Vol. II., Plate 3. 







1, Feathers of nestling Kestrel showing- down (a) at tips 

 down (b) at tips. 3, Under-down of feathered Kestrel. 

 5, abont a fortnight old. 



2, Down (c) of same, showing 

 i, Merlin a few days old, and 



[Face p. 120.1 



