Aquatic Oligochaeta

1. Front Matter

   Pages I-XIV

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2. Howard R. Baker (1955–1983) in memoriam

   1. Howard R. Baker (1955–1983) in memoriam

      • Ralph O. Brinkhurst

      Pages 1-2

3. Taxonomy and Evolution

   1. A phenetic and cladistic study of spermatozoal ultrastructure in the Oligochaeta (Annelida)

      • B. G. M. Jamieson

      Pages 3-13

   2. Two atavistic characters of some Lumbriculidae and their importance for the classification of Oligochaeta

      • Sergěj Hrabě

      Pages 15-17

   3. Phylogenetic and taxonomic problems in freshwater Oligochaeta with special emphasis on chitinous structures in Tubificinae

      • Michael Dzwillo

      Pages 19-23

   4. The position of the Haplotaxidae in the evolution of oligochaete annelids

      • R. O. Brinkhurst

      Pages 25-36

   5. Aspects of the phylogeny of the marine Tubificidae

      • Christer Erséus

      Pages 37-44

   6. Specific criteria in Grania (Oligochaeta, Enchytraeidae)

      • Kathryn A. Coates

      Pages 45-50

   7. Capilloventer atlanticus gen. et sp.n., a member of a new family of marine Oligochaeta from Brazil

      • Walter J. Harman, Michael S. Loden

      Pages 51-54

   8. A method of identifying immature specimens of marine Enchytraeidae (Oligochaeta) by vital staining of epidermal glands

      • K.-J. Kossmagk-Stephan

      Pages 55-58

4. Cytology and Physiology

   1. Cytological aspects of oligochaete spermiogenesis

      • Marco Ferraguti

      Pages 59-64

   2. Life-cycle and karyology of Branchiura sowerbyi Beddard (Oligochaeta, Tubificidae)

      • Sandra Casellato

      Pages 65-69

   3. Diet and histophysiology of the alimentary canal of Lumbricillus lineatus (Oligochaeta, Enchytraeidae)

      • Stuart R. Gelder

      Pages 71-81

   4. The gutless oligochaete Phallodrilus leukodermatus Giere, a tubificid of structural, ecological and physiological relevance

      • O. Giere, H. Felbeck, R. Dawson, G. Liebezeit

      Pages 83-89

5. Life Cycle, Production and Population Dynamics

   1. Asexual propagation and reproductive strategies in aquatic Oligochaeta

      • Bent Christensen

      Pages 91-95

   2. Life cycles and reproductive adaptations of marine Oligochaeta from European boreal shores

      • Olaf Pfannkuche

      Pages 96-96

   3. Parthenogenesis in Tubificidae

      • Tamara L. Poddubnaya

      Pages 97-99

   4. Potential age of aquatic Oligochaeta

      • Tarmo Timm

      Pages 101-104

   5. Growth of Stylaria lacustris (L.) (Oligochaeta, Naididae)

      • N. P. Finogenova

      Pages 105-107

   6. The biology of Psammoryctides barbatus (Grube) in English chalk streams

      • M. Ladle, G. J. Bird

      Pages 109-112

At the First International Symposium on Aquatic Oligochaete Biology in Sidney, B. C. , the suggestion was made to hold the second in Pallanza, on Lake Maggiore, at the C. N. R. -Istituto Italiano di Idrobiologia. At the same time it was decided that there should be a symposium every third year. The organization of the symposium was made considerably easier by the Senior Editor's having been in personal contact with several Russian colleagues (courtesy of a kind invitation from the U. S. S. R. Academy of Sciences), the 'Hamburg Group' and the Junior Editor. Correspondence with various students of Oligochaeta also furnished many useful suggestions. The Second International Symposium on Aquatic Oligochaete Biology was therefore held in Pallanza in late September 1982 and was attended by 53 scientists from 16 countries in Europe, North America, Asia and Australia. No review papers were formally invited as this had already been done at the first symposium: all the papers were accordingly allotted the same time for oral presentation. These proceedings contain all papers Hrabe and Slepukhina, which were given in absentia, as it presented at the symposium, including those by was impossible for the authors to join the group. The main topics were taxonomy and evolution of Oligo chaeta, life-cyle and population studies, the role of Oligo chaeta in assessing water pollution, physiolog­ ical studies, community and distribution studies. Special taxonomic workshops took place in the evenings.

• Eutrophication
• Fauna
• benthic
• biocoenosis
• ecology
• water quality

• C.N.R.-Istituto Italiano di Idrobiologia, Pallanza NO, Italy

  Giuliano Bonomi

• Department of Zoology, University of Gothenburg, Göteborg, Sweden

  Christer Erséus

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