NATURAL SCIENCES OF PHILADELPHIA. 95 



color, less distinct below. Total length 22.5 inches, culmen 1.75, 

 wing 15, tail 9, tarsus 3.50." (Sharpe, 1. c.) 



Young (from specimens in the United States National Mnseum): 

 Tail brownish-gray, with more or less of a hoary cast, usually 

 passing into grayish-white at the tip, and crossed by very numer- 

 ous (more than fifteen) narrow, rather indistinct, somewhat oblique, 

 bars of dusky becoming gradually obsolete basally, and very 

 oblique on the inner webs. Upper parts blackish-brown, varie- 

 gated with deep ochraceous, especially on the wing-coverts, sca- 

 pulars, and upper tail-coverts ; head streaked with the same ; 

 secondaries and primaries obscurely banded with dusky and 

 fading into paler at tips. Lower parts ochraceous, the jugulum, 

 breast, and sides longitudinally striped with blackish ; sides tinged 

 with rust} r ; tibiae and crissum transversely spotted, or barred, with 

 rufous ; a more thickly spotted belt across the abdomen and flanks. 

 Inner webs of primaries pure white anterior to their emargination, 

 and immaculate, or very faintly barred. Wing, 15.50-18.10 ; tail, 

 9.30-10.50 ; culmen, 1.00 ; tarsus, 3.25-3.55 ; middle toe, 1.50-1.90. 



Remarks. We are inclined to regard the plumage described 

 by Mr. Sharpe as the female in changing plumage, as being 

 in reality the adult female in full dress. A specimen in the 

 U. S. National Museum corresponds quite closely except that it 

 is still more rufous, and has the tail as in the young plumage 

 (described above) with the exception of a single feather of the new 

 moult. This specimen (No. 68,309, Nat. Mus., Chile?), which is 

 unmistakably in transition plumage, may be described as follows: 

 Tail dull gray, with a perceptible hoary wash, crossed by an indis- 

 tinct subterminal band (about .50 wide), and by very numerous 

 (more than fifteen) narrow bars of darker; these bars most distinct 

 on the inner webs, which are white to a greater or less distance 

 from their inner edge ; shafts pure white, except terminally ; remiges 

 dull slaty, with a hoary cast, paler (not white) at tips, and crossed 

 b}' numerous, distinct, narrow bands of blackish ; wing-coverts 

 more dusky, and more or less variegated with rusty. General color 

 of the plumage rusty chestnut, much broken by lighter (ochraceous) 

 and darker (brownish-black) spotting and barring the former 

 color mostly marginal or terminal, the latter central on the 

 feathers ; the chestnut is deepest and most uniform ou the back, 

 lesser wing-coverts, and abdomen ; the ochraceous prevails across 

 the breast, while on the scapulars the black transverse bars pre- 



