ef &b@ Hydrobiologia 402: v—vi, 1999. A.W.C. Dorresteijn & W. Westheide (eds), Reproductive Strategies and Developmental Patterns in Annelids. Contents Preface List of participants Reproductive and developmental phenomena in annelids: a source of exemplary research problems by Albrecht E. Fischer Structure, function and development of segmental organs in Annelida by Thomas Bartolomaeus Reproduction of the Syllidae (Annelida: Polychaeta) by Hans-Dieter Franke Reproduction and larval development of the spioniform Polychaeta with application to systematics and phylogeny by James A. Blake & Pamela L. Arnofsky Reproduction and development in Cirratulidae (Annelida: Polychaeta) by Mary E. Petersen Divergence of reproductive and developmental characteristics in Hediste (Polychaeta: Nereididae) by Masanori Sato 129-143 Nereidid polychaetes as model organisms for marine chemical ecolo by Jorg D. Hardege 145-161 Metabolite supply in oocytes of Nereis virens: role of nucleosides by Ulrich Hoeger, Nicole Rebscher & Gunter Geier 163-174 Polychaete aquaculture and polychaete science: a mutual synergism by Peter J.W. Olive 175-183 Development of Perviata and Vestimentifera (Pogonophora) by Eve C. Southward 185-202 Sexual conflict and mating systems in the dorvilleid genus Ophryotrocha and the dinophilid genus Dinophilus by Gabriella Sella & Liliana Ramella 203-213 Polychaete sperm: phylogenetic and functional considerations by Greg W. Rouse Sperm types and their use for a phylogenetic analysis of aquatic clitellates by Marco Ferraguti & Christer Erséus Larval settlement of polychaetes by Pei- Yuan Qian Vi Conservation and innovation in spiralian development by Jonathan J. Henry & Mark Q. Martindale 255-265 The ancestral cleavage pattern of the clitellates and its phylogenetic deviations by Wolfgang Dohle 267-283 Cellular origins of bilateral symmetry in glossiphoniid leech embryos by David A. Weisblat 285-290 Systematization of the Annelida: different approaches by Wilfried Westheide, Damhnait McHugh, Giinter Purschke & Greg W. Rouse ... 291-307 Index 309-3 14 ; eai pare