324 NORTH AMERICAN BIRDS. 



c'. Color brown above (usuallj' streaked vrith darker on top of head), the 

 rump yellowish or tawny, in marked contrast ; lower parts more or 

 less rlistinotly streaked anteriorlj-, on a light grayish or olive-j-el- 

 lowish ground ; wing not more than four times as long as expo>>e<l 

 culmen, decidedly less than four times as long as tarsus; culmen 

 more or less distinctly concave in middle portion, and cutting-edge 

 of upper mandible correspondingly convex, the bill being thus 

 somewhat recurved; tip of bill very abruptly and stronglj- hooked. 



Attila} 



Genus PLATYPSARIS Sclater.' (Page 323, pi. XCV., fig. 3.) , 

 Species. 



Common Chakacters. — Adult males: Above nearly uniform grayish or black- 

 ish, the top of head always darker than back (or else the latter black also) ; beneath 

 varying from deep slate-gray to nearly pure white, the chest (sometimes lower 

 throat also) usually with a patch of pure rose-red. Adult females and young males: 

 Above with more or less of tawny, the back and rump in some species mixed with 

 grayish; top of head varj-ing from dull slate-gray to glossj' black; lower parts 

 varying from dull ochraceous to buffy white. 



a\ Adult males with rose-coloix>d patch on chest (rarely replaced by patch of 

 whitish, faintly tinged with rosy); adult females and youii'j males with back 

 and rump dark rusty, rusty grayish, or nearly pure graj-. 

 6'. Adult males with breast, belly, flanks, elc, distinctly, or very decidedly, 

 ash-gray. 

 c'. Adiilt male: Top of head glossy blue-black, passing gradually into dull 

 sooty slate on forehead ; rest of upper ]iarts uniform slate-gray, 

 sometimes decidedly darker on back. Adult female : Top of head 

 blackish slate, becoming paler and browner on forehead; rest of 

 upper ])arts dark rusty, duller on back, whore sometimes approach- 

 ing a deep hazel or burnt-umber tint. Young male: Similar to adult 

 female, but top of head glossy black, as in adult male; in older in- 

 dividuals, the black of adult plumage ajipearing on back, sides of 

 bead, etc., and rose-color tinting the throat. Length about 6.50- 

 6.75. wing 3 30-3.75. tail 2.60-3.00, exposed culmen .60-.68. Hab. 

 Eastern Mexico (north to Rin Oi-ando Valley), south to Salvador. 



P. aglaiae (Lafr). Rose-throated Becard.' 

 c'. Adult male: Top of head dull slate-black posteriorly, gratluallj- be- 

 coming deep smoky gray on forehead ; rest of upper parts uni- 



1 AttlUt Lrsson, Traite Oin. 1831, liOO. T.V|io, A. hinsiUeunia Lkss. (Two, possibly throe, species in 

 BIcxico nnfl Guntcmnla.) 



» Phih/punrit ScL., P. Z. S. 1S57, 72 (ex Bonap., 1854, nomen nnilnm). T.vpc, Pachyrhnmphvt Inli. 

 rottrh Bp. 



» Pnchi/rhi/nclnu aglaia Lafr., Rov. Zool. 1839, 98. Plati/ptarh ai/luia SuMicun. Mom. Boat. Soc. i. 

 1869,558. 



