SEIURUS. 519 



of upper parts tipped with light fulvous, producing a spotted appear- 

 ance, and streaks on lower parts much less distinct than in adult. 

 c 1 . Smaller, browner above, superciliary stripe usually more distinctly 

 fulvous, and lower parts usually distinctly yellowish ; length 5.00- 

 6.00, wing 2.80-3.10 (2.94), tail 2.00-2.25 (2.14), exposed culmen 

 .43-.50 (.47), tarsus .80-.88 (.83). Nest on or near ground in wet 

 woods or on border of swamps, open above. Eggs .75 X -57. Hab. 

 Eastern North America, breeding from northern United States 

 northward ; west to Mississippi Yalley (but chiefly east of Allegha- 

 nies ?), south, in winter, to Gulf States, West Indies, and northern 

 South America.. 675. S. noveboracensis (&MEL.). Water-Thrush. 

 c 2 . Larger, darker and sootier above, superciliary stripe less distinctly 

 fulvous, and lower parts much less often distinctly yellowish ; 

 length 5.50-6.50, wing 2.90-3.25 (3.14), tail 2.10-2.50 (2.35), ex- 

 posed culmen .44-.S5 (.51), tarsus .82-.90 (.87). Hab. Western 

 North' America (chiefly in the interior), north to Alaska, east to 

 Mississippi Valley (as far as western Indiana, Illinois, etc.) ; south, 

 in winter, to Lower California, Mexico, and Central America. 



675a. S. noveboracensis notabilis (GRINN.). 

 GrinneU's Water-Thrush. 



Superciliary stripe white ; streaks on lower parts not darker than upper 

 surface ; throat usually immaculate ; longer under tail-coverts entirely 

 white or pale buff, or else with only the basal portion of one web brown- 

 ish ; lower parts always more or less tinged with bun laterally and pos- 

 teriorly, but never with sulphur-yellow ; wing exceeding tail by more 

 than length of tarsus. 



Above grayish brown, rather lighter and more olivaceous (or less 

 brownish) than in S. ncevius ; superciliary stripe and lower parts 

 white, the latter changing to buffy posteriorly and laterally ; breast, 

 sides, and flanks broadly streaked with the color of the back. Young : 

 Similar to adult, but upper parts browner, wing-coverts tipped with 

 dull rusty, and streaks on lower parts much less distinct (nearly 

 obsolete) on sides and flanks. Length 5.75-6.40, wing 3.00-3.25 

 (3.15). tail 2.10-2.30 (2.15), exposed culmen .50-.56 (.53), tarsus .87- 

 .91 (.89). Nest a bulky structure of dried leaves, fine rootlets, 

 grasses, etc., carefully hidden in crevices among roots of upturned 

 trees, old logs, stumps, or mossy banks always in. moist or swampy 

 woods. Eggs .73 X -59. Hab. Eastern United States, north to the 

 Great Lakes and southern New England, west to Great Plains ; in 

 winter, from Gulf States to West Indies, eastern Mexico, and Central 

 America .... 676. S. motacilla (YIEILL.). Louisiana Water-Thrush. 



