BIRDS OF NORTH AND MIDDLE AMERICA. 



671 



tail, 48-50(48.9); exposed culmen, 10; tarsus, 19.5-21 (20.1); middle 

 toe, 12-13 (12.8).' 



Pacific coast district, from British Columbia southward; breeding- 

 southward to Los Angeles County, (California, and eastward to Fort 

 Klamath, Oregon; during migration to Cape St. Lucas. 



Sylvia irichas (not Tardus irichas Linnaeus) Audubon, Orn. Biog., v, 1839, 463, 

 part (Columbia E.).— Townsend, Journ. Ac. Nat. Sci., Phila., viii, 1839, 153 

 (Columbia R. ). 



GeothylpistrKhas Baied, Rep. Pacific R. R. Surv., ix, 1858, 241, part (Fort Steila- 

 coom and Shoalwater Bay, Washington); Cat. N. Am. Birds, 1859, no. 170, 

 part; Review Am. Birds, 1865, 220, part.— Coopek and Buckley, Rep. Pacific 

 R. R. Surv., xii, pt. 2, 1860, 177 (Shoalwater Bay, etc., Washington).— Lord, 

 Proc. Roy. Artil. Inst. Woolwich, 1864, 115 (British Columbia) .-Brown, Ibis, 

 1868, 420 (Vancouver I.).— Cooper, Orn. Cal. 1870, 95, part.— Salvin, Ibis, 

 1872, 149, part (monogr.) .— Coues, Check List, 1873, no. 97, part; 2d ed. , 1882, 

 no. 141, part; Birds, N. W., 1874, 74, part; Birds Col. Val., 1878, 309-, part.— 

 Baibd, Brewer, and Ridgway, Hist. N. Am. Birds, i, 1874, 297, part.— 

 RiDGWAY, Bull. Nutt. Orn. Club, iii, 1878,65 (Marysville, California); Nom. 

 N. Am. Birds, 1881, no. 122, part.— Belding, Proc. U. S. Nat. Mus., i, 1879, 

 407, part (centr. California) ; v, 1883, 536 (La Paz, Lower California, winter) .— 

 Sharpe, Cat. Birds Brit. Mus., x, 1885, 351, part. 



IGeothlypis trichas} a. trichas Ridgway, Am. Journ. Sci., iv, Dec, 1872, 458, part. 



QeotUypis trichas var. trichas Ridgway, Am. Journ. Sci., iv, Dec, 1872, '458, part. 



[Oeothlypis trichas] var. trichas Ridgway, in Baird, Brewer, and Ridgway's Hist. 

 N. Am. Birds, i, 1874, 296, part. 



Trichas marylandica (not Sylvia marylandica Wilson) Nuttall, Man. Orn. U. S. 

 and Can., 2d ed., i, 1840, 454, part (Oregon).— Gambel, Journ. Ac.Nat. Sci. 

 Phila., i, 1847, 37, part (California). 



Trichas marilandica Audubon, Synopsis, 1839, 65, part; Birds Am., oct. ed., ii, 

 1841, 78, part. 



Trichas marylandious Gambel, Proc. Ac. Nat. Sci. Phila., iii, 1846, 1E5, part (Cal- 

 f ornia) . 



Trichas delafieldii (not Sylvia delafleldii Audubon) Hebemann, Journ. Ac. Nat. 

 Sci.. Phila., ii, 1852, 263, part (California) ; Rep. Pacific R. R. Surv., x, 1859, 

 40, part (California). 



Geothiypis trichas ocddentalw (not of Brewster) Anthony, Auk, iii, 1886, 171 

 Washington Co., Oregon, summer). — American Ornithologists' Union, 

 Check List, 1886, no. 681a, part.— (?) Townsend, Proc. U. S. Nat. Mus., x, 

 1887, 224 (base of Mount Shasta, n. California).— Merrill, Auk, v, 1888, 362 

 (Fort Klamath, Oregon, breeding).— Lawrence (R. H.), Auk, ix, 1892, 356 

 (Grays Harbor, Washington) . 



' Five specimens. 



Adult males from different localities average, respectively, as follows : 



