66 FALCONID^. 



throat, Bides of neck, and breast dull ashy grey, the latter with a 

 slight shade of ashy brown on the lower i)art ; rest of under surface 

 ■white with a few very small dart-shaped rufous specks ; under 

 wing-coverts white, the inner ones with narrow longitudinal shaft- 

 lines ; primaries dark brown, externally shaded with ashy grey, the 

 secondaries entirely ashy grey with a broad subterminal bar before 

 the tip, which is narrowly white ; inner lining of wing white ; tail 

 dull ashy grey, externally shaded with brownish, the central feathers 

 uniform, the outer ones with five or six blackish bars ; bill horn- 

 blue ; feet yellow ; iris yellow. Total length 19 inches, culmen 1-2, 

 wing 14, tail 9, tarsus 3. 



Adidt female. Above brown, somewhat mottled on scapulars and 

 wing-coverts with partially concealed spots of tawny buff, with 

 which the latter are also margined ; head streaked with rufous, the 

 hind neck with white ; lores and feathers under the eye whitish ; 

 the cheeks and ear-coverts dark brown very slightly streaked with 

 whitish ; facial ruff buffy white, streaked with dark brown ; quills 

 brown slightly tipped with whitish, barred with dark brown, show- 

 ing more plainly underneath, where the inner web is white, pri- 

 maries externally shaded with ashy grey ; upper tail-coverts white 

 with a few streaks of rufous on the outermost : tail ashy grey with 

 five bars of dark brown, the interspaces inclining more or less to 

 rufous or rufous white on the outer feathers ; under surface of body 

 buffy white with broad streaks of brown on the breast, narrower 

 and more tinged with tawny rufous on lower breast, thighs, and 

 abdomen ; under tail-coverts with a few diamond-shaped spots of 

 pale rufous ; under wing-coverts coloured and streaked like the 

 breast. Total length 20 inches, wing 15, tail 10-5, tarsus 3-5. 



Hab. The whole of N. America below the Tropic of Cancer to 

 Panama. 



«. 2 ^^- St. Repulse Bay. John Rae, Esq. [P.]. 



b. <S iuv. sk. N. America. Dr. Ridgeway [P.]. 



c. 2 juv. sk. N. America. E. Doubleday, Esq. [P.]. 



d. e. cJ ad. sk. British Columbia. J. K. Lord, Esq. [C.J. 

 /, ff, h, i. Juv. sk. British Columbia. J. K. Lord, Esq. [G.l. 

 k, I. Juv. sk. Vancouver Island. J. K. Lord, Esq. [C.]. 

 m. Juv. sk. Rio Sacramento, Cal. G. Barclay, Esq. [P.]. 



3. Circus cinereus. 



Cenicieuto, Azara, Apunt. i. p. 145 (1802) ; Hartl. Ind. Azara, p. 3 

 (1847). 



Circus cinereus, Vieill. N. Did. iv. p. 454 (1816) ; D'Orb. Voy. Am 

 Mir. Zuol. p. 110 (18.35) ; Darw. Voij. Beagle, Birds, p. 30 (1841) 

 Gray, Gen. B. i. p. 32 (1845); Strickl. Orn. Sijn. p. 156 (1855) 

 Burm. Th. Bras. ii. p. 117 (1856) ; id. La PL JReis. ii. p. 439 (1861) 

 Abbutt, Ibis, 1861, p. 152; Sc/d. Mm. P.-B. Circi, p. 5 (1862) 

 Pclz. Orn. Bras. p. 399 (1871) ; Scl. <§■ Salv. Nomencl. Av. Neotr 

 p. 118 (1873). 



Circus campestris, Bonn, et Vieill. Enc. Meth. iii. p. 1213 (1823, ex 

 Azara). 



Falco histrionicus, Quoy et Gaim. Voy. Uranie, p. 93, pis. 15, 16 (1824). 



