70 BIRDS OF THE REPUBLIC OF PANAMA PART 3 



one egg was fresh, the other two sHghtly incubated. The eggs are 

 plain white, without gloss, in form subelliptical, two in one set being 

 very slightly pointed at the small end. One set measures 20.2 X 15.8, 

 20.9x15.1, 21.3x15.9, the other in which one egg is slightly dam- 

 aged 20.4x15.9, and 20.7x15.6. There should be noted also the 

 account of Dr. Emilia Snethlage (Journ. f. Orn., 1935, pp. 541-542) 

 of eggs attributed to this nominate race found on the rio Tapajoz, 

 Brazil, that are described as "griinlich weisse." 



XENERPESTES MINLOSI UMBRATICUS Wetmore: 

 Double-banded Soft-tail, Rabiblando Bifajeado 



Xenerpcstes minlosi umhraticus Wetmore, Smithsonian Misc. Coll., vol. 117, 

 no. 2, September 25, 1951, p. 4. (Punto Muchimbo, Rio San Juan, Valle, 

 Colombia.) 



Small, dark above, with white line over eye, two white wing bars, 

 yellowish white below ; warblerlike in actions. 



Description. — Length 110-120 mm. Adult (sexes alike), fore 

 crown dull black, shading posteriorly to blackish mouse gray on the 

 hindneck, edged in the latter area with deep mouse gray ; back and 

 scapulars dark olive-gray ; rump and upper tail coverts light grayish 

 olive ; primaries and secondaries sooty black, edged faintly with 

 sooty brown ; wing coverts blackish mouse gray, the middle and 

 greater series tipped with white to form two white wing bars ; middle 

 rectrices and outer webs of others deep olive-gray, the inner webs 

 of the latter deep mouse gray, the two outermost edged on the inner 

 web with pale olive-gray ; lores olive-buff ; a narrow, but prominent, 

 superciliary line white ; side of head deep olive-buff, darker behind the 

 auricular area ; below dull white, washed indistinctly with pale yellow ; 

 a few light flecks of dark neutral gray on the sides of the neck and of 

 the upper breast ; under tail coverts olive-buff ; bend of wing and 

 axillars Marguerite yellow ; under wing coverts white ; inner webs 

 of primaries edged with dull white. 



Measurements. — Males (the type and another from Darien), wing 

 57.1-57.3 (57.2). tail 41.6-45.6 (43.6), culmen from base 13.4 

 (1 specimen), tarsus 15.3-16.0 (15.6) mm. 



Females (2 from Darien), wing 52.5-54.9 (53.7), tail 42.2-42.6 

 (42.4), culmen from base 12.8-13.7 (13.2), tarsus 14.8-15.1 

 (14.9) mm. 



Resident. Rare, known in Darien from the lower Tuira Valley, the 

 lower Rio Sambu, and Garachine. 



