1. Heterotrophic bacteria in Long Island Sound

   • R. A. Murchelano
   • C. Brown

   OriginalPaper Pages: 1 - 6

2. The relation between spontaneous activity cycles and diurnal rhythms of metabolism in the polychaetous annelid Glycera dibranchiata

   • C. P. Mangum
   • D. M. Miyamoto

   OriginalPaper Pages: 7 - 10

3. Seasonal changes in the free glycerol level in the body parts of the adult barnacle Balanus balanoides

   • P. A. Cook
   • P. A. Gabott

   OriginalPaper Pages: 11 - 13

4. Seasonal and areal changes in standing stocks of phytoplankton, zooplankton and micronekton in the eastern tropical pacific

   • M. Blackburn
   • R. M. Laurs
   • B. Zeitzschel

   OriginalPaper Pages: 14 - 31

5. Phytoplankton production: seasonal change in the oceanic eastern tropical Pacific

   • R. W. Owen
   • B. Zeitzschel

   OriginalPaper Pages: 32 - 36

6. A ciliate red tide at Barrow, Alaska

   • O. Holm-Hansen
   • F. J. R. Taylor
   • R. J. Barsdate

   OriginalPaper Pages: 37 - 46

7. Two new records of Planctosphaera larvae (Hemichordata: Planctosphaeroidea)

   • R. S. Scheltema

   OriginalPaper Pages: 47 - 48

8. The ecology of hydromedusae from the Cochin area

   • M. Vannucci
   • V. Santhakumari
   • E. P. dos Santos

   OriginalPaper Pages: 49 - 58

9. Der einfluß von temperaturänderungen anf enzyme der fischmuskulatur. Versuche mit Rhodeus amarus

   • K. Braun
   • H. Künnemann
   • H. Laudien

   OriginalPaper Pages: 59 - 70

10. Der einfluß von temperaturänderungen auf enzyme der fischmuskulatur. Versuche mit goldorfen Idus idus

    • H. Künnemann
    • H. Laudien
    • H. Precht

    OriginalPaper Pages: 71 - 81

11. Variations du comportement physiologique de l'algue Monallantus salina (xanthophycée) en culture

    • B. R. Berland
    • D. J. Bonin
    • S. Y. Maestrini

    OriginalPaper Pages: 82 - 92