1. In memoriam Fritz Gessner

   • R. Riedl

   Announcement 01 October 1973 Pages: 293 - 294

2. A response-surface approach to the combined effects of temperature and salinity on the larval development of Adula californiensis (Pelecypoda: Mytilidae). II. Long-term Larval survival and growth in relation to respiration

   • R. G. Lough
   • J. J. Gonor

   OriginalPaper 01 October 1973 Pages: 295 - 305

3. Synergistic effects of environmental variables on larvae of Uca pugilator

   • W. B. Vernberg
   • P. J. DeCoursey
   • W. J. Padgett

   OriginalPaper 01 October 1973 Pages: 307 - 312

4. Pre-immersion salinity-choice behaviour in Porcellana platycheles

   • J. Davenport
   • J. Wankowski

   OriginalPaper 01 October 1973 Pages: 313 - 316

5. The filtration rate of Mytilus edulis and its dependence on algal concentration, measured by a continuous automatic recording apparatus

   • J. E. Winter

   OriginalPaper 01 October 1973 Pages: 317 - 328

6. The effects of three oils on marine phytoplankton photosynthesis

   • D. C. Gordon Jr.
   • N. J. Prouse

   OriginalPaper 01 October 1973 Pages: 329 - 333

7. Langfristige in situ-messungen zum sauerstoffgaswechsel benthischer meerespflanzen in einem kontinuierlich registrierenden durchflußsystem

   • W. Schramm

   OriginalPaper 01 October 1973 Pages: 335 - 339

8. Ökologische bedeutung der schleimsekretion bei den planula-larven der hydroidengattung Eudendrium

   • L. T. Wasserthal
   • W. Wasserthal

   OriginalPaper 01 October 1973 Pages: 341 - 345

9. Zur funktion des afterschornsteinschleuderns bei diademseeigeln

   • H. Fechter

   OriginalPaper 01 October 1973 Pages: 347 - 351

10. In vitro fertilization with non-motile spermatozoa of the brown shrimp Penaeus aztecus

    • W. H. Clark Jr.
    • P. Talbot
    • B. R. Salser

    OriginalPaper 01 October 1973 Pages: 353 - 354

11. Das kommensalische verhältnis zwischen Periclimenes imperator (Decapoda: Palaemonidae) und Hexabranchus sanguineus (Nudibranchia: Doridacea)

    • H. Schuhmacher

    OriginalPaper 01 October 1973 Pages: 355 - 360

12. An unusual abbreviated larval life in the estuarine burrowing prawn Callianassa kraussi (Crustacea: Decapoda: Thalassinidea)

    • A. T. Forbes

    OriginalPaper 01 October 1973 Pages: 361 - 365

13. The natural food of the rabbitfish Siganus oramin and S. striolata

    • H. von Westernhagen

    OriginalPaper 01 October 1973 Pages: 367 - 370

14. A contribution to the food and feeding habit of the threadfin Galeoides decadactylus

    • A. D. Onyia

    OriginalPaper 01 October 1973 Pages: 371 - 378

15. Tidal and circadian activity rhythms in juvenile plaice, Pleuronectes platessa

    • R. N. Gibson

    OriginalPaper 01 October 1973 Pages: 379 - 386