506 BIRDS OF THE REPUBLIC OF PANAMA PART 2 



surface green, changing to yellowish green on lower breast and sides, 

 yellower on the abdomen ; under tail coverts cinnamon-rufous ; under 

 surface of tail black, except for the cinnamon-rufous tip; under 

 wing coverts and bases of flight feathers light yellow, tinged more 

 or less with green. 



Juvenile plumage, in birds recently from the nest, like that of the 

 adult in color and pattern, except that the throat patch is grayer 

 and duller. 



Figure 64. — Emerald toucanet, currutaco, Aulacorhynchus prasinus. 



The species as a whole ranges in mountain forests from southern 

 Mexico through Central America, and northern South America from 

 Colombia to Peru and western Venezuela. The most striking dif- 

 ferences in the several forms that are recognized are in the color of 

 the throat, which varies from pale yellow to white, gray, or blue, 

 according to locality. Two subspecies, both with blue throats, are 

 found in Panama, one in the east and one in the west. Gould de- 

 scribed the emerald toucanet in a review of toucans before a meet- 

 ing of the Zoological Society of London held July 8, 1834. His 

 account, issued in volume 2 of the Proceedings of the Society, was 

 published November 25, 1834. At the end is the statement that 

 "the species characterized above are figured in Mr. Gould's 'Mono- 



