ack-throated Blue Warbler. *Cerulean Warbler.

48. WHITE-CROWNED SPARROW. 7 in.
(Zonotrichia leucophrys. 554.)

Ashy-gray; rump, tail and wings, brown, streaked with black; _crown
conspicuously striped_ with black and white; no yellow; two white
wing-bars; in flocks, often with _White-throated Sparrows_; scratches
with both feet; notice the song. *White-throated Sparrow.

49. PALM WARBLER. 5 in.
(Dendroica palmarum. 672.)

Streaky olive-gray; _chestnut cap_; yellow line over eye; beneath
yellowish (brightest on throat and under tail) streaked with brown; feeds
on ground in flocks; constantly _tilts its tail_ up and down.
*Water-Thrushes.

50. HENSLOW SPARROW. 5 in.
(Coterniculus henslowii. 547.)

Back conspicuously marked and streaked, showing much chestnut; head and
neck a peculiar greenish tinge, _finely_ lined with black; below tinged
with buff and finely streaked; dark stripes and spots on sides of head;
_sharp tail_; hides in the grass and can be carefully observed only with
patience.

51. GRINNELL WATER-THRUSH. 5-3/4 in.
(Seiurus noveboracensis notabilis. 675a.)

Very dark olive-brown; below yellowish white, thickly streaked; _pale
stripe_ over the eye; skulks along the very edge of the water; _tilts its
tail_; brilliant song. *Louisiana Water-Thrush. *Ovenbird. *Palm Warbler.

52. CATBIRD. 8-3/4 in.
(Galeoscoptes carolinensis. 704.)

Slate-gray; bill, crown and tail, black; chestnut patch under tail; about
shrubbery; willing to be looked at; calls like a cat; song, greatly
varied.

53. PINE WARBLER. 5-3/4 in.
(Dendroica vigorsii. 671.)

Olive-green; yellow breast; sides of head suffused with
yellowish--sometimes forming a _yellow line over eye_; two dull white
wing-bars; song, a loud, penetrating trill. *Yellow-bellied Flycatcher.
*Female Western Yellow-throat. *Female Wilson Black-cap.

54. RED-BREASTED NUTHATCH. 4-3/4 in.
(Sitta canadensis. 728.)

Bluish-gray; crown and _stripe through eye, black_, with a white line
over the eye; _below rusty-red_, throat white; climbs up and down and
around trees; note, "cark, cark, cark." *White-breasted Nuthatch.

55. BLACK AND WHITE