1. Cycle annuel du phytoplancton et de la production primaire dans les mers tropicales

   • A. Sournia

   OriginalPaper Pages: 287 - 303

2. Some biophysical parameters of the skin of the electric fishTorpedo marmorata

   • T. Radil-Weiss
   • N. Kovačevič

   OriginalPaper Pages: 304 - 305

3. Morphologie, Entwicklung und Ökologie digener Trematoden-Larven der StrandschneckeLittorina littorea

   • B. Werding

   OriginalPaper Pages: 306 - 333

4. Study of bacteria associated with marine algae in culture

   • B. R. Berland
   • S. Y. Maestrini

   OriginalPaper Pages: 334 - 335

5. Eine Apparatur zur kontinuierlichen Respirationsmessung an marinen Organismen

   • J. A. von Oertzen
   • V. Motzfeld

   OriginalPaper Pages: 336 - 340

6. Excretion of photosynthale by a benthic diatom

   • G. Chapman
   • A. C. Rae

   OriginalPaper Pages: 341 - 351

7. Uptake of organic material by aquatic invertebrates

   • D. J. Reish
   • G. C. Stephexs

   OriginalPaper Pages: 352 - 355