1. Genetic evidence for two species of sprat (Sprattus) in New Zealand waters

   • P. J. Smith
   • D. A. Robertson

   OriginalPaper Pages: 227 - 233

2. The functions of octopine dehydrogenase and D-lactate dehydrogenase in the pedal retractor muscle of thedog whelk Nassarius coronatus (Gastropoda: Nassariidae)

   • J. Baldwin
   • A. K. Lee
   • W. R. England

   OriginalPaper Pages: 235 - 238

3. Correlates between number of mates, shelter availability and reproductive behavior in the Tautog Tautoga onitis

   • B. L. Olla
   • C. Samet
   • A. L. Studholme

   OriginalPaper Pages: 239 - 248

4. Algal symbiosis: A mathematical analysis

   • P. Hallock

   OriginalPaper Pages: 249 - 255

5. Effects of light intensity on nitrate and nitrite uptake and excretion by Chaetoceros curvisetus

   • S. M. Anderson
   • O. A. Roels

   OriginalPaper Pages: 257 - 261

6. Differential feeding and fecal pellet composition of salps and pteropods, and the possible origin of the deep-water flora and olive-green “Cells”

   • M. W. Silver
   • K. W. Bruland

   OriginalPaper Pages: 263 - 273

7. Day-night differences in the emergence of demersal zooplankton from a sand substrate in a kelp forest

   • R. M. Hammer

   OriginalPaper Pages: 275 - 280

8. Adenosine nucleotide “energy charge” ratios as an ecophysiological index for microplankton communities

   • J. -C. Romano
   • R. Daumas

   OriginalPaper Pages: 281 - 296

9. Chemical characteristics of arsenic in a marine food chain

   • D. W. Klumpp
   • P. J. Peterson

   OriginalPaper Pages: 297 - 305

10. Stability of sea urchin dominated barren grounds following destructive grazing of kelp in St. Margaret's Bay, Eastern Canada

    • A. R. O. Chapman

    OriginalPaper Pages: 307 - 311

11. A simple and cheap apparatus for the controlled feeding of suspension feeders

    • H. H. Janssen
    • H. P. Dreyer

    OriginalPaper Pages: 313 - 315

12. Corrigendum notice

    Erratum Pages: 316 - 316