402 FALCONIDJi. 



Adult male. Above black, with a slaty grey tinge on the back and 

 secondaries, clearer on the rump and upper taU-covcrts ; quills 

 black, with a narrow whitish tip to the outer secondaries ; tail 

 black, narrowly tipped with whitish and with three or four indistinct 

 narrow bands of grey, inclining to white on the outer feathers ; sides 

 of the face entirely black, cheeks and ear-coverts not separated ; 

 throat and sides of the neck white, washed with nifous, especially 

 on the latter ; entire breast black, crossed with fine white bars, a 

 little broader on the flanks ; thighs, abdomen, and under tail-coverts 

 deep chestnut ; under wing-coverts black, barred with white : bill 

 deep bluish black, yellowish at base ; feet yellow. Total length 

 9 inches, culmen OS, wing 7-3, tail 4, tarsus 1-3. 



Adidt femaU. Similar to the male, but larger. Total length 12 

 inches, culmen 0-9.5, ^^-ing 8-9, tail 5-4, tarsus 1-5. 



Hab. From Mexico southwards to the Argentine Republic. Said 

 to occur in the extreme south of the United States. 



a. 



S ad. sk. South America. 



h. S ad. sk. Brazil. 



c. (S ad. sk. Brazil. Major-General Hardwicke [P.]. 



d. $ ad. sk. Tocantins River. A. R. Wallace, Esq. [C.]. 



e. 9 ad. sk. Pebas, E. Peru, J. La Mert, Esq. [C.]. 



Feb. 2, 1872. 



f. (S ad. St. British Guiana. Royal Geographical Society [P.]. 

 'ff. cJad.sk. Demerara. R.'B. Shai-pe, Esq. [P.]. 



A. 2 ad. St. Trinidad. 



». (5 ad. St. Bay of Panama. Capt. Kellett and Lieut. Wood [P.]. 



L $ ad. St. Bay of Panama. Capt. Kellett and Lieut. Wood [P.J. 



21. Falco attrantius. 



Orange-breasted Hobby, Lath. Gm. Syn. i. p. 1 

 Falco aurantius, Gm. S. N. i. p. 283 (1788, e.r 



105 (1781). 

 Lath.); Strickl. Orn. 

 Sim. p. 89 (1855). 

 Falco deiroleucus, Tf7nm. PI. Col. i. pi. 348 (1825) ; Gray, Gen. B. 

 i. p. 19 (1844) ; Schl. Mus. P.-B. Falcones, p. 24 (1862) ; Sol. (§- 

 Sdv. Nomencl. p. 121 (1873). ; 



Hypotriorchis aurantius, Gray, Hand-l. B. i. p. 21 (1869). 

 Hypotriorchis deiroleucus, Pelz. Orn. Bras. p. 397 (1871). 



Adidt. Above black ; the feathers of the lower back, rump, and 

 upper tail-coverts, as well as the scapulars and wing-coverts, conspi- 

 cuously bordered with clear slaty grey ; cheeks black, like the head ; 

 throat white ; entire chest, abdomen, thighs, and under tail-coverts 

 rich chestnut ; lower breast as well as the under wing-coverts 

 black, broadly tipped and largely spotted with rufous buff, the latter 

 as well as the axiUaries with conspicuous rounded buff-coloured 

 spots; quills black, secondaries slightly tipped with whitish, and 

 scantily barred with white on the inner web ; tail black, slightly 

 tipped and crossed with three bars of greyish white. Total length 

 12-5 inches, culmen 1-2, wing 9-45, tail 5, tarsus 1-55. 



Adidt female. Similar to the male, but larger. Total length 15 

 inches, wing 11, tarsus 1-9. 



