354 BULLETIN 50, UNITED STATES NATIONAL MUSEUM, 
KEY TO THE SUBSPECIES OF PAMPA PAMPA. 
a. Under parts drab-gray; pileum metallic violet; bill shorter (culmen averaging 24.5 
in adult male, 24 in adult female). (Guatemala to Yucatan.) 
Pampa pampa pampa (p. 354). 
aa, Under parts very pale gray or grayish white; pileum metallic blue or greenish 
blue; bill longer (culmen averaging 27.3 in adult male, 26.6 in adult female). 
(Vera Cruz, San Lufs Potosf, etc., to Campeche and Oaxaca.) 
Pampa pampa curvipennis (p. 355). 
PAMPA PAMPA PAMPA (Lesson). 
WEDGE-TAILED SABRE-WING. 
Adult male.—Pileum bright metallic violet or royal purple; rest of 
upper parts metallic green or bronze-green, the upper tail-coverts 
more bluish green; tail dull metallic bluish green,* passing into 
purplish black or blackish violet terminally, this occupying most of 
inner web (except on middle pair of rectrices), the outer web of 
lateral rectrix brownish gray in middle portion, dusky basally; 
remiges purplish dusky; under parts, including malar and _ loral 
regions, brownish gray or drab-gray, the auricular region similar but 
darker; a postocular spot of dull white; maxilla dull black; mandible 
brownish (in dried skins), dusky terminally; feet brownish (in dried 
skins); length (skins), 115-131 (123); wing, 66-72 (68); tail, 48-59.5 
(53.2); culmen, 23-25.5 (24.5).° 
Adult female.—Similar to the adult male, but two outer rectrices 
(on each side) broadly tipped with brownish gray, the outermost 
with terminal third, or more, of outer web also brownish gray, and 
with violet of crown slightly duller; length (skins), 116; wing, 62-64.5 
(62.8); tail, 43.5-45 (44.3); culmen, 24.° 
Guatemala (Cobain; Chocttim; Chiséc; Guatemala City) and Yuca- 
tan (Izalam; Tizimin; La Vega). 
Ornismya pampa Lesson, Hist. Nat. Colibr., Suppl. Ois.-Mouch., 1830-31, 127, 
pl. 15 (‘‘Paraguay”; error); Index Gen. and Syn. Troch., 1832, p. vi 
(‘‘ Paraguay”), 
Plolytmus] pampa Gray, Gen. Birds, i, Dec., 1848, 107. 
[Polytmus] pampa Gray, Hand-list, i, 1869, 125, no. 1568. 
[Campylopterus] pampa BONAPARTE, Corsp. Av., i, 1850, 71 (‘‘Paraguay”). 
Campylopterus pampa Bonaparte, Rev. et Mag. de Zool., 1854, 250.—Gounp, 
Mon. Troch., pt. x, 1855, pl. 43 (vol. ii, 1861, pl. 43), part (Guatemala).— 
SciaTer and Satvin, Ibis, 1859, 127 (Guatemala).—Satvin, Ibis, 1860, 260 
(Cobén, Guatemala)—Muusant and VERREAUX, Classif. Troch., 1866, 22, 
part (Guatemala); Hist. Nat. Ois.-Mouch., i, livr. 2, 1874, 115, part (Guate- 
mala). ; 
peace pampa (not of Cabanis and Heine, 1860) Goutp, Introd. Troch., 
oct. ed., 1861, 51—Mutsant, Ann. Soc. Linn. Lyon, xxii, 1876, 201.— 
Extiot, Classif. and Synop. Troch., 1879, 23.—Boucarp, Liste Ois. récol. 
Guat., 1878, 44; Proc. Zool. Soc. Lond., 1883, 450 (Izaldm and Tizimin, 
Yucatan; habits); Gen. Hum. Birds, 1895, 349 (Guatemala).—Ripeway, 
Proc. U. 8. Nat. Mus., iii, 1880, 309 (Guatemala).—Satvin, Cat. Birds Brit. 
@ Nearest terre-verte. b Ten specimens. ¢ Three specimens, 
