(partial) Introduction. Sources of information. Ways and means. Precambrian terrains. Caledonian terrains with Caledonian metamorphism. Caledonian terrains without Caledonian metamorphism. Hercynian terrains. Alpine terrains (Mesozoic and Tertiary districts). Excursions to Tertiary volcanoes. Geology of some transport routes. Appendices: Stratigraphical grouping of excursions. Centres in alphabetical order with references to excursions from each centre. Routes in alphabetical order, with references to geological descriptions. Index.