EREUNETES. 161 



GENUS EREUNETES ILLIGER. (Page 148, pi. XLVIIL, fig. 3.) 



Species. 



COMMON CHARACTERS. Eump slate-grayish ; upper tail-coverts and middle tail- 

 feathers dusky, rest of tail-feathers ash-gray ; wing-coverts and tertials brownish 

 gray, with darker shaft-streaks, the greater coverts tipped with white; superciliary 

 region and lower parts white, the former finely streaked with dusky. Summer 

 adults with feathers of back, scapulars, etc., blackish centrally, their edges more or 

 less buify or rusty ; chest streaked or spotted with dusky. Winter plumage with 

 upper parts plain grayish, the feathers with darker shaft-streaks ; chest nearly or 

 quite immaculate. Young : Much like summer adult, but chest tinged with dull 

 bufly, and without streaks, and the scapulars and feathers of back margined termi- 

 nally with white. Downy young : Forehead whitish, divided medially by a black 

 line ; crown chestnut, marbled posteriorly with black and white ; occiput marbled 

 whitish ; a line of black on lores, forking just in front of eye, the upper branch run- 

 ning toward anterior corner of eye, the other inclining downward ; upper parts ful- 

 vous-brown or rusty laterally, black centrally, the whole surface thickly bespangled 

 with white downy tufts ; throat fulvous-whitish; other lower parts dull whitish, 

 nearly pure on belly. Length about 5.25-6.75. 



a 1 . Culmen .68-.T5 (.72) in male, .80-.92 (.84) in female. Summer adult with little 

 rusty on upper parts, the prevailing color above being grayish brown, tinged 

 on sides of head (above ear-coverts), scapulars, etc., with pale buffy cinnamon, 

 but this often nearly absent ; chest narrowly streaked with dusky. Young 

 with little of rusty or ochraceous on upper parts. Male : Wing 3.65-3.90 

 (3.69), culmen .6S-.75 (.72), tarsus .80-.90 (.85), middle toe .S5-.65 (.62). 

 Female : Wing 3.85-4.00 (3.91), culmen .80-.92 (.84), tarsus .S5-.95 (.90), 

 middle toe .55-.6S (.61). Eggs 1.21 X 0.85, pale dull grayish buff, sprinkled, 

 speckled, or spotted with dark brown and purplish gray. Hob. Northern 

 and eastern North America, breeding from Labrador and western shores 

 of Hudson's Bay to northern Alaska; west, during migrations, to Eocky 

 Mountains 246. E. pusillus (LINN.). Semipalmated Sandpiper. 



2 . Culmen .S5-.95 (.88) in male, 1.00-1.15 (1.05) in female. Summer adult with 

 upper parts chiefly rusty, or bright rusty cinnamon, the feathers spotted cen- 

 trally with black, the rusty or cinnamon sometimes uniform along sides of 

 head (above ear-coverts), and a more or less distinct stripe of same on side 

 of head ; chest and breast thickly marked with broad streaks (sometimes 

 widened into triangular spots) of dusky, the sides marked with sagittate 

 spots of the same. Young : Upper parts, including top of head, with rusty 

 ochraceous prevailing. Downy young : Busty areas of upper parts more ex- 

 tended and brighter in color. Male : Wing 3.60-3.75 (3.68), culmen .S5-.95 

 (.88), tarsus .85-.90 (.87), middle toe .55-.60 (.59). Female : ^Wing 3.70-3.90 

 (3.82). culmen 1.00-1.15 (1.05), tarsus .90-.95 (.93), middle toe .60-.65 (.61). 

 Eggs 1.24 X 0.87, deep cinnamon-buffy, sprinkled, speckled, or thickly spotted 



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