SCLATER'S WARBLER 



active in its movements than most of the other 

 warblers and the large orange or yellow tail 

 patches are very conspicuous in any plumage, 

 especially as it has the habit of widely spreading 

 its tail as it flits from one branch to another. 



21. Basileuterus rufifrons mesochrysus 

 (Sclater) 



Sclater's Warbler 



Length, no mm. (4.30 in.); tail, 50 mm. 

 (2.00 in.). 



Sexes alike. Top of head, and including ear 

 coverts, chestnut with an indistinct lighter center 



FIG. 90. Basileuterus rufifrons mesochrysus 

 (Nat. Size) 



stripe and a white streak over eye extending 

 along sides of nape; hindneck and sides of neck 

 gray; remaining upper parts dull olive green; 

 a dark grayish streak through eye; under parts 

 yellow. 



A native species, fairly common in damp 

 thickets especially in the vicinity of water. 

 Seen at Gatun, below the dam, and at Patillo 

 Point. Several taken by Hallinan. 

 387 



