The Biology of the Turbellaria : Proceedings of the Third International Symposium Held in Diepenbeek, Belgium

Proceedings of the Third International Symposium Held in Diepenbeek, Belgium, August 11-15, 1980 Front Matter....Pages I-XIV 50 years of turbellarian research A brief biography of Tor G. Karling ....Pages 1-5 The phyletic status of the Paludicola....Pages 7-12 The geographical and bathymetrical distribution of the Fecampiidae (Turbellaria, Rhabdocoela)....Pages 13-16 The taxonomy, zoogeography and biology of Bipalium kewense Moseley, 1878 (Tricladida, Terricola)....Pages 17-17 A new species of freshwater turbellarian from Africa, predatory on mosquitoes: Mesostoma zariae n. sp. (Typhloplanoida)....Pages 19-22 Paravortex karlingi sp. nov. from Cerastoderma edule L., in Britain....Pages 23-30 Karyological observations on Polyclads....Pages 31-44 The karyotypes of Dugesia species from Spain (Turbellaria, Tricladida)....Pages 45-52 Karyological and taxonomic studies of Dugesia japonica Ichikawa et Kawakatsu in the Far East....Pages 53-68 Studies on the speciation of Japanese freshwater planarian Polycelis auriculata based on the analysis of its karyotypes and constitutive proteins....Pages 69-77 Studies on the speciation of the European freshwater planarians Polycelis nigra and Polycelis tenuis based on the analysis of enzyme variation by means of iso-electric focusing....Pages 79-86 The ecology of the Turbellaria with special reference to the freshwater triclads....Pages 87-90 A comparative study of the food niches of lake-dwelling triclads and leeches....Pages 91-102 Oxygen availability, redox and the distribution of some Turbellaria Schizorhynchidae and other forms....Pages 103-112 Sand dwelling Turbellaria from the Netherlands Delta area....Pages 113-127 Notes on the biology of some psammophile Turbellaria of the Black Sea....Pages 129-130 On some commensal Turbellaria of the Canadian East Coast....Pages 131-137 New England Coelogynoporidae....Pages 139-145 Physiological adaptations to entosymbiosis in three species of graffillid rhabdocoels....Pages 147-153 The diet of three species of umagillid neorhabdocoel turbellarians inhabiting the intestine of echinoids....Pages 155-162 Reproductive biology of Dugesia sanchezi, a fresh-water planarian from Chile....Pages 163-165 Contrasting power of the factors for fission and sexuality in a polyploid planarian....Pages 167-169 The embryological development of Turbellaria Kalyptorhynchia (Rhabdocoela)....Pages 170-170 The problem of cell totipotency, dedifferentiation and transdifferentiation in Turbellaria....Pages 171-179 Quantitative analysis of cell types during growth, degrowth and regeneration in the planarians Dugesia mediterranea and Dugesia tigrina....Pages 181-194 Relationship between variations of cAMP, neuromediators and the stimulation of nucleic acid synthesis during planarian (Polycelis tenuis) regeneration....Pages 195-201 Cell activation during regeneration of planarians....Pages 203-207 Adenylate cyclase in regenerating tissues of the planarian Dugesia lugubris (O. Schmidt)....Pages 209-212 Morphology of the Turbellaria at the ultrastructural level....Pages 213-229 Development of cilia in embryos of the turbellarian Macrostomum....Pages 231-239 The system of epidermal ciliary rootlets in Turbellaria....Pages 240-240 Ultrastructure of the epidermis of adult and embryonic Paravortex species (Turbellaria, Eulecithophora)....Pages 241-252 Ultrastructural observations on paracnids. I: Coelogynopora axi Sopott (Turbellaria, Proseriata)....Pages 253-257 Fine-structural observations on the central parenchyma in Convoluta sp.....Pages 259-265 The ultrastructure of the eyes in larval and adult polyclads (Turbellaria)....Pages 267-275 Ultrastructure of the eye of Urastoma cyprinae (Turbellaria, Alloeocoela)....Pages 276-276 Observations on the ultrastructure of the copulatory organ of Archilopsis unipunctata (Fabricius, 1826) (Proseriata, Monocelididae)....Pages 277-285 Fine structure of the giant aflagellate spermatozoon in Pseudostomum quadrioculatum (Leuckart) (Platyhelminthes, Prolecithophora)....Pages 287-300 Back Matter....Pages 301-301