62 FALCONID^. 



8, Circus inaculosus. 



Alilargo, Azara, Apunt. p. 136 (1802) ; Hartl. Ind. Azara, p. 3 



(1847). 

 Aquila maculosa, Vieill. Ois. Am. Sept. pi. 3 bis (1807). 

 Circus macropterus, Vieill. N. Diet. iv. p. 458 (1816) ; Gray, Gen. 



B. i. p. 32 (1845) ; Bp. Consp. i. p. 34 (1850) ; Schl. Mus. P.-B. 



Circi, p. 8 (1862) ; Leot. Ois. Trinid. p. 49 (1866) ; Pelz. Oni. 



Bras. pp. 8, 399 (1871) ; Scl. Sf Salv. Komencl. Av. Neotr. p. 118 



(1873). 

 Cii-cus albicoUis, Vieill. N. Diet. d^Hist. Nat. iv. p. 456 (1816). 

 Circus leucophrys, Vieill. N. Diet. iv. p. 464 (1816). 

 Morphuus maculosus, Cuv. Regne An. i. p. 319 (1817). 

 Salvador Falcon, Lath. Gen. Hist. i. p. 276 (1821). 

 Falco palustris, Ternm. PI. Col. i. pi. 22 (1824) ; Max. Beitr. i. p. 224 



(18.30). 

 Circus palustris, Less. Man. d'Orn. i. p. 105 (1828). 

 Circus superciliosus, Less. Traite, p. 87, pi. 3. tig. 1 (1831) ; Burm. 



Th. Bras. ii. p. 110 (1856). 

 Buteo macropterus, D'Orb.Voi/. Am. Mer. Zool. p. 112 (1835-41). 

 Harpyia maculosa, Sm. Classif. B. ii. p. 208 (1837). 

 Circus megaspilus, Gould, P. Z. S. 1837, p. 10 ; Dariv. Voy. Beagle, 



Birds, p. 29 (1841) ; Gra%j, Gen. B. i. p. 32, pi. 11 (1845) ; Strickl. 



Orn. Sgn. p. 156 (1855). 

 Spizocircus macropterus, Kaup, Mus. Senckenb. iii. p. 258 (1845). 

 Circus maculosa, Strickl. Orn. Syn. p. 155 (1855). 



Young. Above brown, the feathers tipped with tawny rufous, 

 deeper and more distinct on the crown; nape varied with buff; 

 forehead, fore part of cheeks, and throat whitish ; ear-coverts dark 

 brown ; facial ruff fulvous, slightly streaked with dark brown ; 

 primary coverts brown, like the rest of the wing-coverts, and tipped 

 with tawny in the same manner ; quills ashy grey, barred vrith 

 blackish brown, all the feathers dark brown towards the tips, which 

 are narrowly margined with fulvous, inner secondaries uniform with 

 back ; upper tail-coverts wliite, barred with brown or rufous brown ; 

 tail ashy grey, with four black bands ; under surface of body dark 

 brown, the feathers narrowly margined with fulvous, producing a 

 streaked appearance ; the thighs and under taU-coverts deep chest- 

 nut, the latter spotted with buff. 



Adult. Above black, with a slaty blue gloss ; a narrow frontal 

 band, extending backwards and forming an eyebrow, white, as also 

 the fore part of cheeks ; rest of sides of face black like head, the 

 facial ruff slightly spotted with white ; greater wing-coverts, primary 

 coverts, and quills bluish grey, banded with blackish brown, the 

 primaries sepia-brown towards the tips, with bands of darker brown ; 

 inner secondaries blackish, like back ; the under surface of the wing 

 ashy grey ; the inner web of the primaries tinged with rufous near 

 the base ; lower back and rump uniform blackish ; the upper tail- 

 coverts white, with more or less distinct remains of rufous-brown 

 cross bars ; tail ashy grey, tipped with whitish, and crossed with 

 six bars of black, the subterminal one broadest ; the inner webs of 

 the feathers white, the black bars on the outer rectrices washed more 

 or less distinctly with rufous ; chin whitish ; throat and fore neck 



