068 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



GeothIi/p!x trichas roncoe Hasbrouck, Auk, vi, Apr., 1889, 167, 168, part. — Palmer 

 (W.), ^uk, xvii, 1900, 221 (crit.); xviii, 1901, 197, in text (crit. nomencl.) 



(?) Si/li'la trichas (not Tardus trichas Linnieus) D'Orbigny, in La Sagra's Hist. 

 Nat. Cuba, Ois., 1839, 67. 



(?) (Te(jthl>/pis trichas Gundlach, Journ. fiir Orn., 1855, 472 (Cuba); 1861,326 

 (Cuba); 1872, 417 (Cuba); Repert. Fisico-Nat. Cuba, i, 1865, 236; Orn. Cuba, 

 1873, 69. 



Gcothlj/pis trichas Baird, Rep. Pacific R. R. Surv., ix, 1858, 241, part (Cape 

 Florida); Cat. N. Am. Birds, 1859, no. 170, part.— Allen, Bull. Mus. Comp. 

 ZooL, ii, 1871, 269, part (e. Florida).— Coues, Proc. Ac. Nat. Sci. Phila., 

 1871, 20 (Fort Macon, North Carolina, breeding; habits); Check List, 1873, 

 no. 97, part; 2d ed., 1882, no. 141, part; Birds N. W., 1874, 74, part; Birds 

 Col. Val., 1878, 309, part. — Baird, Brewer, and Ridgway, Hist. N. Am. 

 Birds, i, 1874, 297, part.— Ridgway, Norn. N. Am. Birds, 1881, no. 122, part.— 

 American Ornithologists' Union, Check List, 1886, no. 681, part. — Scott, 

 Auk, vii, 1890, 21 (Key West and Punta Rassa, Florida, winter). — Wayne, 

 Auk, xii, 1895, 365 (Wacissa R., n. w. Florida, breeding). 



[GcotJdi/pis'] trichas Coues, Key N. Am. Birds, 1872, 107, part. 



G^eothhipis] trichas Coues, KeyN. Am. Birds, 2d ed., 1884, 310, part. — Ridgway, 

 Man. N. Am. Birds, 1887, 523, part. 



[GeoUdypis trichas'] a. trichas Ridgway, Am. Journ. Sci., iv, Dec, 1872, 458, part. 



Gcothhjpis trichas var. trichas Ridgway, Am. Jour. Sci., iv, Dec, 1872, 458, part. 



[Geothlinns trichas'] A'ar. tricJias RiDCiWAY, in Baird, Brewer, and Ridgway's Hist. 

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



Trichas ma rilandica {not Sylvia inurilandicaWihon) Auduhon, Synojisis, 1839, 65, 

 part; Birds Am., oct. ed., ii, 1841, 78, part. 



Trichas marylandica Nuttall, Man. Orn. U. S. and Can., 2d ed., i, 1840, 454, part 

 (w. Florida). 



Tr[ichas] inarilandica Maximilian, Journ. fiir Orn., 1858, 118, part (Florida; 

 Louisiana). 



G\_i'othlypis] trichas occidentalis (not of Brewster) Ridgway, Man. N. Am. Birds, 

 1887, 523, part (Georgia). 



Geothlypis trichas occidentalis Beyer, Proc. Louis. Soc. Nat. for 1897-99 (1900), 115 

 (Louisiana, resident). 



Geothlypis triclias ignota Chapman, Auk, vii, Jan., 1890, 11 (Tarpon Springs, 

 Florida: coll. W. E. D. Scott). — American Ornithologists' Union, Check 

 List, 2d ed., 1895, no. 6816.— Ridgway, Man. N. Am. Birds, 2d ed., 1896, 608. 



GEOTHLYPIS TRICHAS OCCIDENTALIS Brewster. 

 WESTERN YELLOW-THROAT. 



Similar to G. t. hrachidactyla^ but wing- and tail long-er and colora- 

 tion brighter; adult male with space bordering posterior margin of 

 the black "mask" white, instead of pale gra3^ sometimes tinged with 

 yellow, especially on lower portion; yellow of under parts of a 

 distinctly warmer, more orange, hue; adult female averaging very 

 slightl}^ paler above, with yellow of under parts (when present) of a 

 more orange hue. 



Adult ?w«Z^.— Length (skins), 115-127 (120.S); wing, 55-60 (57.5); 

 tail, 51-56.5 (55.8); exposed culmen, 11-12 (11.3); tarsus, 20-22 (20.9); 

 middle toe, 13-14.5 (13.7).^ 



^Thirty-two specimens. 



