73. SPIZIAPTERYX. 371 



with three bands of white not strictly contei'minous, and disappear- 

 ing on the centre feathers ; forehead and sides of face whiter than 

 the head, and narrowly streaked with black ; under surface of body 

 white, the flanks washed with grey, and, like the upper breast, 

 streaked with black shaft-stripes ; under wing-coverts white, slightly 

 mai-ked with greyish black ; cere, orbits, and feet yellow ; bill 

 leaden black, yellow at base. Total length 10-5 inches, culmen 0-8o, 

 wing 5-7, tail 52, tarsus 1-35. (Mus. WaJden.) 



Female. Similar to the male, but distinguished by its bright fer- 

 rugiaous head and mantle ; forehead, eyebrow, and sides of face 

 ashy white, with narrow linear black shaft-stripes. Total length 

 11-3 inches, wing 6'1, tail 5-2, tarsus 1*45. {Mus. Walden.) 



Hah. Vicinity of Tonghoo, Burmah. 



73. SPIZIAPTERYX. ^ 



Spiziapteryx, Kaup, P. Z. S. 1851, p. 4:3 S. circunicinctus. 



Heinihierax, Biom. Rei^.La Flata-St. ii. p. 4:'!7 (18()1) S. circumcinctus. 



Tarsus of Spiziapteryx circiimcincfv^. 

 Range. Confined to the Argentine Republic. 



1. Spiziapteryx circumcinctus. 



Ilai-pagus circumcinctus, Kaup, P. Z. S. 1851, p. 4:3. 



Spiziapteryx circuuicinctus, Kaup, P. Z. 8. 1851, p. 43 ; Pp. Pev. et 



May. de Zool. 1854, p. 637 ; Sd. 4'" Sah: Nomencl. p. 122 (1873). 

 Falco punctipeunis, Biirm. J. f. O. 1860, p. 242. 

 Hemihierax circumcinctus, Burnt. Reis. La Plata-St. ii. p. 4-37 (1861). 

 Falco circumcinctus, Hcl. Ibis, 1862, p. 23, pi. ii. 



Above ashy brown, the head darker and inclining to blackish 

 brown; rump and upper tail-coverts creamy white ; scapulars ashy 

 brown like the back, streaked with blackish brown ; wing- coverts 

 dark brown, with blackish streaks down the centre of each, with 

 two spots of white on each side : quills blackish, with large spots 

 of white on both webs ; tail black, the centre feathers tipped with 

 white, the others spotted on the outer and barred on the inner web 

 with white ; a distinct eyebrow and a loral streak white ; sides of 

 face blackish, varied with white, the hinder part of the cheeks 

 white, streaked with blackish ; throat dull white ; rest of under 



2c2 



