TABLE OF GENERA AND SUBGENERA. 



Page 



Leucopterms 8 



Buteogallus 9 



Spizigeranus 9 



Urubitinga 9 



Archibuteo 9 



Butaquila 10 



3. Aquilinae. 



Aquila 10 



TJroaetus 11 



Heteropus 11 



Pteroaetus 11 



Pseudaetus 11 



Hieraaetus 12 



Spizaetus 12 



Pternura 12 



Spizastur 12 



Lophaetus 13 



? 13 



Limnaetus 13 



Circaetus 14 



Harpyhali oetus 14 



Spilornis 14 



Pandion 15 



Polioaetus 15 



Poliornis 15 



Pernopsis 16 



Thrasaetus 16 



Morphnus 16 



Haliasetus 16 



Thallasoaetus 16 



Cuncuma 17 



Geranoaetus 17 



Helotarsus 17 



Haliastur 18 



4. Falconinae. 



Falco 



Hierofalco 18 



Falco 18 



Gennaia 19 



? 20 



Hypotriorchis 20 



Dissoclectes 21 



21 



