FALCONIDiE. 
499 
2438. Melierax polyzonus. 
Falco (Nisus) polyzonus, Biipp. Neue Wirb. p. 36, pi. 15. 
Melierax polyzonus, Strickl. P. Z. S. 1850, p. 215; Ora. Syn. 
p. 143: Sharpe, Cat. B. i. p. 88. 
a £ Kordofan, 20 June (J. Petherick) 1848. 
SUBFAMILY.— FALCONING. 
Falco. 
Falco, Linnseus, Syst. Nat. i. p. 124 (1766) ( partim ). 
2439. Falco islandus. 
Falco islandus, Gm. Syst. Nat. i. p. 271 : Strickl. Orn. Syn. 
p. 77. 
Hierofalco islandus , Sharpe, Cat. B. i. p. 414. 
a Iceland ( J . G. Kinberg) 1843. 
A young bird referred in the 1 Ornithological Synonyms’ to F. 
gyrfalco . 
2440. Falco sacen 
Falco sacer, Gm. Syst. Nat. i. p t 273 ( nee Forster): Strickl 
Orn. Syn. p. 79. 
Hierofalco saker , Sharpe, Cat. B. i. p. 417. 
Falco hiarmicus, Strickl. P. Z. S. 1850, p. 215 ( partim , nee 
Temminck). 
a £ Kordofan, 16 March (J. Petherick ) 1848. 
2441. Falco peregrinus. 
Falco peregrinus, Tunst. Orn. Brit. p. 1 : Strickl Ora. Syn. 
p. 81. 
Falco communis, Sharpe, Cat. B. i. p. 376 (ex Gmelin). 
Falco anatum, Strickl. Orn. Syn. p. 83 (ex Bonap.). 
a Chili ( Capt . Brown ) 1842. — b S. India ( T [ G. Jerdon) 
1850. 
a is in the dark-coloured plumage described by Mr Sharpe under 
the name Falco cassini (Cat* B. i, p. 384)i 
32—2 
