80 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



L[eptostoma] longicawda Swainson, Classif. Birds, ii, 1837, 325. — Gambel, Proc. 

 Ac. Nat. Sci. Phila., ii, 1843, 263 (California). 



Phasianus mexicanus (not of Gmelin?) Walden, Ibis, 1869, 338 (crit.). 



Geococq/x mexicanus (not Phasianus mexicanus Gmelin) Strickland, Ann. and 

 Mag. N. H., viii, 1842, 544 (crit.).— Cassin, Illustr. Birds Calif., Tex., etc., 

 1855, 213, pi. 36; Proc. Ac. Nat. Sci. Phila., 1863, 320 (California).— Heer- 

 mann, Rep. Pacific E. R. Surv., x, pt. iv, no. 2, 1859, 59 (California; habits).— 

 Sclater, Proc. Zool. Soc. Lond., 1857, 205 (Jalapa, Vera Cruz); 1864, 177 

 (City of Mexico); Cat. Am. Birds, 1862, 324 (n. Mexico).— Shelley, Cat. 

 Birds Brit. Mus., xix, 1891, 419 (Nuevo Leon; Sierra Madre, Xicotencal, Soto 

 la Maria, and near Tampico, Tamaulipas; San Salvador and Huezotzingo, 

 Puebla; Zapotlan, Jalisco). 



G[eococcyx] mexicanus Ghat, Gen. Birds, ii, 1847, 453. — Gambbl, Journ. Ac. Nat. 

 Sci. Phila., ser. 2, i, 1849, 215 (crit.; habits; food). 



[Geococcyx] mexicanus Bonaparte, Consp. Av., i, 1850, 97. — Gray, Hand-list, ii, 

 1870, 209, no. 8900. — Sclater and Salvin, Nom. Av. Neotr., 1873, 107.— 

 Shaepe, Hand-list, ii, 1900, 174. 



GEOCOCCYX AFFHTCS Hartlaub. 



LESSER ROADRUNNER. 



Smaller than O. calif ornianus, with under parts buff, median por- 

 tion (broadly) of foreneck and chest unstreaked, and under tail- 

 coverts dusky. 



Adults {.sexes alike). — Pileum black, slightly glossed with bronze- 

 gpeen, spotted with pale brownish buffy, the spots more numerous 

 and more transverse on forehead and anterior part of crown; hind- 

 neck brownish black, the feathers broadly edged with pale brownish 

 buffy; back and scapulars brown (mummy or prouts brown to nearly 

 seal brown), the feathers darker basally and sharply edged with pale 

 buff or buffy white, producing conspicuous streaks; wing-coverts 

 with a broad median streak of black passing into brown terminally 

 and very broadly edged with white or buffy white, the greater coverts 

 black very broadly tipped with white; proximal secondaries (ter- 

 tials) brown narrowly bordered with black, broadly and sharply 

 edged with white or white and brownish buffy; other secondaries 

 dull blackish glossed with bronze-greenish, edged (except toward base 

 and, on the distal ones, subterminally) with white or buffy white, the 

 outer web with a terminal spot of the same ; alulsB dull black medially, 

 broadly margined with white; primary coverts dull black basally, 

 terminal half (approximately) white; primaries dull black, obliquely 

 crossed near middle portion by a broad band of white composed of 

 edgings to outer web only (these longer and narrower on inner quills), 

 the outer webs broadly tipped with white; rump brown, the feathers 

 indistinctly tipped with paler, especially on lower part; upper tail- 

 coverts brown glossed with purplish bronze and sharply edged with 

 white; middle pair of rectrices brown glossed with purplish bronze 

 or bronze-purple (more rarely with greenish bronze) and edged with 

 white; next pair dusky olive glossed with greenish bronze and with a 

 small white terminal spot, the outer web narrowly edged with white- 

 remaining rectrices dull black, faintly glossed with greenish and" 

 tipped with white, the white tip increasing in width to the outermost, 



