INTRODUCTION. 103 



popular, but of some permanent value and of some 

 scientific authority. We deem it incumbent to 

 state the reasons that have guided us in refraining, 

 for the present, from including in our list all the 

 birds supposed to inhabit Senegal; and as none of 

 the vulture family have yet reached us from that 

 country, we at once proceed to the 



FALCONID^; OR FALCON FAMILY, 



confining our attention to those species only of which 

 specimens are now before us. They all belong to 

 the two most typical or perfect divisions of the 

 family, namely, the noble falcons (Falconince)^ and 

 the hawks ( Accipitrmce). The first we shall notice 

 is one of the most rare and interesting birds in the 

 whole collection, and which appears to be the type of 

 a distinct sub-genus of true falcons ; and we there- 

 fore characterise it as the 



