4: 
Tarasaétos, G. R. Gray (1837). Gypaétos, Daud. Harpia, 
Vieill. (1816). Harpyia*, Cuv. (1817). Faleo, Shaw. Vul- 
tur, ZL. 
T. harpyia, (L.) G. R. Gray. Less., Tr. Orn., pl. 10. F. impe- 
rialis, Shaw. F. destructor, Daud. 
HerrerotuEres, Vieill. (1825). Falco, £. Physeta, Vieill.? (1816). 
Deedalion, (Sav.) Vigors. Macagua, Less. (1831). Cachinna, 
Fem. (1822). Astur, Spizx. 
H. cachinnans, (L.) Vieill. Gal. des Ois., t.19. Spi, Av. Br., t. 3. a. 
Sritornis, G. R. Gray (1840). Heematornis®, Vigors (1831). 
Falco, Daud. Circaétus, Jerd. Hypaétos? Geoffr. 
S. bacha, (Daud.) G. R. Gray. Levaill. Ois. d’Afr., pl. 15. 
Crrcaktus, Vieill. (1816). Faleo, Gm. Pygargus, Briss. Pan- 
dion et Harpyia, Veeedd. Haliaétus, Cuv. Aquila, Meyer. 
C. gallicus, (Gm.) Véerll., Pl. enl. 413. F.brachydactylus, Temm. 
F. leucopsis, Bechst. 
Panpion, Sav. (1809). Falco, Z. Balbusardus, Ray. Aquila, 
Meyer. 
P. haliaétus, (L.) Cuv., Pl. enl. 414. P. fluviatilis, Sav. 
Icutuyiaétus, Lafr. (1839). Faleo, Horsf. Pandion, Horsf. 
I. bicolor, G. R. Gray. F. ichthyaétus, Horsf. Res. in Jav., pl. 
He.orarsus, Smith (April, 1830). Terathopius, Less. (Nov. 
1830). Falco, Daud. 
H. ecaudatus, (Daud.) G. R. Gray. Levaill. Ois. d Afr., pl.7. et 
8. H. typus, Smith. 
Haxtrairus, (Antig.) Sav. (1809). Aquila, Z7/. Spizaétus, Vieill. 
Cuncuma, Hodgs. (1836). Falco, Gm. Vultur, LZ. 
H. albicilla, (L.) Bote, Pl.enl.212. H. nisus, Sav. 
Haxiastour, Selby (1840). Falco, Z. Haliaétus, Cuv. Aquila, 
Briss. Milvus, Jerd. 
H. indus, (Bodd.) G. R. Gray. F. pondicerianus, Gm., Pl. enl. 
416. H. girrenera, Vieill. H. garuda, Less. 
Subfam. IV. FALCONINZE. 
Hreroratco, Cuv. (1817). Faleo, Z. Gyrfaleo, Ray. 
H. islandicus (Briss.) Cuv., Pl. enl. 462. Falco gerfalco, Z. 
Fatco, Z. Rhynchodon, Nitzsch (1840). 
F. peregrinus, Z., Pl. enl. 430. 
a Previously used by Illiger. 
> The reason why I have not adopted Vigors’s generic name is, that Mr. 
Swainson had previously proposed the same word for a divisional name in 
Turdide. This latter I have retained, thinking it correct to do so, and my 
reasons are given under Mr. Swainson’s group. 
a 
