BULLETIN 



BRITISH ORNITHOLOGISTS' CLUB. 



EDITED BY 



W. R. OGILVIE-GRANT. 



VOLUME XXX. 



REPORT ON THE IMMIGRATIONS OF SUMMER 



RESIDENTS IN THE SPRING OF 1911: 



ALSO NOTES ON THE MIGRATORY 



MOVEMENTS AND RECORDS RECEIVED FROM 



LIGHTHOUSES AND LIGHT-VESSELS 



DURING THE AUTUMN OF 1910. 



BY 



THE COMMITTEE APPOINTED BY THE BPJTTSH 

 ORNITHOLOGISTS' CLUB. 



LONDON: 

 WITHEEBY & CO., 326 HIGH HOLBORN. 



NOVEMBER 1912. 



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