150 



BIRD GALLERY. 



EXPLANATION OF PLATE XXV. 



Fi-r. 5. 



Left side view of tlie Skeleton of a Bird. Iceland Falcon (Hierofalco islandus). 



Fig. 6. 



Under surface of the Skull of a Bird showing the bones of the palate (2), nnd the 

 single occipital condj'le (1) for the articulation of the skull with the neck. 



Fig. () » 

 Sclerotic Ring of bony plates. 



Portions of three Ribs to show the position of the uncinate processes (1). 



