204 FALCONIDJS. 



tips of the feathers; thighs, under wing-, and tail-coverts clear 

 creamy buff; quills creamy buff at base, shading into rufous and 

 brown at the tips of the feathers ; all the quills barred with blackish 

 brown, showing more plainly underneath, the secondaries entirely 

 brown, barred only on the inner web ; tail alternately barred with 

 buffy white and blackish brown, the bars of the latter colour being 

 five 'in number ; all the outer feathers, especially the ones having the 

 fulvous bars, more or less shaded with ashy brown. 



Hah. From S.E. Brazil, throughout Amazonia, Guiana, and Co- 

 lumbia, into Panama. 



a. Juv. sk. S. America. 



b. <S ad. sk. Bahia. Sudbury Museum. 



c. ? juv. sk. Bahia. Dr. Wucherer [C.]. 



d. S ad. sk. North side of River Amazon. A. R. Wallace, Esq. [C.J. 



e. 9 juv. sk. Caracas. Mr. Dyson [C.]. 



/. Ad. sk. Demarara. R. B. Sharpe, Esq. [P.]. 



y. c? ad. St. South America. Dr. Lidth de Jeude. 



h. S juv. St. South America. Dr. Lidth de Jeude. 



i. Skeleton. Zoological Society, 



2. Asturina plagiata. 



Buteo plagiatus, Licht. Nomencl. p. 3 (1854). 



Asturina nitida {nee Lath.'), Cass, in Baird, B. N. Am. p. 35 (18G0) ; 



Cooper, B. Calif, ed. Baird, p. 48G (1870). 

 Asturina plagiata, Schl. Mm. P.-B. Asturinaj, p. 1 (1862) ; Scl. ^ 



Salv. P. Z. S. 1869, p. 131, et Ex. Orn. p. 179, pi. xc. (1869); 



Fimch, Ahhandl. Ver. Bremen, 1870, p. 325 ; Corns, Key N. Am. B. 



p. 218 (1870) ; Scl. <^ Salv. Nomencl. p. 118 (1873). 

 Astur plagiatus, Gray, Hand-l. B. i. p. 30 (1869). 



Adult. Above clear ashy grey, not crossed with whitish bars, the 

 head and neck a little lighter, with rather distinct dusky shaft-stripes, 

 the lores whitish ; primaries blackish, externally shaded with ashy 

 grey, the secondaries more decidedly ashy grey like the back, tipped 

 with white ; all the quills indistinctly barred with blackish, a little 

 plainer on the under surface of the wing, which is for the most part 

 white ; lower upper tail-coverts white for their apical half, the outer 

 ones also nearly all white, forming a bar across the base of the tail ; 

 tail blackish, tipped with white, and crossed with a distinct band of 

 whitish across the middle of the tail, with remains of a lower one 

 visible near the base of the tail ; chin whitish, with narrow dusky 

 shaft-lines ; chest ashy grey, with dusky shaft-Hnes, varied with 

 more or less distinct bars of white, the lower breast, abdomen, and 

 thighs banded with white and dull ashy grey, narrower on the 

 latter ; under tail-coverts white ; under wing-coverts white, with a 

 few cross markings of ashy grey ; cere and _ feet yellow. Total 

 length 17-5 inches, culmen 1-45, wing 11-1, tail 7-3, tarsus 2-85. 



Young. Above brown, the feathers edged with pale rufous, and 

 mottled with white at the base and on the sides of the dorsal 

 feathers ; crown and sides of the face and neck whitish, broadly 

 mottled and streaked with dark brown ; quills dark brown, the pri- 



