Recent Advances in Nemertean Biology

One: Ecology.- 1. The role of hoplonemerteans in the ecology of seagrass communities.- 2. Ecological implications of the reproductive biology of symbiotic nemerteans.- 3. Diversity among nemertean egg predators of decapod crustaceans.- 4. Temporal variation in abundance of the egg predator Carcinonemertes epialti (Nemertea) and its effect on egg mortality of its host, the shore crab, Hemigrapsus oregonensis.- 5. Impact of the nemertean Lineus viridis on its polychaete prey on an intertidal sandflat.- 6. Food and feeding behavior of the hoplonemertean Oerstedia dorsalis.- 7. Neuroendocrine control of gonadogenesis in regenerating Lineus lacteus (Heteronemertea).- Two: Taxonomy and Phylogeny.- 8. Evolutionary relationships between mono- and polystiliferous hoplonemerteans: Nipponnemertes (Cratenemertidae), a "missing link" genus?.- 9. Marine relatives of terrestrial nemerteans: The genus Prosadenoporus Bürger, 1890 (Hoplonemertea).- 10. Remarks on marine interstitial nemertines and key to the species.- 11. Polymorphism in Oerstedia dorsalis (Avilgaard, 1806) revisited: Electrophoretic evidence for a species complex.- 12. Hubrecht, Macfarlane, Jensen and Willmer: On the nature and testability of four versions of the nemertean theory of vertebrate origins.- 13. On the anatomy and taxonomy of Cerebratulus hepaticus Hubrecht, 1879 (Nemertini) from the Mediterranean (Banyuls-sur-Mer).- 14. On the hoplonemertean Sagaminemertes nagaiensis (Iwata, 1957), with consideration of its systematics.- 15. Notogaeanemertes folzae gen. n., sp. n., an additional ecologically restricted hoplonemertean from New Zealand.- Three: General Biology.- 16. Heavy metals in marine nemerteans.- 17. Pyridine alkaloid distribution in the hoplonemertines.- 18. Ecdysteroids in nemerteans: presence and physiological role.- 19. Water and solute regulation in Procephalothrix spiralis Coe and Clitellio arenarius (Müller). III. Long-term acclimation to diluted seawaters and effect of putative