vili INTRODUCTION. 
old friend Dr. R. Bowdler Sharpe, who completed the first volume in 
1874. The fifth volume was written by the late Mr. Seebohm and the 
eighteenth by the late Mr. Hargitt—two names which can never be 
forgotten by ornithologists. In the other volumes, Mr. P. L. Sclater, 
Mr. Ogilvie Grant, Count Salvadori, Mr. Howard Saunders, and Mr. Osbert 
Salvin have all taken part, and have my best thanks for the valuable 
assistance they have rendered me in the present undertaking. 
With regard to friends abroad, I cannot forget the kindness shown 
to me, in my earlier collecting days, by Professor Barboza du Bocage 
and Dr. Hartlaub, and the trouble Dr. Cabanis and Dr. Reichenow took 
in assisting me when I visited the Natural History Museum in Berlin, 
specially to study the East African birds collected by the great German 
travellers Dr. Fischer and Dr. Bohm. 
To M. Oustalet my thanks are due for his amiability to me when 
I visited the Museum of the Jardin des Plantes in Paris, to examine many 
of the types of the old French naturalists. 
G. E. SHELLEY. 
Feb. 2, 1896. 
