BIRDS OF NORTH AKD MIDDLE AMERICA. 215 



? [Ereunetes] cabanisi Lichtenstein, Nona. Mus. Berol., 1854 92 (North America). 

 Ereunetes occidentalis (not of Lawrence) Murdoch, Rep. Exped. Point Barrow, 



1885, 148 (May-Sept., breeding). 



EREUNETES MAURI Cabanis. 



WESTERN SANDPIPER. 



Similar to E. imsillus, but bill averaging much longer; summer 

 adults much more rufescent above and more heavily streaked or 

 spotted on anterior underparts, and young with rusty ochraceous or 

 cinnamon predominating on upper parts. 



Adults in summer. — Above bright rusty cinnamon, the feathers 

 black centrally, the cinnamon or rusty sometimes uniform along 

 sides of crown; wing-coverts grayish brown or brownish gray with 

 darker narrow shaft-streaks and ill-defined paler margins, the greater 

 coverts tipped with white; remiges and primary coverts darker 

 grayish brown, the primaries with white shafts; rump, upper tail- 

 coverts, and middle rectrices dusky grayish brown, the feathers of 

 rump more or less distinctly margined with paler, the lateral upper 

 tail-coverts mostly white; remaining rectrices pale brownish gi*ay, 

 narrowly margined with whitish distally; a superciliary stripe of white 

 streaked with dusky grayish, this bordered below by a stripe of light 

 rusty or cinnamon on side of head, involving more or less of loral, sub- 

 orbital and auricular regions; rest of head white, narrowly streaked, 

 except on chin and upper throat, with grayish dusky, the sides of neck 

 and foreneck similarly but more broadly streaked; rest of under- 

 parts white, the chest and sides thicldy marked with mostly V-shaped 

 or sagittate spots of dusky; axillars and under wing-coverts (except 

 'along edge of wing) immaculate white; bill brownish black; iris dark 

 brown; legs and feet dusky (in dried skins), 



Winter plumage. — Above nearly plain brownish gray or grayish 

 brown, the feathers with narrow shaft-streaks of darker; superciliary 

 region and underparts white, the chest faintly streaked with grayish 

 or dusky. (Distinguishable from the corresponding plumage of E. 

 pusillus only by the greater average length of the bill.) 



Young. — Similar to that of E. pusillus, but with rusty ochraceous 

 or cinnamomeous predominating on pileum and dorsal region. 



Doumy young. — Similar to that of E. pusiUus, but the rusty areas 

 on upper parts more extended and darker (more castaneous). Fore- 

 head, irregular superciliary stripe, and sides of head generally dull 

 white, more or less tinged with brownish buff, especially on anterior 

 portion of head; forehead divided medially by an irregular streak of 

 brownish black; a very narrow loral streak of black, extending near 

 bill to eye, and beneath this a rather smaller rictal streak; crown 

 and occiput light chestnut-brown or russet, margined with black and 

 with several irregular spots of pale buffy; back, rump, and flanks 

 mixed black and russet (the latter predominating on flanks) minutely 



