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'. 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). Vest 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 Valley (but chiefly east of Allegha- 
nies ?), south, in winter, to Gulf States, West Indies, and northern 
South America.. 675. S. noveboracensis (GmEL.). Water-Thrush, 
ce. 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 44-55 (.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 (Grinv.). 
Grinnell’s Water-Thrush. 
b%. 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 buff 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. nevius; 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). West 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 (ViEILL.). Louisiana Water-Thrush. 
