DENDROCYGNA. 119 
fulvous and dusky; lower parts dull whitish, irregularly spotted with 
black. Hab. West Indies (Jamaica and St. Croix). 
D. arborea Linn. Tree-duck.! 
a’. Plumage chiefly uniform, in distinctly defined areas of different colors. 
6. Belly plain light tawny-cinnamon, or fulvous, the flanks striped with 
paler. 
Adult: Back and scapular region black, the feathers tipped with ful- 
vous or cinnamon; upper tail-coverts white; head and neck plain 
tawny, like lower parts, the top of head and hind-neck. darker; 
bill black; length about 20.00-21.00, wing 8.10-8.90, culmen 1.65- 
1.95, tarsus 2.10-2.40, middle toe 2.30-2.80. Hab. Tropical and 
subtropical North America, north to California, Nevada, and Louisi- 
ana; also, southern Brazil, Paraguay, and Argentine Republic. 
178. D. fulva (GmEL.). Fulvous Tree-duck. 
6%. Belly uniform black. 
c. Under tail-coverts white, spotted with black ; bill light-colored (red in 
life); above reddish brown, the rump and upper tail-coverts 
black. 
d', Adult: Lower part of neck, all round, and chest, reddish brown, or 
cinnamon, like the back. Young: Similar, but pattern of color- 
ation much less distinct, and colors duller; the reddish brown 
replaced by dingy grayish, tinged with rusty, the belly, flanks, 
ete., grayish white, tinged with dusky; bill and feet dusky. 
Downy young: Above blackish brown, varied by large, sharply 
defined areas of sulphury buff; lower parts pale buff-yellow, 
the belly whitish. Length 19.75-24.00, wing 9.20-9.70, cul- 
men 1.90-2.15, tarsus 2.25-2.60, middle toe 2.25-2.70. Eygs 
2.12 X 1.56, white, sometimes tinged with pale olive greenish or 
buffy. Hab. Middle America, including Rio Grande Valley in 
Texas. 
177. D. autumnalis (Linw.). Black-bellied Tree-duck. 
@, Adult: Lower part of neck, all round, including chest, brownish 
gray, abruptly contrasted with the chestnut-brown of the back. 
Hab. Northern South America. 
D. discolor Sct. & Satv. Colombian Tree-duck.? 
ce. Under tail-coverts uniform black. 
Adult: Chest and lower part of neck, all round, rich chestnut; 
sides yellowish white, barred with blackish ; fore part of head 
white; rest of head, and upper part of neck, black, with a white 
patch on fore-neck. Hab. Eastern South America and western 
Africa. ; 
D. viduata (Liny.). Brazilian Tree-duck.$ 
1 Anas arborea Linn., S. N. ed. 12, i. 1766, 207. Dendrocygna arborea Eyt., Mon. Anat. 1838, 110. 
2 Dendrocygna discolor Scu. & Satv., Nom. Neotr. 1873, 161. 
3 Anas viduata Liny., S. N, ed. 12, i. 1766, 205. Dendrocygna viduata Eyt., Mon. Anat. 1838, 110. 
