1873.] 89 [Ridgway. 



Ch. Wing, 8.70-10.00; tail, 6.30-7.50; culmen, .75-80; tarsus, 

 2.35-2.50. Tail ashy, decidedly lighter than the back, and scarcely, 

 or not at all, tinged with rufous; crossed by 5-7 bands of black, 

 about equal to, or slightly narrower than, the grayish ones. Above, 

 ashy umber, the head more plumbeous; breast plumbeous-umber, 

 more or less variegated with white; other lower parts yellowish 

 white, barred, usually broadly, with brownish, varying in shade from 

 bright rufous to plumbeous-umber; tibise ochraceous, narrowly and 

 faintly barred with rusty. Rufous on the outer webs of the quills 

 sometimes wanting; when present, barred with dusky. Adult. 

 Breast transversely spotted with whitish. Young. Breast longitudi- 

 nally streaked with whitish. Hab. Mexico, from the Atlantic to the 

 Pacific, from Yucatan and Mirador to Mazatlan and Colima (numer- 

 ous specimens in Mus., S. I.) ; Rio Seco and Tehuantepec (Mus. Bos- 

 ton Soc). 



Specimens examined. Nat. Mus., 10; Philad. Acad., 1 ; Boston 

 Society, 2 ; Cab. G. N. Lawrence, 1. Total, 14. 



d. var. ruficauda Sclater and Salvin. 



Asturina magnirostris Scl., P. Z. S. 1856, 285; 1859, 368; 1864, 



178. — Scl. and Salv., Ibis, 1859, 217. — Lawr., Ann. N. Y. 



Lye. vn, 316 ; vm, 178. — Moore, P. Z. S. 1859, 52. 

 Asturina ruficauda Scl. and Salv., P. Z. S. 1869, 133; Ex. Orn. 



XI, 1869, pi. lxxxviii. 

 Ch. Wing, 8.70-10.00; tail, 6.50-7.50; culmen, .75-.80; tarsus, 

 2.35-2.50; middle toe, 1.15-130. Tail deep rufous, but usually more 

 or less mixed with ash of a similar tint to the back ; crossed by 4-5 

 bands of black, a little, sometimes considerably, narrower than the 

 rufous. Upper parts, and head, uniform ash (a shade darker than in 

 magnirostris) ; rufous on the outer webs of the quills barred with 

 dusky. Beneath yellowish white, broadly barred with rufous ; tibiae 

 ochraceous, narrowly, and more faintly, barred. Jugulum always (?) 

 uniform ashy. Hab. Panama to Guatemala. 



Specimens examined. Nat. Mus., 16; Philad. Acad., 1; Mus. 



Boston Soc, 1 ; Cab. G. N. Lawrence, 2. Total, 20. 



e. Var. pucherani Verreaux. 

 Esparvero indaye Azara, Apunt, I. 131, No. 30. 



Astur magnirostris Hartl., Ind. Azara, p. 2. — D'Orb., Voy. Ois., 



p. 91. 

 Nisus magnirostris Burm., P. Z. S. 1868, 623. 



