290 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Tringa cooperi Baird, Rep. Pacific R. R. Surv., ix, 1858, 716 (Raynor South, 

 Long Island, New York; coll. U. S. Nat. Mus.); ed. 1860 (Birds N. Am.), 

 atlas, pi. 89, fig. 1; Cat. N. Am. Birds, 1859, no. 527.— Coues, Check List, 

 1873, no. 422; Birds Northwest, 1874, 491.— Maynard, Birds Eastern N. 

 Am., 1879, 521.— Elliot, N. Am. Shore Birds, 1895, 79. 



[Tringa] cooperi Gray, Hand-list, iii, 1871, 49, no. 10309. 



[Tringa] cooperii Coues, Key N. Am. Birds, 1872, 255. 



T[ri7iga] cooperi Ridgway, Man. N. Am. Birds, 1887, 157. 



Actodromas {Heteropygia) cooperi Coues, Proc. Ac. Nat. Sci. Phila., 1861, 202 

 (monogr.). 



Actodromas cooperi Ridgway, Proc. U. S. Nat. Mus., iii, Aug. 24, 1880, 199; 

 Nom. N. Am. Birds, 1881, no. 535.— Coues, Check List, 2d ed., 1882, no. 

 618. — Baird, Brewer, and Ridgway, Water Birds N. Am., i, 1884, 226. 



Tringa {Actodromas) cooperi American Ornithologists' Union, Check List, 

 1886, 352 (in Hypothetical List); 2d ed., 1895, 328 (in Hypothetical List). 



A[ctodromas] cooperii Coues, Key N. Am. Birds, 2d ed., 1884, 627. 



[Actodromas] cooperi Lawrence, Ann. Lye. N. Y., viii, 1867, 294 (Long Island). 



Heteropygia cooperi Sharpe, Cat. Birds Brit. Mus., xxiv, 1896, 574, footnote. 



[Heteropygia]! cooperi Sharps, Hand-list, i, 1899, 164. 



Pisobia cooperi American Ornithologists' Union, Check List, 3rd ed., 1910, 371. 



PISOBIA RUFICOLLIS (Pallas). 



RUFOUS-NECKED SANDPIPER. 



Nearest P. minuta,"' but wing and tail averaging decidedly longer, 

 bill and tarsus shorter, the bill stouter (especially toward base); 

 summer adults with throat and forcneck plain cinnamon-rufous 

 (instead of white flecked with grayish brown) and winter plumage 

 lighter above. 



Adult male in summer. — Pileum (except anterior and lateral 

 portions of forehead) broadly streaked with black, the feathers 

 edged with light rusty brown or cinnamon-rufous and dull whitish; 

 hindneck light cinnamon-rufous more or less tinged or intermixed 

 with pale grayish brown, narrowly and indistinctly streaked with 

 dusky; interscapulars black centrally, light cinnamon-rufous laterally, 

 the scapulars similar but the cinnamon-rufous more or less inter- 

 mixed with brownish gray, the elongated posterior ones with Uttle 

 if any cinnamon-rufous; wing-coverts and tertials brownish gray 

 margined with paler and with darker shaft-streaks, the anterior 

 lesser coverts darker and more uniform grayish, the greater coverts 

 tipped with white; proximal secondaries (next to tertials) mostly 

 white, the distal ones dark brownish gray narrowly edged distally 

 with white; primaries and primary coverts dark brownish gray or 

 dusky, with white shafts, the proximal ones narrowly edged basally 

 with white; rump and shorter upper tail-coverts blackish, the 

 feathers narrowly margined terminally with pale gray and whitish; 



a See p. 268. 



