FALCONID.E. 



and disappear almost entirely before the return of the annual 

 moult ; consequently the appearance and description of this 

 bird vary greatly at different seasons. 



The egg marked No. 4 belongs to this species, and is 

 figured from a specimen in the rich collection of W. Yarrell, 

 Esq. to whose unvarying kindness I have been indebted 

 for the loan of many valuable specimens both of birds and 

 eggs. 



