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Aquatic Oligochaete Biology Developments in Hydrobiology 51 Series editor H. J. Dumont Aquatic Oligochaete Biology Proceedings of the 4th International Symposium on Aquatic Oligochaete Biology Edited by J. L. Kaster Reprinted from Hydrobiologia, vol. 180 (1989) Kluwer Academic Publishers Dordrecht / Boston / London Library of Congress Cataloging-in-Publication Data 01 igochaete bIology! edited by Jerry L. Kaster. p. cm. -- (Developments In hydroblology ; 51) "Proceedings of the 4th InternaTional Sycposium on Aquatic 01 igochaete Biology ... March 13-18 [1988] at the LOuIsIana State University. Baton Rouge"--Pref. ~quatic 1. Ollgochaeta--Congresses. 2. Aquat ic invertebrates--Congresses. I. Kaster. Jerry L. II. International SymposIum on AquatIc 01 igochaete Biology (4th 1988 LouIsiana State UniversIty. Baton Rouge. La.) III. SerIes. QL391.A6A68 1989 89-11141 595.1 '46--dc20 ISBN-13: 978-94-010-7577-0 DOl: 10.1007/978-94-009-2393-5 e-ISBN-13:978-94-009-2393-5 Kluwer Academic Publishers incorporates the publishing programmes of Dr W. Junk Publishers, MTP Press, Martinus Nijhoff Publishers, and D. Reidel Publishing Company. Distributors for the United States and Canada: Kluwer Academic Publishers, 101 Philip Drive, Norwell, MA 02061, U.S.A. for all other countries: Kluwer Academic Publishers Group, P.O. Box 322, 3200 AH Dordrecht, The Netherlands Printed on acid-free paper Copyright © 1989 by Kluwer Academic Publishers, Dordrecht Softcover reprint of the hardcover 1st edition 1989 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, mechanical, photocopying, recording, or otherwise, without the prior written permission from the copyright owners. v Contents Preface by J. L. Kaster In memoriam: Dr. Oarence James Goodnight Part One: Taxonomy and Evolution 1. Comments on the classification of the Clitellata by P. C. Holt 2. Did the lumbriculids provide the ancestors of the branchiobdellidans, acanthobdellidans and leeches? by R. O. Brinkhurst & S. R. Gelder 3. Phylogeny and origins of Enchytraeidae by K. A. Coates 4. Preliminary investigations of hybridization/reticulate evolution in Guaranidrilus (Enchytraeidae: Oligochaeta) by K. A. Coates 5. Preliminary report on the Enchytraeidae (Oligochaeta) of West Florida by B. Healy 6. New species of Phallodrilus (Oligochaeta, Tubificidae) from caves of northern Spain and southwestern France by P. Rodriguez & N. Giani VII IX 1 7 17 35 47 57 Part Two: Anatomy, Ultrastructure and Physiology 7. Neurobehavioral specializations for respiratory movements and rapid escape from predators in posterior segments of the tubificid Branchiura sowerbyi by C. D. Drewes & M. J. Zoran 65 8. Different models of tubificid spermatozeugmata by M. Ferraguti, G. Grassi & C. Erseus 73 9. Body wall organization in enchytraeids by R. Valvassori, M. de Eguileor, G. Lanzavecchia & G. Searl 83 10. Morphogenesis of body wall muscle fibers in Enchytraeus minutus by G. Lanzavecchia, M. de Eguileor, R. Valvassori, L. Di Lernia & C. Cambiaso 91 11. Histochemical analysis of oligochaete body wall by M. de Eguileor, S. Daniel, F. Cotelli, R. Valvassori & G. Lanzavecchia 99 12. T -system in muscles of microdriles by M. de Eguileor, R. Valvassori, G. Lanzavecchia & L. Di Lernia 109 13. Histophysiology of digestion and observations on the structure of the alimentary canal in the ectosymbiont Chaetogaster limnaei limnaei Baer, 1827 (Annelida: Oligochaeta) by S. R. Gelder 115 VI Part Three: Life Histories and Population Dynamics 14. Population analysis in mass cultures of Tubifex tubifex by C. Bonacina, G. Bonomi & C