5S FALCONID^. 



■white, with four blackish cross bauds changing to rufous on outer- 

 most feathers ; lores, eyebrow, and sides of face dull whitish, streaked 

 with dark brown ; facial ruff brown, strongly mottled with white ; 

 sides of neck and breast brown, tlie latter conspicuously oceUated 

 with white spots ; rest of uuder surface of body barred with orange- 

 tawny and white, the latter in the form of large spots on both webs. 

 Total length 20 inches, wing 14-25, tail 10, tarsus 3. 



Hah. South America to about 25° S. lat. on the west, and about 

 32° S. lat. on the east coast. 



4. Circus spilonotus. 



Cu'cus spilonotus, Kaup, Contr. Orn. 1850, p. 59 ; Strickl. Orn. Syti. 

 p. 157 (1855) ; Stomhoe, Ibis, 1863, p. 21.3, pi. v., 1865, p. 230, et 

 1870, p. 87; Grai/, Hmul-l. B. i. p. 36 (1869); Sivinh. P. Z. S. 1871, 

 p. 342 ; Taczan. J.f. O. 1872, p. 349, 



Adult male. Above blackish, the nape and hind neck streaked witli 

 white, the neck more broadly ; scapulars and wing-coverts tipped 

 and spotted with ashy white, the least wing-coverts along the edge 

 of the Aviug entirely white narrowly streaked with blackish ; upper 

 tail-coverts white, with remains of ashy-brown bars ; the feathers of 

 the lower rump blackish, spotted and barred on both webs with 

 white ; tail silvery ash-colour, whitish at the tips and on the inner 

 webs ; outer cubital coverts, primary coverts, and outer secondaries 

 silvery ashy tipped with white ; the innermost secondaries brown or 

 ashy grey barred with brown ; primaries blackish, more or less 

 washed with ashy grey, especially on the outer web ; the secondaries 

 white underneath, the primaries white at base of inner web ; sides 

 of face and ear-coverts blackish ; sides of neck and facial ruff blackish, 

 streaked with white ; under surface of body white, including the 

 under wing- and tail-coverts ; the throat and breast streaked lon- 

 gitudinally with black, the latter more narrowly ; legs rich chrome- 

 yeUow, ochreous on the tarsi. Total length 20 inches, culmen 1-6, 

 wing 15-5, tail 9-5, tarsus 3-8. 



Adult female. Above brown slightly shaded with ashy, the dorsal 

 feathers obsoletely margined with dull rufous ; the crown and hind 

 neck tawny buff, paler on the neck, all the feathers raesially streaked 

 with brown ; the scapulars and wing-coverts margined and barred 

 with tawny or fulvous, the least wing-coverts more conspicuously 

 margined with rufous ; quills brown, narrowly tipped with whitish, 

 externally shaded with ashy grey, the secondaries less distinctlj-, 



