OPHTHALMOSCOPY OF THE FUNDUS IN LIVING BIRDS 



43 



Fig. 54. 

 White-bellied Sea Eagle (Haliaetus leucog aster) . 



Fig. 57. 

 Burrowing Owl (Speotyto cunicularia) . 



Fig. 55. 

 Common Kestrel (Tinnuneulus alaudarius). 



Fig. 58. 

 Tawny Owl (Syrnium alvco). 



Fig. 56. 

 American Bald Eagle (Halia'itTis leucocephalus) . 



Fig. 59. 

 British Screech-Owl (Strixflammea). 



Diagrams of the Pecten as seen by the Ophthalmoscope in Various Species of Birds. 



