Terminology and nomenclature of the cytoskeletal elements associated with the flagellar/ciliary apparatus in protists.- Why do tubulin gene families lack diversity in flagellate/ciliate protists'.- Transmembrane signaling in cilia and flagella.- Development apparatus during the cell cycle in unicellular algae.- An update on fibrous flagellar roots in green algae.- Mechanisms of flagellar propulsion. A biologist's view of the relation between structure, motion and fluid mechanics.- High-speed video analysis of the flagellar beat and swimming patterns of algae: possible evolutionary trends in green algae.- Flagellar and cytoskeletal systems in amitochondrial flagellates: Archamoeba, Metamonada and Parabasala.- An ultrastructural comparison of the mitotic apparatus, feeding apparatus, flagellar apparatus and cytoskeleton in euglenoids and kinetoplastids.- The flagellar apparatus and cytoskeleton of the dinoflagellates. A comparative overview.- The implications of recent descriptions of kinetic structure to the systematics of the ciliated protists.- The cytoskeleton of chromophyte algae.- Vischeria stellata (Eustigmatophyceae): ultrastructure of the zoospores, with special reference to the flagellar apparatus.