PREFACE.

The following Report contains a summary of investigations of the Committee re-appointed by the British Association for the Advancement of Science, at Southport, in 1883, 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 Migration of Birds at Lighthouses and Lightships, and of reporting on the same at Montreal, Canada, in 1884. 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; and those for the Coasts of Ireland, by Mr. R. M. Barrington and Mr. A. G. More. No return has been received by the Committee from the West Coast of England and the Isle of Man.