Bird Migration in Great Britain and Ireland: Report of the Committee, Consisting of Prof. Newton (Chairman), Mr. John Cordeaux (Secretary), Mr. J.A. Harvie-Brown, Mr. R.M. Barrington, Mr. W. Eagle Clarke, & Rev. E.P. Knubley, Appointed for the Purpose of Making a Digest of the Observations on the Migration of Birds at Lighthouses and Lightvessels, 1880-87