Neptune After Voyager. The origin of Neptune, W. M. Kaula & W. I. New;an. Hydrocarbons and eddy mixing in Neptune's atmosphere, S. K. Atreya. Cloud motions on Neptune from Voyager 2 images, S. S. Limaye et al. Neptune's radio emissions, Y. Leblanc & H. P. Lad;eiter. Plasma observations near Neptune: results from Voyager 2, M. Zhang et al. Plasma wave observations at Neptune, D. A. Gurnett et al. Particles and fields measurements at Neptune with Voyager 2, S. M. Krimigis. Energetic particle signatures of satellites and rings in Neptune's magnetosphere, R. S. Selesnick & E. C. Sto;e. Dynamical models of the arcs in Neptune's 63K ring ( 1989N1R ), B. Sicardy & J. J. Lis;auer. Volatile processes in Triton's atmosphere and surface, J. I. Lunine. A model of Triton's atmosphere and ionosphere, E. Lellouch et al. Geology of Triton and some comparative-planetological implications, A. T. Basilevsky et al . Triton's eruptions analogous to comet Halley's? M. K. Wallis & N. C. Wic;ramasinghe. Comparative Studies of Planetary Rings. Moonlets in Saturn's rings, F. Spahn et al. Comparison of density waves in the rings of Saturn and Uranus, P. A. Yanamandra-Fisher. Planetary Exploration from Earth Orbit. High-resolution imaging of solar system objects with space telescopes and ground-based telescopes, D. Schertl & G. Weigel;. Planetary investigation by polarimeter, A. Dollfus. An approach for the search of extra-solar system planets taking advantage of the simultaneous wide spectral range and high resolution of a future planetary observatory in Earth Orbit, P. Bruston. Infrared spectra of gaseous organics of planetological interest: implications for ISO capabilities, F. Raulin et al. SIRTF: capabilities for planetary science, D. P. Cruikshank et al. Author index.