TRIXOA. 157 



eastern South America, to Falkland Islamls; occu- 



BioDal in Europe 240. T. fuscicoUis Vieii.l. 



Bonaparte's Sandpiper. 

 g*. Wing more than 5.50. Summer adult : Similar to cor- 

 responding stage of T. fuscicoUis, but ground-color 

 of upper parts brownish gray, with only the least 

 trace of ochraceous on some of the longer scapu- 

 lars, and upper tail-coverts conspicuously varied 

 with broad V-shaped marks of grayish dusky ; 

 length about 9.50, wing 5.80, culmen 1.25, tarsus 

 1.20. Sab. Long Island, New York (only one 

 specimen known, obtained May 21, 1833). 



— . T. cooperi Baird. Cooper's Sandpiper. 

 /*. Median upper tail-coverts plain dusky. 



Summer adult : Crown pale grayish buff, broadly 

 streaked with brownish black ; scapulars and in- 

 terscapulars irregularly spotted with brownish 

 black and pale grayish buif, the former largely 

 predominating; chest pale grayish bufT, streaked 

 and spotted with dusky graj-ish brown ; super- 

 ciliary stripe, chin, and throat white, the fii'st 

 finely but sparsely streaked with dusky; lower 

 parts posterior to chest plain white. Winter 

 plumage: Above plain buffy grayish brown, the 

 feathers with rather indistinct dusky mesial 

 streaks ; feathers of rump and median upper tail- 

 coverts dusky, bordered terminally with dull 

 buffy ; lower parts dull white, the sides of neck, 

 chest, and sides of breast strongly washed or suf- 

 fused with dull buffy. Toung : Above dull gray- 

 ish buff, the scapulars and interscapulars dusky 

 centrallj- and margined terminallj* with white ; 

 top of head streaked with duskj- ; otherwise much 

 as in winter plumage, but chest streaked with 

 dusky. Length 7.00-7.60, wing 4.60-4.85, culmen 

 .90-1.00, tarsus 1.00. Eggs 1.30 X -93, light 

 cream}- buff, sometimes tinged with rusty, thickh- 

 speckled and spotted with deep reddish brown or 

 chestnut. Hob. America in general, but chiefly 

 the interior; breeding along arctic coast, and mi- 

 grating in winter south to Chili and Argentine 

 Eepublio. 



241. T. bairdii CorEs. Baird's Sandpiper. 

 ip. Wing less than 4.00. 



e*. Middle toe, without claw, shorter than exposed culmen; shafts 



