OF BIRDS. .3 



18. BUTEOGALLUS, Less. 1831. Ichthyoborus, Kaup, 1845. 



(Falco aequinoctialis, Gm.) 



19. TACHYTRIORCHIS, Kaup, 1844. (Falco pterocles, Temm.) 

 f20. GYPOICTINIA, Kaup, 1847- Gypsoictinia, G. R. Gr. 1849. 



Gypsictinia, Reichenb. 1850. Milvus, p. Kaup, 1851. 

 (Buteo melanostemon, Gould.) 



21. LEUCOPTERNIS, Kaup, 1847. Pseudastur, BL 1848. 



(Falco raelanops, Temm.) 



22. BUTAQUILA, et Hemiaetus, Hodgs. 1844. (Butaquila stro- 



phiata, Hodgs.) 



23. ARCHIBUTEO, Brehm. 1828. Triorchis, Kaup, 1829, nee 



Leach, 1816. Butaetes, Less. 1831. Buteo, Cuv. 1817. 

 Archibutes, ^4%. (Falco lagopus, Gm.) 



Subfam. III. AQUILINE, Sw. (G. of B. p. 13). 



*24. AQUILA, Ma>hr. 1752. Falco, Linn. 1735, et III 1811. 

 Ae'tos, Nitzsch, 1 840. Aetus, Agass. Aquilla, Nitzsch, 

 1839. (Falco chrysaetos, Linn.) 



25. HIERAAETUS, 1844, et Hieraetus, 1845, Iftmp. Aquila, 



Keys. # BJ. 1840. Hieroaetus, Pr. B. 1849. Jeraetus, 

 Kaup, 1851. Hieracaetus, Agass. (Falco pennatus, Gm.) 



26. PTEROAETUS, Kaup, 1844. Pteraetus, Reichenb. 1850. 



(Falco vulturirms, Daud.) 



27- HETEROPUS, 1842, et Neopus, 1844, Hodgs. Onichaaetus, 

 1844, et Onychaetus, 1845, Kaup. Ictinaetus, Jerd. 

 1844*. Onichoaetus, Pr. B. 1849. (Faico malayensis, 

 Reinw.) 



28. UROAETUS, 1844, et Uraetus, 1845, Kaup. (Vultur audax, 



Lath.) 



29. PSEUDAETUS, Hodgs. 1844. Tolmaetus, 1845, et Eutol- 



maetus, 1848, Bl. (Falco Bonellii, Temm.) 

 *30. SPIZAETUS, Vieill. 1816. Falco, Linn. 1766, nee 1735. 

 Falco 3 div. Gm. 1788. Plumipeda, Flem. 1822. Har- 

 pyia, Spix, 1824, nee Cuv. Aquila, Boie, 1826. Spiziaetus, 

 Kaup, 1851. Spizaetos, Hartl. 1853. (Falco ornatus, 

 Daud.) 



31. PTERNURA, KaMj?, 1845. Pterura, G. E. Gr. 1848. 



(Falco tyrannus, Pr. Max.) 



32. SPIZASTUR, Less. 1837. Spiziastur, Kaup, 1851, (Falco 



atricapillus, Cuv.) 



* Nee Ictinoaetus, Kaup, 1844. 



