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33. Lophaetus, Kaup , 1847. Morphnus, Kaup, 1845, 
* nec Cuv. (Falco occipitalis, Daud.) 
34. Limnaetus, Vig. 1831. Nisaetos, Hodgs. 1836. Spizae- 
+ tus, Sw. 1837. Nisaetus,^ass. (Falco lymnaetus, Horsf.) 
*35. Morphnus, Cuv. 1817. Morphinus, Flem. 1822. (Falco 
guianensis, Daud.) 
36. Urubittnga, Less. 1837. Spizageranus, Kaup , 1844. 
Hypomorphnus, Cab. 1844. Aquila, Spisc, 1824. Hypo- 
morphinus, G. R. Gr. 1845. Rupornis, p. Kaup , 1847. 
Spizogeranus, Agass. (Falco urubitinga, Gm.) 
*37- Thrasaetus, G. R. Gr. 1837. Falco, 2 div. Gm. 1788. 
Harpia, Vieill. 1816. Harpyia, Cuv. 181 7, nec Ochsenh. 
1810. (Falco harpyia, Linn.) 
38. {Iarpyhalicetus, Lafr. 1842. Harpyhaliaetus, G.R.Gr. 
f 1845. (Harpyia coronata, Vieill.) 
,, a j 39. Circaetus, Vieill. 1816. Circaetos, Keys. Sf Bl. 1840. 
+ Circaeatus, Vig. 184£.2£(Falco gallicus, Gm.) 
40. Spilornis, G. R. Gr. 1840. Haematornis, Vig. 1831, nec 
Sw. 1824. Ophaetus, Jerd. 1844. Hypaetus, Geqffr . ? 
(Falco bacha, Daud.) 
1. Poliornis, Kaup , 1844. Butastur, 1844, et Bupernis, 
' A 184 ? Hodgs. Buteopernis, James . 184 ? Pernopsis, 
Dubus , 1850. Valeria, Boie, MSS. (Circus teesa, 
Frankl.) ^ 
*42. Pandion, Sav. 1809. Triorchis, Leach , 1816. Balbu- 
sardus, Flem. 1828. (Falco haliaetus, Linn.) 
1-^43. Polioaetus, Kaup , 1847. Ichthyiaetus, Lafr. 1839, nec 
* Kaup, 1829. Pontoaetus, G. R. Gr. 1845, nec Kaup. 
Icthyaetus, Bl. 1851. Ichthyaetus, Kaup, 1844. (Falco 
ichthyaetus, Horsf.) 
*44. HAuf^ETUS, Sav. 1809. Aquila, Vieill. i807, nec Mcehr. 
175g. Haiiaeatus, 1824, et Haliaeetus, 1825, Vig. Ha - 
liaetds, Keys, fy Bl. 1840. Haliaeetus, Thomp. 1838. 
Haliaetus, G. R. Gr. 1845. (Falco albicilla, Linn.) 
f45. Thallasoaetus, 1844, et Thallasaetus, 1845, et Thalas- 
saetus, 1847, et Thallosaetus, 18 ? Kaup. Thalasso- 
aetus, G. R. Gr. 1845. Thalassiaetus, Reichenb. 1850. 
(Falco pelagicus, Pall.) 
46. Cuncuma, Hodgs. 1837. Pontoaetus, 1844, et Pontaetus, 
1845, Kaup.f- Blagrus, Bl. 1849. (Falco Macei, Temm.) 
47. Geranoaetus, 1844, et Heteroaetus, 1845, Kaup. He- 
teraetus, Reichenb. 1850. Geranaetus, Agass. (Falco 
melanoleucus, Vieill.) 
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