NO. 9 BIRDS OF ISLA COIBA, PANAMA—WETMORE 57 
Family FormicarupaEe: Antbirds 
THAMNOPHILUS DOLIATUS (Linnaeus): Barred Antshrike, Pavita Rayada 
Lanius doliatus LINNAEUS, Museum Adolphi Friderici Regis, vol. 2, 1764, p. 2. 
(Surinam. ) 
It was no surprise to find the barred antshrike on Coiba, since 
the species is one that I had seen earlier on the islands in the Archi- 
piélago de las Perlas, distant from the mainland. They were en- 
countered immediately on my first day afield, usually in pairs, and 
Fic. 6.—Barred Antshrike, Pavita Rayada. 
remained as one of the birds that I heard and saw daily during the 
entire period of my work on the island. I found them in the begin- 
ning in tangled growths bordering the vegetable gardens, and in 
thickets back of the beaches, as well as in the swampy woodland 
near the river mouths, these being the usual mainland habitats. As 
I became more familiar with Coiba I learned, to my surprise, that 
they ranged also in tangles of vines in the crowns of the tallest trees 
throughout the high upland forest, often so far above the earth that 
they were beyond gunshot with the heaviest shotgun loads. I came 
therefore to believe that, like the common woodpecker of Coiba, this 
may have been a normal home for them on the mainland, from which 
they were able to descend, when the forests were cut, to live in second- 
