304 AVES : PASSERES. — XLVL 
514. SEIURUS Swainson. (ceiw, I wag; odpa, tail.) 
a. Crown orange brown with a black stripe on each side. 
984. S. aurocapillus (L.). OvEN-BrRD. GOLDEN-CROWNED 
“TurusH.” Bright olive green, white below, sharply spotted on 
breast and sides, like a thrush. L. 64. W.3. T. 22, °° ae 
abundant in woodland, spending most of its time on the ground, 
like the other species of this genus, and the next; remarkable for 
its ringing song and its curious oven-shaped nest ; the largest of the 
true Warblers. (Lat., aurum, gold; capillus, hair.) 
aa. Crown plain brownish. 
985. S. noveboracensis (Gmelin). WATER WaAGTAIL. WATER 
TuHrusu. Dark olive brown above, pale yellowish beneath ; thickly 
streaked everywhere with the color of the back; superciliary line 
buffy ; bill about half inch long; feet dark. L.6. W.3. T. 21. 
N. Am., in thickets ; moves its tail like a Wagtail. The Western 
form, var. notabilis Grinnell is larger and darker; it ranges E. to 
Ind. (Lat., of New York.) 
986. S. motacilla (Vieillot). LARGE-BILLED WATER THRUSH. 
Color of preceding, but paler below, the streaks below broader and 
less sharply defined; superciliary stripe white ; bill larger, about 3 
inch; feet pale. L.61. W. 31. T. 2}. E.U.S., scarce; N. to 
Mass. and N. Wis. (Lat., wagtail.) 
515. GEOTHLYPIS Cabanis. (yéa, earth; Odumis, some small 
bird like a warbler.) 
a. Tail evidently shorter than wing, more than half hidden by the coverts. 
( Oporornis Baird.) 
987. G. formosa (Wilson). Kentucky WARBLER. Clear 
olive green, bright yellow below; crown and sides of head and neck 
black, with a rich yellow superciliary stripe, which bends around 
the eye behind; 9 with the black replaced by dusky olive. L. 53. 
W.3. T. 2}. E.U.S., chiefly S. W., N. to Wis. and Conn.; ‘in 
low thickets; a handsome and active species. (Lat., comely.) 
988. G. agilis (Wilson). Connecticut WARBLER. Olive 
green, ashy on head; throat and breast brownish ash, otherwise 
yellow below; no sharp markings; in fall almost uniform olivace- 
ous. L.53. W.3. T. 2}. E. N. Am.; a shy, quiet bird, rarely 
seen in spring. 
989. G. philadelphia (Wilson). Mourninc WARBLER. 
Bright olive, clear yellow below; head ashy; throat and breast 
black, the feathers usually ashy-skirted (as though the bird wore 
crape, hence “Mourning Warbler”); Q and @ not in full plu- 
mage ashy anteriorly, almost exactly like G. agilis, but the tail 
more nearly length of wings; no white spot on eyelid. L. 54. W. 
2}. T. 21. E.U.S., rather rare, in dense thickets. 
