BIRDS OF NORTH AND MIDDLE AMERICA. 141 



(lie toe, the inner toe reaching about to the joint; hallux about as 

 long as inner toe, but much stouter; basal phalanx of midtlle toe 

 united to outer toe for greater part of its length, to inner toe for less 

 than half its length; claws moderate in size and curvature, that of 

 the hallux shorter than the digit. Plumage full, with feathers broad 

 and distinctly outlined, those of rump and flanks more elongated, 

 blended, and lax; feathers of pileum rather stiff, shghtly elongated; 

 an elongated, narrow, naked postocular space. 



Coloration. — Head black, with more or less of chestnut on lateral 

 portion, the throat sometimes spotted with brown and whitish; 

 above brown, the back streaked with black, wing-coverts witli sub- 

 ajncal spots of buff or Ught fulvous margined with black; under parts 

 broadly barred or squamated with white and black. 



Bange. — Eastern Costa Rica to northwestern Ecuador. (Two 

 species.) 



KEY TO THE SPECIES AND SUBSPECIES OF PITTASOMA. 



a. Pileum, iiicluding superciliary and supra-aiu-icular regions, uniform lilack. 



b. Smaller (wing 93-99.5 in adult male, 93.5-95.5 in adult female); auricular and 

 suborbital regions wholly chestnut. (Panama.) 



Pittasoma michleri michleri (p. 141). 

 bh. Larger (wing 99.5-115 in adult male, 97.5-100.5 in adult female); auriculars and 

 suborbital regions black, or mostly so. (Costa liica.) 



Pittasoma michleri zeledoni (p. 142). 

 aa. Pileum rufous, bordered laterally by a black superciliary stripe. (Northwestern 

 Ecuad6r.) 



Pittasoma rufopileatum (extralimital)." 



PITTASOMA MICHLERI MICHLERI Cassin. 



MICHLER'S ANTPITTA. 



Adult male. — Pileum, including upper half of lores and whole of 

 superciliary region, uniform blade (slightly glossy) ; back, scapulars, 

 rump, and upper tail-coverts olive-brown to Vandyke brown, tlie first 

 broadly l)ut not sharply strealved with Idack (the feathers sometimes 

 also narrowly squamately margined with the same), and with narrow 

 buffy shaft-streaks; tail dee}) chestnut-brown; wmgs deep chestnut- 

 brown, the middle and greater coverts with a small subterminal 

 transverse spot of whitish or bufTy, inclosed between a small black 

 sj)ot and a narrow terminal bar;^ tertials with a more or less distinct 

 apical spot of buff or tawny; outer webs of primaries lighter chestnut- 

 brown than the general color; lower half of lores dull white, usually 

 somewhat flecked with dusky; auricular and malar regions uniform 

 deep chestnut, the latter, however, [)artly mixed with black, especially 



" P it faso ma rufopileatum Ilartert, Novit. Zool., viii, no. 3, Oct. 5, 1901, 370 (Salidero, 

 Bulun, n. w. Ecuad6r; coll. Tring Mus.); ix, 190'J, G15, pi. 8. 

 This species I have not seen. 

 ^ Sometimes a few of tlie lessej^ coverts have similar but smaller markings. 



