BIEDS OF NORTH AND MIDDLE AMERICA. 159 



edged with white, sometimes tinged with pale yellow; maxilla dark 

 brownish with paler tomia; mandible much paler (pale bluish gray in 

 life?); iris, brown; legs and feet, brownish or dusky in dried skins 

 (grayish blue or bluish gray in life ?). 



Adult maZe.— Length (skins), 117-120 (118.5); wing, 70-71 (70.5); 

 tail, ^8.5-50 (49.2); exposed culmen, 11; tarsus, 16.5-17(16.7); middle 

 toe, 10. « 



Adult fmiale.— Length, (skins), 111-120 (115.5); wing, 65-67 (66); 

 tail, 46-47 (46.5); exposed culmen, 10.5-11 (10.7); tarsus, 17-17.5 

 (17.2); middle toe, 10. <» 

 ' Highlands of Vera Cruz (Orizaba, Jalapa, etc.), southeastern Mexico. 



V[ireosylma\ gilva var. josephse (not Vireo josephss Sclater) Baird, Brewer, and 

 RiDGWAY, Hist. N. Aril. Birds, i, 1874, 360, footnote, part (Orizaba, Vera 

 Cruz). 



Vireo amauronotus Salvin and Godman, Biol. Centr.-Am., Aves., i, sig. 25, Dec, 

 1881, 193 (Orizaba, Vera Cruz, Mexico; coll. V. 8. Nat. Mus.).— Gadow, 

 Cat. Birds Brit. Mus., viii, 1883, 298.— Chapman, Bull, Am. Mus. N. H., 

 X, 1898, 25 (Jalapa, Vera Cruz; crit. ) 



VIREOSYLVA AMAURONOTA STRENUA (Nelson). 

 CHIAPAS VIREO. 



ft 



Similar to Y. a. amcmronota, but darker, the pileum deep sooty 

 brown or sepia, the back, etc. , more brownish olive. 



AdAxlt female. — Length (skin), 112; wing, 67; tail, 46.5; exposed 

 culmen, 11; tarsus, 18; middle toe, 10.5.* 



Highlands of Chiapas (Tumbala), southern Mexico. 



Yire.0 amauronotus strenuus Nelson, Auk, xvii, July, 1900, 268 (Tumbala, 

 Chiapas; coll. U. S. Nat. Mus.). 



VIREOSYLVA JOSEPH.ffi; COSTARICENSIS, new subspecies, c 

 BROWN-CAPPED VIEEO. 



Similar to V. j. josephas^ but pileum paler sooty brown, yellow of 

 under parts deeper, wing shorter, and tail longer; also resembling 

 V. aTnauronota, but color of pileum browner and extending over 

 hindneck, back, etc., oily olive-green, superciliary stripe more sharply 

 defined (especially the posterior portion), and under parts of body 

 wholly light yellow. 



Adidts {sexes alike). — Pileum and hindneck deep sooty brown or 

 sepia; back, scapulars, rump, upper tail-coverts, and lesser wing- 



»Two specimens. 



''One specimen (the type). 



"Type, no. 41269; coll. U. S. Nat. Mus., San Jos^, Costa Rica; J. Carmiol, 



<* gee footnote on page 134, 



