Microsensor studies of photosynthesis and respiration in the symbiotic foraminifer Orbulina universa S. RinkM. KühlH. J. Spero Article Pages: 583 - 595
UV-radiation can affect depth-zonation of Antarctic macroalgae K. BischofD. HaneltC. Wiencke Article Pages: 597 - 605
Use of pulse amplitude modulated (PAM) fluorometry for in situ measurements of photosynthesis in two Red Sea faviid corals S. BeerM. IlanI. Brickner Article Pages: 607 - 612
In situ measurements of photosynthetic irradiance responses of two Red Sea sponges growing under dim light conditions S. BeerM. Ilan Article Pages: 613 - 617
Variability in the chemical defense of the sponge Chondrilla nucula against predatory reef fishes D. C. Swearingen IIIJ. R. Pawlik Article Pages: 619 - 627
Sexual reproduction of the scyphomedusa Aurelia aurita in relation to temperature and variable food supply C. H. LucasS. Lawes Article Pages: 629 - 638
Anatomical and ultrastructural studies of chemical defence in the sponge Dysidea fragilis A. MarinM. D. LópezA. Fontana Article Pages: 639 - 645
Seasonality of polypide recycling and sexual reproduction in some erect Antarctic bryozoans D. K. A. BarnesA. Clarke Article Pages: 647 - 658
Genetic variability and relationships among geographically widely separated populations of Petitia amphophthalma (Polychaeta: Syllidae). Results from RAPD-PCR investigations C. von SoostenH. SchmidtW. Westheide Article Pages: 659 - 669
Effects of Trichodesmium spp. blooms on penaeid prawn larvae N. P. PrestonM. A. BurfordD. J. Stenzel Article Pages: 671 - 679
Effects of specimen handling and otolith preparation on concentration of elements in fish otoliths C. H. ProctorR. E. Thresher Article Pages: 681 - 694
Free amino acids and energy metabolism in eggs and larvae of seabass, Lates calcarifer B. SivaloganathanJ. WalfordT. J. Lam Article Pages: 695 - 702
Feeding kinematics of hatchling swellsharks, Cephaloscyllium ventriosum (Scyliorhinidae): the importance of predator size L. A. Ferry-Graham Article Pages: 703 - 718
Resource partitioning by four species of elasmobranchs (Batoidea: Urolophidae) in coastal waters of temperate Australia M. E. PlatellI. C. PotterK. R. Clarke Article Pages: 719 - 734
Possible biases in experiments evaluating the consumption of discards by seabirds in the North Sea S. GartheO. Hüppop Article Pages: 735 - 741
Evolution of reproductive features and larval development in the genus Amphiglena (Polychaeta: Sabellidae) G. W. RouseM. C. Gambi Article Pages: 743 - 754