466 



BIRDS OF THE REPUBLIC OF PANAMA — PART 2 



meters on the Rio Tacarcuna. On the Atlantic slope throughout from 

 western Bocas del Toro to eastern San Bias, including the lower 

 Chagres Valley. 



Three specimens marked as collected by Arce, 1 in the British 

 Museum and 2 in the U. S. National Museum, labeled "Veragua" 

 without other data are of doubtful locality. If correctly attributed 

 to Arce they may have been taken on the Atlantic slope of Veraguas. 

 Salvin and Godman (Biol. Centr.-Amer., Aves, vol. 2, 1896, p. 509) 

 list specimens received from McLeannan in what became the Canal 

 Zone, and then add "we have a skin from our collector Arce from a 



Figure 56. — Great jacamar, barranquero grande, Jacatnerops aurea penardi. 



point westward of the railway." The 2 in Washington, which were 

 received from the dealer Boucard, from their appearance may have 

 come from McLeannan rather than from Arce. 



In my few encounters with these birds I have found them resting 

 quietly among leaves in the top of undergrowth or, where the forest 

 was not too tall, on open perches below the lower tree crown. Here 

 my eye has detected them through the reflection of light from the 

 metallic sheen of the plumage of the head and back. Usually they 

 were in pairs. In those instances when I saw only one I was quite 

 sure that the other was somewhere near, concealed in the forest 

 cover. Once, in Darien, my attention was attracted to one by its 

 high-pitched whistled call, slowly given with the tip of the bill barely 



