SYLVICOLID^E. XXVII. 67 



below, sharply spotted on breast and sides, after the 

 fashion of the Thrushes; crown orange brown, with two 

 black stripes; L. 6; W. 3; T. 2J. U. S.; abundant in 

 woodland, spending most of its time on the ground, like 

 the other species of this genus, and the next two; re- 

 markable for its loud, ringing song, and its curious oven- 

 shaped nest; the largest of the true Warblers. 



2. S. navius, (Coues). WATER WAGTAIL. WATER 

 THRUSH. Dark olive brown above, pale yellowish 

 beneath; thickly spotted every where with the color of 

 the back; a yellowish superciliary line; bill about a half 

 inch long; feet dark; L. 6; W. 3; T. 2. N. Am.; 

 abundant in low thickets; moves its tail like a Wagtail. 



3. S. motacilla, (Vieill.) Bon. LARGE - BILLED WATER 

 THRUSH. Same general color as last, but white or pale 

 buffy below, and less sharply spotted; bill much larger, 

 about f inch; feet pale; larger; L. 6J; W. 3; ?. ty. 

 E. U. S., scarce; N. to Mass. (Allen) and N. Wis. 

 (Jordan.) (S. ludoviciamis, authors.) 



9. OPORORNIS, Baird. NIMBLE WARBLERS. 



1. 0. agilis, (Wils.) Bd. CONNECTICUT WARBLER. 

 Olive green, a.shy on head; throat and breast brownish 

 ash, otherwise yellow below; no sharp markings; in fall 

 more olivaceous; L. of; W. 3; T. 2^. E. U. S., rare; a 

 shy, quiet bird. 



2. 0. formosus, (Wils.) Bd. 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; L. of; W. 3; 

 T. 2^. E. U. S., chiefly southerly, N. to Wis. and Conn.; 

 in low thickets, not generally common; a handsome and 

 active species. 



