of the United States . 
85 
Female and young dull olive ; beneath dull yellow. 
Maryland Yellow-throat , Sylvia marylandica, Wils , Am . 
Ora. i. p . 88. j?/. 6- fig* 1. male; and ii. p. 163. pi. 18. 
fig . 4. female, 
inhabits the United States during summer : very common : 
winters in the southern states. 
130. Sylvia Philadelphia, Wils. Deep greenish-olive ; head 
slate ; breast with a crescent of alternate white and black 
lines ; belly yellow. 
Mourning Warbler , Sylvia Philadelphia , Wils. Am. Orn. 
ii.p. 101 .pi. 14. fig» 6. 
Found but once in Pennsylvania during summer. An acci- 
dental variety of the preceding ? 
131. Sylvia sphagnosa. Nob. Deep green-olive ; beneath pale 
ochreous ; wings with a triangular spot of yellowish-white ; 
three lateral tail feathers with a whitish spot on the inner 
vanes. 
Pine swamp Warbler , Sylvia pusilla (leucoptera ), Wils. 
Am. Orn. v. p. ioo. pi. 43 .fig- 4. 
Inhabits pine and hemlock swamps in summer; not un- 
common. 
132. Sylvia azure a, Stephens. Verditer-blue ; beneath and 
line over the eye white ; wings bifasciate with white, and, with 
the tail, black ; tail feathers with a white spot. 
Ccerulean Warbler , Sylvia cccrulea , Wils. Am. Orn. ii. 
p. 141. pi. n. fig. 5. male; and Nob. Am. Orn. ii. pi. u.fig. 
2. female. 
Inhabits the northern and middle states in summer : rare 
in the Atlantic states : common in the western. 
133. Sylvia cjerulea, Lath. Bluish-gray ; beneath bluish- 
white ; tail longer than the body, rounded, black ; outer 
tail feathers nearly all white, two next tipt with white. 
Blue-gray Flycatcher , Muscicapa ccerulea , Wils. Am. Orn . 
ii. p. 164. pi. 18 .fig. 5. 
VOL. II. 
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