304 AVES : PASSERES. XL VI. 



514. SEIURUS Swainson. (Wo>, I wag ; ofya, tail.) 

 a. Crown orange brown with a black stripe on each side. 



984. S. aurocapillus (L.). OVEN-BIRD. GOLDEN-CROWNED 

 " THRUSH." Bright olive green, white below, sharply spotted on 

 breast and sides, like a thrush. L. 6. W. 3. T. 2. U. S. ; 

 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 WAGTAIL. WATER 

 THRUSH. 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. 2. 

 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 |- 

 inch ; feet pale. L. 6 J. W. 3. T. 2 J. E. U. S., scarce ; N. to 

 Mass, and N. Wis. (Lat., wagtail.) 



515. GEOTHLYPIS Cabanis. (yea, earth; 6\vms, some small 



bird like a warbler.) 



o. 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. 5^. 

 W. 3. T. 2 J. 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. 5 J. W. 3. T. 2J-. E. N. Am. ; a shy, quiet bird, rarely 

 seen in spring. 



989. G. Philadelphia (Wilson). MOURNING 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 ") ; 9 an ^ $ not * n ^ u ^ P^ u " 

 mage ashy anteriorly, almost exactly like G. agilis, but the tail 

 more nearly length of wings ; no white spot on eyelid. L. 5 J. W. 

 2. T. 2f E. U. S., rather rare, in dense thickets. 



