ANNOUNCEMENTS

Articles in the same Issue

1. Title
2. Contents
3. ANNOUNCEMENTS
4. Editorial recommendations
5. Studies in the Bangiaceae: Reproductive Modes
6. Cladophyllum schnetteri, a New Genus and Species of Sargassaceae (Fucales, Phaeophyta) from the Caribbean Coast of Colombia
7. Alginate Block Structure in Laminaria digitata: Implications for Holdfast Attachment
8. A Survey of Some Marine Organisms for Haemagglutinins
9. Aspects of the Ecology of Laminaria pallida (Grev.) J. Ag. off the Cape Peninsula (South Africa) I. Seasonal Growth
10. Effects of Crude Oils and Aromatic Hydrocarbons on the Photosynthesis of Three Species of Acrosiphonia Grown in the Laboratory
11. Seasonal Changes in Sulphate and 3,6-anhydrogalactose Content of Phycocolloids from Two Red Algae
12. Seaweed as Source of Energy. I: Effect of a Specific Bacterial Strain on Biogas Production
13. Short Communications
14. The Influence of Salinity upon Cellular Mannitol Concentration of the Euryhaline Marine Alga Pilayella littoralis (L.) Kjellm. (Phaeophyta, Ectocarpales): Preliminary Observations