PREFACE. 



The present Index embraces the Volumes ol the 

 Bulletin op the British Ornithologists' Club 

 published between 1906 (when the first General 

 Index appeared) and 1919, excluding the special 

 volumes on Migration. It has been compiled by 

 Mr. Thomas Wells of the Ornithological Department 

 of the British Museum (Natural History), and the • 

 Editor is much indebted to him for the care he has 

 exercised. 



The Editor would also like to record his thanks to 

 Mr. D. A. Bannerman for his supervision of much of 

 the work. 



D. SETH-SMITH. 



Zoological Society of London, N.W.8. 

 February 19!i0. 



