Echinoderms

Behavior 1. Feeding habits of sea star Astropecten marginatus in Golfo Triste, Venezuela 2. Feeding and some aspects of the gut structure in the spatangoid echinoid, Echinocardium cordatum (Pennant) 3. The arm-coiling response of Amphipholis squamata (Delle Chiaje) 4. Functional morphology of the clypeasteroid Echinocyamus pusillus 5. The feeding biology of Ophioderma brevispinum (Ophiuroidea: Echinodermata) 6. Feeding rates of Lytechinus variegatus Lamarck (Echinodermata: Echinoidea) on differing physiognomies of an artificial food of uniform composition 7. Suspension feeding by Caribbean comatulid crinoids 8. Effects of secondary metabolites from marine macrophytes on feeding by Lytechinus variegatus (Lamarck) 9. Food composition and feeding behavior of sympatric species of comatulid crinoids from the Palau Islands (Western Pacific) 10. The feeding mechanism of the sand dollar Echinarachnius parma (Lamarck) 11. Chemoreception by the asteroid Crossaster papposus (L.) 12. Photosensitivity of Diadema antillarum: Does it show scototaxis? Skeletal structures and the body wall 13. Functional morphology of a holothurian autotomy plane and its role in evisceration 14. Skeletal deformations in the sea-urchin Tripneustes gratilla (L) under pollution conditions in the Gulf of Elat, Red Sea 15. Differential growth in Tripneustes gratilla (Echinoidea) 16. Variable ligaments and imbricate plates in echinoderm skeletons 17. New x-ray diffraction techniques for calcite crystal orientation in echinoids 18. Nervous system and regeneration in the starfish Asterina gibbosa; histofluorescent study and biochemical assay of catecholamines 19. Scanning electron microscope observations of sea urchin coronal plates 20. Rapid and reversible changes in stiffness of echinoderm connective tissues Paleontology 21. The completeness of the echinoderm fossil record 22. The cornute and mitrate controversy - A review and commentary 23. Affinities of Cymbionites and the Haplozoa 24. Structure and