158 
THE RED-EYED YIREO. 
finished. It was situated on the extremity of a branch of an oak, at the 
height of about 30 feet. Being in that situation quite inaccessible, I fastened 
a cord to the end of the limb, and by bringing it closer to the body of the 
tree and securing it in that situation, I put it within reach. Although by 
this means the nest was nearly inverted, the bird did not forsake it, but 
built up the under side, and adapted it to its new situation. About a fort- 
night after, I found in the nest two eggs of the Cow Troopial advanced in 
incubation, although there were none of the eggs of the owner of the nest. 
On the 30th of the same month, the egg of the Vireo was found to have been 
added. This had been sat upon a few days ; and those of the Troopial were 
nearly ready to be hatched. This fact is one of the most satisfactory kind, 
for not merely one, but actually two eggs of the Cow Blackbird were 
deposited, and instead of being forsaken were incubated for at least a week 
before the bird was ready to lay any of her eggs ; and although repeatedly 
disturbed, first by having her empty and unfinished nest nearly inverted, 
then by having the eggs of the Cow-bird removed and afterwards replaced 
in order to put their identity beyond doubt, and again by having her own 
eggs removed, she still clung to her adopted younglings with unexampled 
fidelity.” 
Red-eyed Flycatcher, Muscicapa olivacea, Wils. Amer. Orn., vol. ii. p. 55. 
Vireo olivaceus, Bonap. Syn., p. 71. 
Vireo olivaceus, Red-eyed Greenlet, Swains, and Rich. F. Bor. Amer., vol. ii.p. 233. 
Red-eyed Vireo Vireo olivaceus, Aud. Orn. Biog., vol. ii. p. 287 ; vol. v. p. 430. 
Adult Male. 
Bill of moderate length, strong, depressed at the base, compressed towards 
.he end, somewhat ascending. Upper mandible with the dorsal line slightly 
convex, the sides convex, the edges sharp and notched towards the end, the 
tip acute and suddenly deflected ; -lower mandible with the dorsal line also 
slightly convex, the back rounded, the edges sharp and inflected, the tip 
acute. Nostrils basal, lateral, oblong. Head rather large, neck short, body 
rather robust. Feet of ordinary length ; tarsus compressed, anteriorly 
scutellate, sharp behind ; toes slender, free ; claws arched, compressed, acute. 
Plumage soft and blended. Wings rather long, the second and third 
primaries longest ; tail of ordinary length, slightly emarginate. Bristles 
at the base of the bill short. 
Bill brown above, pale bluish-grey beneath. Iris red. Feet bluish-grey. 
The general colour of the plumage above is light yellowish-olive, the crown 
of the head deep-grey, bordered on each side by a line of blackish, below 
which is a line of greyish -white passing from the nostril over the eye. 
