3 
Potyzorus, Vieill. (1816). Caracara, Cuv. (1817). Falco, Gm. 
Milvus, Ray. Circus, Briss. 
P. brasiliensis (Ray) Swains. Zool. Ill., pl. 2. P. vulgaris, Vierdl, 
F. cheriway, Jacq. 
Subfam. II. BUTEONINZ»=. 
CrAxIREX, Gould (1838). Polyborus, Gould. 
C. galapagoensis, Gould, Voy. of Beagle, Zool., Birds, pl. 2. 
Burrocauius, Less. (1831). Faleo, Daud. Polyborus, Veerll. 
Non vidi. 
B. buson, (Daud.) G. R. Gray. Levaill. Ois.d’ Afr., pl. 21. B. 
cathartoides, Less. 
Bureo, (Antiq.) Cuv. (1799-1800). Falco, LZ. 
B. vulgaris, Bechst., Pl. enl. 419. F. buteo, LZ. 
ArcHIBUTEO”, Brehm. (1828). Butaétes, Less. (1831). Buteo, 
Vieill. UHaliaétus, Burn. 
A. lagopus, (Gm.)G. R. Gray. Gould’s B. of Eur., pt. 18. pl. 15. 
B. buteo, Less. F. plumipes, Daud. A. planiceps et alticeps, 
Brehm. 
Subfam. III. AQUILINE. 
Aquita, (Antiq.) Briss.(1760). Falco, LZ. 
A. chrysaétos, (L.) Briss., Pl. enl. 410. F. fulvus, Z. F. melan- 
aetos, LZ. 
Limnaitus, Vigors (1831). Morphnus, Cuv. Falco, Temm. Nisaé- 
tus, Hodgs. (1836). 
L. Horsfieldii, Vig. F. limnaétus, Horsf. Zool. Res., pl. F. uni- 
color, Zemm., Pl. col. 134. 
Spizaitus, Vieill. (1816). Gypaétos, Daud. Morphnus, Cuv. 
Plumipeda, Flem. (1822). Harpyia, Spix (1824). Cymindis ? 
Steph. Falco, Shaw. 
S. ornatus, (Daud.) Vieill. Gal. des Ois., pl. 21. F. superbus et 
-coronatus, Shaw. H. braccata, Spix. 
Spizastour, Less. (1837). Falco, Tem. 
S. atricapillus, (Cuv.) Less., Pl. col. 79. 
Morpunus, Cuv. (1817). Faleo, Gm. Morphinus, Flem. (1822). 
Spizaétus, Vieill. Harpyia, (Cuv.) Swains. Urubitinga, Less. 
(1837). Aquila, Spix ? 
M. urubitinga, (Gm.) Cuv., Pl. col. 5. F. longipes, Zilig. ? 
A. picta, Spex ? 
@ To this subfamily perhaps belongs the genus Artos, Nitzsch (1840), 
but the type is not given. 
> See Isis for 1828; originally considered by me and others to have been 
first published in 1831, therefore placed after Lesson’s name in the former 
edition. 
BQ 
