304 AYES : PASSEEES. — XL VI. 



514. SEIURUS Swainson. (a-eia, I wag ; ovpd, tail.) 

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



984. S. aurocapillus (L.). Oven-bird. Golden-crowned 

 " Thkush." 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 

 huffy ; 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 ; bUl larger, about f 

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

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



515. GEOTHLYPIS Gabanis. (yea, earth ; ffKvnls, some small 

 bird like a warbler.) 



a. Tail evidently shorter than wing, more than half hidden by the coverts. 

 ( OpoTornis 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 ; $ with the black replaced by dusky oUve; L. 5|. 

 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. 5f. W. 3. T. 2\. E. jST. 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 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. 5^. W. 

 2|-. T. 2-J-. E. U. S., ratlier rare, in dense thickets. 



