AbstractFollowing introductory notes on the historical aspect of the subject, this review of Irish Carboniferous Limestone and associated beds discusses the distribution of the principal lithological types in Ireland. The zonal stratigraphy is then reviewed throughout the island, opportunity being taken to incorporate certain unpublished results of recent work. Then follows a résumé of the history of the period from the palaeogeographical point of view. Detailed bibliographies (a) by counties, (b) of more general papers, are prefixed to the pape