Magnetospheric Particles and Fields 1975: Summary.- Phenomenology of the Earth’s Bow Shock System. A Summary Description of Experimental Results.- Examples of Plasma Flows within the Earth’s Magnetosphere.- Plasma in the Polar Cusp and Plasma Mantle.- Impulsive Ion Injection into the Polar Cusp.- The Plasma Mantle as the Origin of the Plasma Sheet.- Waves in the Vicinity of the Magnetopause.- Magnetotail Model.- Plasma Observations in the Magnetotail.- An Overview of Magnetospheric Dynamics.- Simultaneous Field Aligned Current and Charged Particle Measurements in the Cleft.- Anomalous Resistivity and Parallel Electric Fields.- Explorer 45 Observations of the Proton Ring Current.- Geomagnetically Trapped Alpha Particles.- The Structure and Stability of Radiation Belt Electrons as Controlled by Wave-Particle Interactions.- Substorm Generated Fluxes of Heavy Ions at the Geostationary Orbit.- Convective Cold Upper Hybrid Instabilities.- The Earth as a Radio Source.- A Study of Triggered Emissions.- ISIS-2 Satellite Imagery and Auroral Morphology.- Morphology and Dynamics of the Instantaneous Auroral Oval.- Comparison of Auroral Electrojets and the Visible Aurora.- Auroral X-ray Morphology.- Magnetosphere-Ionosphere Interactions Via Electric Currents and Fields.- The Role of Fluctuating Acceleration in Multiple Auroral Arcs.- Electric Fields and Energetic Particle Precipitation in an Auroral Arc.- Magnetic Fields in the Solar System.- The Jovian Magnetosphere and Magnetopause.- The Magnetic Field of Jupiter.- Index Of Subjects.