THE BIRDS OF XEW JERSEY. 199 



465 Empidonax virescens (Vieillot). 

 Acadian Flycatcher. 



Adults. Length, 5.50. Wing, 2.75. Grayish olive-green above ; wings and 

 tail, brownish ; two buff or whitish wing bars and similar edgings to the ter- 

 tials; under parts, pale yellowish-white, shaded with olive on the breast. 



Young in first summer. Similar, but feathers of the upper parts edged with 

 buff and wing bands strongly buff. 



Nest on a slender fork near the end of a horizontal limb, made largely of oak 

 or chestnut catkins, mixed with vegetable fibers ; eggs, two to three, creamy- 

 white, with a few reddish spots at the larger end, .75 x .55. 



Common summer resident,, except in the most northern counties. 

 Common in the lower Hudson valley, rare at Plainfield (Miller), 

 rather uncommon at Princeton (Babson), but regular at Newton, 

 Sussex county (Philipp). Arrives May 5th, departs September 15th. 



This is the breeding little green Flycatcher of the southern half of 

 New Jersey, though it overlaps the range of the Least Flycatcher across 

 the middle of the State, both species breeding at Trenton (Stone) and 

 at Plainfield (Miller). 



The Acadian Flycatcher is a bird of the woodland usually near 

 some little brook, though its nest is often swung out over the water of 

 a larger stream. It has a single call, repeated at regular intervals, as 

 the bird sits upon its perch, or occasionally sails out in pursuit of a 

 passing insect. 



466a Empidonax traillj alnorum Brewster. 

 Alder Flycatcher. 



Adults. Length, 6. Wing, 2.75. Above, brownish-olive ; wings and tail, 

 dusky ; two deep buff wing bars and dull whitish edgings to the tertials ; under 

 parts, white, tinged with light yellow posteriorly ; breast shaded strongly with 

 olive-gray. 



Young in first summer. Similar, but browner above, and wing bars darker. 



Nest of grass and vegetable fibers in an upright crotch of a bush near the 

 ground ; eggs, three to four, white, spotted wit'h rusty brown at the larger end, 

 .70 x .54. 



Rare transient, breeding locally in the northern half of the State. 



This little Flycatcher is a denizen of open swamps covered with 

 alder bushes, among the branches of which it searches for its insect 

 food, uttering now and then the distinctive cry which Dr. Dwight has 

 so admirably represented by the syllables "ee-zee-e-up." The same 



