SPECIES 33. SYLVIA LEUCOPTERA* 
PINE-SWAMP WARBLER. 
[Plate XLIII.— Fig. 4.] 
This little bird is for the first time figured or described. Its 
favourite haunts are in the deepest and gloomiest pine and hem- 
lock swamps of our mountainous regions, where every tree, 
trunk, and fallen log is covered with a luxuriant coat of moss, 
that even mantles over the surface of the ground, and prevents 
the sportsman from avoiding a thousand holes, springs and 
swamps, into which he is incessantly plunged. Of the nest of 
this bird I am unable to speak. I found it associated with the 
Blackburnian Warbler, the Golden-crested Wren, Ruby -crown- 
ed Wren, Yellow Rump, and others of that description, in such 
places as I have described, about the middle of May. It seemed 
as active in flycatching as in searching for other insects, darting 
nimbly about among the branches, and flirting its wings; but I 
could not perceive that it had either note or song. I shot three, 
one male and two females. I have no doubt that they breed in 
those solitary swamps, as well as many other of their associates. 
The Pine-swamp Warbler is four inches and a quarter long, 
and seven inches and a quarter in extent; bill black, not notched, 
but furnished with bristles; upper parts a deep green olive, with 
slight bluish reflections, particularly on the edges of the tail 
and on the head ; wings dusky, but so broadly edged with olive 
green as to appear wholly of that tint; immediately below the 
primary coverts there is a single triangular spot of yellowish 
white; no other part of the wing is white; the three exterior tail 
* Wilson first called tills bird jiusilla, but that name being preoccupied, he 
changed it in the index to leucoptera; this latter name is also preoccupied, and 
Prince Musignano has proposed that it should be called >S. sphagnosa. 
