BIEDS OF NORTH AND MIDDLE AMERICA. G09 



Trochilus (Sdosphorus) sdnlilla Gould, Proc. Zool. Soc. Loud., 1850, 1G2 (Volc:iu 

 dc Chiriqui, 9,000 ft., Panamd; coll. J. Gould). 



Selasphorus scintilla Gould, Mon. Troch., pt. iii, May, 1852; vol. iii, 1861, pi. 

 138; Introd. Troch., oct. ed., 1861, 89.— Cabanis, Journ. fiir Orn., 1863, 165 

 (Costa Rica). — Mulsant and Verreaux, Classif. Troch., 1866, 89; Hist. 

 Nat. Ois.-Mouch., ii, livr. 3, 1876, pi. 27; iv, livr. 2, 1877, 104, pi. 109 (Costa 

 Rica; Veragua). — Salvin, Proc. Zool. Soc. Lond., 1867, 155 (Volci'in de 

 Chiriqui); 1870, 209 (Volcan de Chiriqui); Cat. Birds Brit. Mus., xvi, 1892, 

 395 (Volcan do Irazii, Barranca, and Tucurriqui, Costa Rica; Chiriqui). — • 

 Lawrence, Ann. Lye. N. Y., ix, 1868, 123 (Barranca, Cervantes, and Las 

 Cruces de la Candelaria, Costa Rica). — Frantzius, Journ. fiir Orn., 1869, 315 

 (Costa Rica). — Boucard, Proc. Zool. Soc. Lond., 1878, 70 (Cartago and 

 Volcan de Irazu, 10,000 ft., Costa Rica); The Hum. Bird, ii, 1892, 73 (Vera- 

 gua); Gen. Hum. Birds, ii, 1895, 8 (Cartago; Chiriqui). — Elliot, Classif. and 

 Synop. Troch., 1879, 111.— Zeled6n, Cat. Aves de Costa Rica, 1882, 20; 

 Anal. Mus. Nac. Costa Rica, i, 1887, 121. — Salvin and Godman, Biol. Ceutr.- 

 Am., Aves, ii, 1892, 353. — Salvadori and Festa, Boll. Mus. Zool., etc., 

 Torino, xiv, 1899, no. 339, p. 7 (Chiriqui).— Bangs, Proc. New Engl. Zool. 

 Club, iii, 1902, 31 (Boqueto, Panamd, 4,000 ft.). — Carriker, Ann. Carnegie 

 Mus., vi, 1910, 548 (highlands of Costa Rica, above 3,500 ft.; habits). 



S[clasphorus] scintilla Cabanis and Heine, Mus. Ilein., iii, 1860, 56 (Veragua). — 

 Ridgway, Rep. U. S. Nat. Mus. for 1890 (1891), 340 (diagnosis, etc.).— 

 IIartert, Das Tierreich, Troch., 1900, 206. 



[Selasphorus] scintilla Reichenbacii, Aufz. der Colibr., 1854, 13; Troch. Enum., 

 1855, 10, pi. 853, figs. 5024-5026.— Bonaparte, Rev. et Mag. de Zool., 1854, 

 257.^ — Sclater and Salvin, Nom. Av. Neotr., 1873, 84. — Mulsant, Ann. 

 Soc. Linn. Lyon, n. s., xxii, 1876, 227.— Siiarpe, Hand-list, ii, 1900, 141. 



[Selasphorus riifus] var. scintilla Baird, Brewer, and Ridgway, Hist. N. Am. 

 Birds, ii, 1874, 459. 



Selasphorus (rufus, var.?) scintilla Baird, Brewer, and Ridgway, Hist. N. Am, 

 Birds, ii, 1874, 459, footnote. 



['Trochilus] scintilla Gray, Hand-list, i, 1869, 144, no. '1864. 



(?) Sclasj^horus undcrwoodi Salvin, Bull. Brit. Orn. Club, vi, no. xliv, April 30, 

 1897, p. xxxviii (Volcdn de Irazu, Costa Rica; coll. Salvin and Godman); 

 Ibis, 1897, 441 (reprint). — Carriker, Ann. Carnegie Mus., vi, 1910, 549 

 (Costa Rica; crit.). 



(?) [Selasphorus] undcrwoodi Suarve, Hand-list, ii, 1900, UJ. 



SELASPHORUS ALLENI Henshaw. 



ALLEN'S" HUMMING BIRD. 



Similar to S. rufus, but smaller and with rectrices much narrower 

 (the outermost much less than 2.5 wide in adult male, not more than 

 2.5 wide in adult female) ; adult male with upper parts (except U])per 

 tail-coverts and tail) metallic bronze-green (instead of cinnamon- 

 rufous), and rectrices next to middle pair tapermg gradually, without 

 note! I or sinuation near tip. 



Adult male. — Above metallic bronze-green, the feathers of rump 

 with basal portion (mostly concealed) deep cinnamon-rufous; upper 



a Named for Charles A. Allen, of Nicasio, California, who first called attention to the 

 specific distinctness of this s^^ecies from »S'. rufus. 



81255"— Bull. 50—11 39 



