Just Published. 2 vols, Square Demy 8vo. 18s net 



STUDIES IN BIRD-MIGRATION 



BY WILLIAM EAGLE CLARKE, F.R.S.E., F.L.S. 



Member of the British Association Committee on the Migration of Birds as 



Observed on the British and Irish Coasts, and Author of its Final 



Reports, 1896-1903, etc. 



With Numerous Illustrations and Maps 



TTHESE studies, except those devoted to ancient and modern 

 * views, are the result of personal investigation for many 

 years, during which Mr Eagle Clarke has enjoyed exceptional 

 opportunities of acquiring special knowledge of the subject. 



In 1884 the author was elected a member of the British 

 Association Committee on the Migration of Birds as observed on 

 the British Coasts ; and on the completion of that great enquiry, 

 he was requested to prepare the final reports on the results 

 obtained— a task which he accomplished in 1903. 



During the preparation of these reports (five in number), the 

 author became much impressed with the advantages which were 

 likely to accrue from placing a trained ornithologist at a number 

 of the most favourably situated observing-stations. If this could 

 be done, he believed that some of the difficulties which the 

 phenomena presented might be solved, and our knowledge 

 regarding the subject generally considerably advanced. 



This conviction led him to undertake, by the special per- 

 mission of the Elder Brethern of the Trinity House and the 

 Commissioners of Northern Lighthouses, a series of personal 

 investigations at various light-stations, each of which was 

 selected for a special purpose. In all, Mr Eagle Clarke has 

 resided no fewer than forty-seven weeks in these isolated and 

 remote observatories; the stations visited being the Eddystone 

 Lighthouse, the Kentish Knock Lightship (33 miles off the Essex 

 coast), the lighthouses on the Flannan Isles and Sule Skerry 

 (both lying far out in the Atlantic), and the lighthouse at Fair 

 Isle (the "British Heligoland"). He spent twelve weeks in the 

 autumns of 1910 and 1911 at St Kilda, for the purpose of carrying 

 the investigations to the outmost fringe of the British area ; and 

 has also visited the Island of Ushant— an important station— and 

 Alderney. A complete account of the birds of each of these 

 remote and interesting stations, with special reference to their 

 migrations, the times of their appearance, habits on passage, etc., 

 is afforded. 



Special attention has been given to the relations between 

 migrational and meteorological phenomena, and the author has 

 been fortunate enough to have had the study devoted to this 

 important subject revised by Dr Shaw, F.R.S., etc., the Director 

 of the Meteorological Office, to whom he is also indebted for a 

 series of specially prepared Weather Charts, which add much to 

 the value and interest of the chapter. 



OXJRNEY & JACKSON 



33 PATERNOSTER ROW, LONDON, E.C. 



Oliver and Boyd, Printers, Edinburgh. 



