The results of the analysis of 391 events of K- absorption at rest in a large emulsion stack exposed to the Berkeley Bevatron are reported. Scanning « along the track » was used, in order to obtain unbiassed frequencies for the various types of particles. A detailed discussion of the identification of charged hyperons is presented. The findings of previous workers on the features of the observed Σ±π∓ pairs, and their respective rates of observation, are confirmed. Three absorptions on free protons were observed. Several examples of fast Σ-hyperons unaccompanied by charged π’s provide direct evidence for two-nucleon absorptions: they account for ~2.5% of the total number of events. Direct production of Λ0-hyperons is inferred from the observation of fast π-mesons; in addition, hyperfragments associated with 3% of the, events indicate production of Λ0’s either directly or via decay or interaction of Σ’s. Among the pions whose sign was recognized (40% of the total), the negative ones were found to be more frequent than the positive by a factor of about 3. Evidence for the nuclear reabsorption of hyperons and pions is provided by the study of the visible energy release associated with the absorptions. Some 60% of the events do not contain charged unstable particles: a fair number (~17%) of these events are accompanied by protons of kinetic energy greater than 60 MeV, a fact which suggests the intervention of two-nucleon reactions.