PREFACE. 
THE following Report contains a summary of investigations of a 
Committee reappointed by the British Association for the 
Advancement of Science, at Aberdeen, in 1885, to consist of 
Professor Newton, Mr J. A. Harvie-Brown, Mr John Cordeaux, 
Mr W. Eagle Clarke, Mr R. M. Barrington, and Mr A. G. More, 
for the purpose of obtaining (with the consent of the Master and 
Elder Brethren of the Trinity House, the Commissioners of 
Northern Lights, and the Commissioners of Irish Lights) 
observations on the Migrations of Birds at Lighthouses and 
Lightships, and of reporting on the same at Birmingham in 
1886. Mr Cordeaux to be the Secretary. 
The returns relating to Scotland have been arranged by 
Mr J. A. Harvie-Brown; for the East Coast of England, by 
Mr Cordeaux; for the West Coast of England, by Mr W. 
Eagle Clarke; and those for the Coasts of Ireland, by Mr R. 
M. Barrington and Mr A. G. More. 
