Part 1 Heat and mass transport in magmatic systems: a compaction model for melt transport in the earth's asthenosphere - The basic model, applications, A.C. Fowler; hot spots, swells and mantle plumes, P. Olson; magma waves and diapiric dynamics, J.A. Whitehead; an experimental study of melt migration in an olivine-melt system, G.N. Riles, Jr. and D.L. Kohlstedt; solidification and melting along dykes by the laminar flow of basaltic magma, P.M. Bruce and H.E. Huppert; on the role of laminar and turbulent flow in buoyancy driven magma fractgures, D.L. Turcotte; computer simulations of explosive volcanic eruptions, K.H. Wohletz and G.A. Valentine; the in-situ thermal transport properties and the thermal structure of Mount Saint Helens eruptive units. M.P. Ryan et al. Part 2 Transport structure, mechanics and dynamics of magmatic systems: melt extraction from mantle peridotites: hydrofracturing and porous flow, with consequences for oceanic ridge activity, A. Nicolas; on the physical nature of the Icelandic magma transport system, M.P. Ryan; dynamics of Drafla Caldera North Iceland - 1975-1985, J.A. Ewart et al; magma generation in the upper mantle inferred from seismic measurements in peridotite at high pressure and temperature, H. Sato and I.S. Sacks; differences in magma storage in different volcanic environments as revealed by seismic tomography - Silicic volcanic centers and subduction-related volcanoes, H.M. Iyer; geophysical and observational constraints for ascent rates of dacitic magma at Mount Saint Helens, E.T. Endo et al; pressure sources and induced ground deformation associated with explosive eruptions at an andesitic volcano - Sakurajima Volcano, Japan, K. Ishihara; high-level magma transport at Mount Etna volcano, as deduced from ground deformation measurements, J.B. Murray; changing styles of effusive eruption of Mount Etna since 1600 A D, J.W. Hughes et al.