BIRDS OF NORTH AND MIDDLE AMERICA. 445 



[Leucodora] edwardi Mulsant, Ann. Soc. Linn. Lyon, xxii, n. s., 1876, 206. 



Saucerottia edvardi Sclater and Salvin, Proc. ZooL Soc. Lend., 1S64, 365 

 (Panama). 



S[aucerottea] edward Hartert, Das Tierreich, Troch., 1900, 54. 



Amazilia edwardi Mulsant and Verreaux, Classif. Troch., 1866, 35. — Elliot, 

 Classif. and Synop. Troch., 1879, 221. — Zeledon, Cat. Aves de Costa Rica, 

 1882, 21; AnaL Mus. Nac. Costa Rica, i, 1887, 122.— Salvin, Cat. Birds 

 Brit. Mus., xvi, 1892, 221 (Lion Hill, Panama, and Paraiso, Panama). — 

 Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1892, 302. — Boucard, 

 The Hum. Bird, ii, 1892, 81 (Veragua; Panamd); Gen. Hum. Birds, 1895, 202. 



A[mazilm] edwardii Ridgway, Rep. U. S. Nat. Mus. for 1890 (1891), 363 (diag- 

 nosis, etc.). 



Amizilis edwardi Bangs, Auk, xviii, Jan., 1901, 28 (San Miguel L, Panamd). 



SAUCEROTTIA CYANURA CYANURA (Gould). 



BLUE-TAILED HUMMING BIRD. 



Adult male. — Pileum, liindneck, back, scapulars, and lesser wing- 

 coverts deep metallic green; rump rather dull purplish bronze, deep- 

 ening into dark metallic bluish on upper tail-coverts; tail wholly 

 dark metallic violet-blue; remiges dusky, faintly glossed \vith viola- 

 ceous, the secondaries and imier primaries chestnut or rufous-chestnut 

 broadly tipped with violet-dusky; under parts mostly bright metallic 

 green (between grass green and yellomsh emerald green), sometimes 

 slightly broken by very narrow and indistinct dull whitish or pale 

 grayish margins to the feathers (especially on lower abdomen) and 

 by an exposure of the pale grayish basal areas and edgmgs to feathers 

 of throat; under tail-coverts rather dull steel blue or dark metallic 

 violet-blue, sometimes partly coppery bronze, narrowly margined 

 with pale grayish or light chestnut; femoral and lumbar tufts white; 

 maxilla dull black, mandible dull whitish (reddish in life?) with 

 dusky tip; iris dark brown; feet dusky; length (skins), 89-92.5 (91); 

 wing, 51-54 (52.9); tail, 27.5-30 (28.9); culmen, 18-19.5 (18.8). « 



Adult female. — Similar to the adult male, but duller in color, the 

 feathers of under parts, especially those of chin, throat, and chest, 

 usually narrowly margined with whitish, and those of chin and upper 

 throat showing more or less of the subterminal white, the lower abdo- 

 men mixed with dull buffy whitish, the under tail-coverts more gray- 

 ish, and rump duller, less purplish; length (skins), 87-89 (88); wing, 

 51; tail, 28-30 (28.7); culmen, 18.5-19 (18.8).^ 



Nicaragua (Realejo; Chontales; Volcan de Chinandega; Mata- 

 galpa; San Geronimo, Chinandega; boundary line between Nica- 

 ragua and Honduras, 180 miles from Pacific coast), and Costa Rica 

 (San Pedro). 



Amazilia cyanura Gould, Mon. Troch., pt. xviii, Sept., 1859 (vol. v, 1861), pi. 315 

 (Realejo, Nicaragua; coll. J. Gould). — Elliot, Classif. and Synop. Troch., 

 1879, 223, part (Nicaragua).— Salvin, Cat. Birds Brit. Mus., xvi, 1892, 212, 

 part (Realejo, Chontales, Volcdn de Chinandega, and Matagalpa, Nicaragua).— 

 Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1892, 297, part (Nicaraguan 

 localities). — Boucard, Gen. Hum. Birds, 1895, 206, part (Nicaragua). 



« Four specimens (three from Nicaragua, one from Costa Rica), b Three specimens. 



