, XIV. Three new species from the English Lake District

   • J. W. G. Lund

   OriginalPaper Pages: 219 - 229

4. Qualitative und quantitative Untersuchungen der fische der fulda

   • Karl Müller

   OriginalPaper Pages: 230 - 244

5. Ecological observations on the marine algae of Ghardaqa (Red Sea)

   • A. H. Nasr

   OriginalPaper Pages: 245 - 255

6. Beobachtungen über die Tierwelt an einer künstlichen heissen Quelle

   • Hermann Remmert

   OriginalPaper Pages: 256 - 260

7. Some remarks on Plumatella philippinensis Kraepelin

   • A. W. Lacourt

   OriginalPaper Pages: 261 - 263

8. A quantitative plankton net for horizontal sampling

   • H. D. Slack

   OriginalPaper Pages: 264 - 268

9. Tornaria from Madras (Enteropneusta)

   • K. Pampapathi Rao

   OriginalPaper Pages: 269 - 278

10. A review of the genera Calamoecia and Brunella (freshwater copepoda)

    • V. H. Jolly

    OriginalPaper Pages: 279 - 284

11. „Diurnal variations in dissolved gases, hydrogen ion concentration, and some of the important dissolved substances of biological significance in three temporary rock pools in the stream bed at Mettur Dam”

    • S. V. Ganapati

    OriginalPaper Pages: 285 - 303

12. Bibliography

    Legacy Pages: 304 - 308