In 1909-11 Robert Lloyd Praeger brought a team of 100 scientists from all over Europe to map the flora, fauna, geology and archaeology of Clare Island, a small, exposed Atlantic island off the west coast. The gathering led to the publication of the path-breaking 'Clare Island Survey'. A century later the survey was repeated as the 'New Survey of Clare Island' (1992-2009) and both works were published extensively by the Royal Irish Academy. Volume 2 of this new survey of Clare Island examines the geology of the island. The survey traces the history of human activity on Clare Island after a...