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 Luis Potosi, 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 

 w^ith terminal third, or more, of outer web also brownish gray, and 

 with violet of crown slightly duller; length (skins), 116; wdng, 62-64.5 

 (62.8); tail, 43.5-45 (44.3); culmen, 24.'' 



Guatemala (Coban; Choctum; Chisec; Guatemala City) and Yuca- 

 tan (Izalam; Tizimln; La Vega). 



Ornismya pampa Lesson, Hist. Nat. Colibr., Suppl. Ois.-Mouch., 1830-31, 127, 

 pi. 15 ("Paraguay"; error); Index Gen. and Syn. Troch., 1832, p. vi 

 ("Paraguay"). 

 P[olytinus] pampa Gray, Gen. Birds, i, Dec, 1848, 107. 

 [Polytmus] pampa Gray, Hand-list, i, 1869, 125, no. 1568. 

 [Campyloptcrus] pamjm Bonaparte, Consp. Av., i, 1850, 71 ("Paraguay"). 

 Campylopterus pampa Bonaparte, Rev. et Mag. de Zool., 1854, 250. — Gould, 

 Mon. Troch., pt. x, 1855, pi. 43 (vol. ii, 1861, pi. 43), part (Guatemala).— 

 Sclater and Salvin, Ibis, 1859, 127 (Guatemala).— Salvin, Ibis, 1860, 260 

 (Cobdn, Guatemala). — Mulsant and Verreaux, Classif. Troch., 1866, 22, 

 part (Guatemala); Hist. Nat. Ois.-Mouch., i, livr. 2, 1874, 115, part (Guate- 

 mala). 

 Sphenoproctus pampa (not of Cabanis and Heine, 1860) Gould, In trod. Troch., 

 oct. ed., 1861, 51. — Mulsant, Ann. Soc. Linn. Lyon, xxii, 1876, 201. — 

 Elliot, Classif. and Synop. Troch., 1879, 23. — Boucard, Liste Ois. recol. 

 Guat., 1878, 44; Proc. Zool. Soc. Lond., 1883, 450 (Izalam and Tizimin, 

 Yucatan; habits); Gen. Hum. Birds, 1895, 349 (Guatemala).— Ridgway, 

 Proc. U. S. Nat. Mus., iii, 1880, 309 (Guatemala).— Salvin, Cat. Birds Brit. 



« Nearest terre-verte. ^ Ten specimens. <^ Three specimens. 



