152 SNIPES, SAXDPIPERS, ETC. 



II. Bill under 2 00. 

 A. Tail with cross-bare. 



a. Wine over 5-"5. 



a 1 . Outer tail-feathers white, more or less barred; outer primary with- 

 out Imrs 255. YELLOW-LEGS. 



a*. Outer primary with numerous black bars. 



261. BARTRAMIAN SANDPIPER. 



b. Wing under 5-75. 



b 1 . L'nder purt-s white, with numerous round blackish spots ; upper parts 

 brownish gray, burred with blackish . . 2(53. SPOTTED SANDPIPER. 



b*. Under parts white, breast streaked with blackish; upper parts fus- 

 cous, spotted with white 256. SOLITARY SAMHMIM:I:. 



b*. Under part.s tinged with bully, inner wd, of outer primary speckled 

 with blackish -jiw. BI-KK-BKKA.-TKD SANDPIPER. 



b*. Under parts white, breast washed with grayish, inner primaries and 

 secondaries with a concealed white patch. 



2ij3. SPOTTED SANDPIPER (Im.). 

 . Tail without cross-bare, toes 4. 



a. F.ill over 1-10. 



'. Middle upper tail-coverts with cross-bare or streaks. 



a. Tarsus over 1-50 233. STILT SANDPIPER. 



a 1 . Tarsus under 1 "><, wing under 6'00. . 244. Cnn.i.u SANDPIPER. 



a 4 . Tarsus under rr>'., winir over 'VOO 234. KNOT. 



6*. Middle upper tail-coverts black or fuscous, without liars; bill 



straight. 

 b*. Tarsus under 1-50; upper parts blackish, more or less margined 



with gray 235. Pi RPI.K SANDPIPER. 



b*. Tarsus under 1-50; upper parts more or less margined with rufous. 



239. PECTORAL SANDPIPER. 



b*. Tarsus over 1-50 260. Kt ve. 



c l . Middle upper tail-coverts grayish, bill curved slightly downward. 



243a. RED-BACKED SANDPIPER. 



b. Bill under 1-10. 



b 1 . Wing under 4-00. 

 6*. Toes partly webbed. 



246. SEMIPALMATED SANDPIPER. 24V. WESTERN SANDPIPER. 



b*. Toes not webbed 242. LEAST SANDPIPER. 



c 1 . Wing over 4 - 00, inner webs of primaries plain. 



c*. Breast white or whitish, streaked or spotted with blackish ; mid- 

 dle upper tail-coverts white . . '-'I". NVniTE-Ri -MI-ED SANDPIPER. 

 A Breast buffy, heavily spotted or streaked with blackish; middle 

 upper tail-coverts black, slightly margined with rufous. 



239. PECTORAL SANDPIPER. 



c*. Breast buffy lightly spotted or streaked with black ; middle upper 

 tail-coverts fuscous, lightly margined with buffy. 



241. BAIRD'S SANDPIPER. 

 d*. Wing over 4-00, inner webs of primaries speckled. 



L'l'.li- BrKK-DREASTED SANDPIPER. 



C. Tail without cross-bars, toes 3 248. SANDERLINO. 



