BIRDS OF NORTH AND MIDDLE AMERICA. 448 



[Eemithylaca] niveiventris Heine and Reichenow, Nom. Mus. Hein. Orn., 1890, 



179 (Veragua). 

 Saucerottia niveiventris Sclater and Salvin, Proc. Zool. Soc. Lond., 1864, 365 



(Lion Hill, Panama). — Eudes-Deslongchamps, Ann. Mus. Caen, i, 1880, 429. 

 [Saucerottia] niveiventris Sclater and Salvin, Nom. Av. Neotr., 1873, 92. 

 S[aucerottea\ niveoventer Hartert, Das Tierreich, Troch., 1900, 54. 

 [Saucerottea] niveiventris Simon, Cat. Troch., 1897, 13. — Sharpe, Hand-list, ii, 



1900, 107. 

 Saucerottea niveoventer Bangs, Proc. New Engl. Zool. Club, iii, 1902, 29 (Boquete, 



Panama, 4,000 ft.); Auk, xxiv, 1907, 295 (Boruca, s. w. Costa Rica). 

 Saucerottia niveoventer Carriker, Ann. Carnegie Mus., vi, 1910, 528 (Boruca 



and Buenos Aires de Terraba, Costa Rica; habits). 

 Ariana niveiventris Mulsant and Verreaux, Classif. Troch., 1866, 36. 

 [Polytmus] niveiventris Gray, Hand-list, i, 1869, 133, no. 1698. 

 Leucodora niveiventris Mulsant and Verreaux, Hist. Nat. Ois.-Mouch., i, livr. 



4, 1874, 313; iv, livr. 3, 1878, 184. 

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

 Amazilia niveiventris Elliot, Classif. and Synop. Troch., 1879, 222. — Zeledon, 



Cat. Aves de Costa Rica, 1882, 21. — Salvin, Cat. Birds Brit. Mus., xvi, 



1892, 221.— Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1892, 302.— 



BoucARD, The Hum. Bird, ii, 1892, 81; Gen. Hum. Birds, 1895, 202. 

 A[mazilia] niveoventer Ridoway, Rep. U. S. Nat. Mus. for 1890 (1891), 363 



(diagnosis, etc.). 



SAUCEROTTIA EDWARDI (Delattre and Bourcier). 



WILSON'S HUMMING BIRD. 



Similar to S. niveoventer but tail metallic bronze instead of violet- 

 blackish, and under tail-coverts rufescent, instead of grayish, 

 centrally. 



Adult 7nale. — Pileum, hindneck, and upper back metalHc green 

 (nearly grass-green) ; lower back and scapulars metallic bronze or 

 coppery bronze, the wing-coverts usually more decidedly coppery; 

 rump and upper tail-coverts much duller bronze; tail wholly metalhc 

 bronze or coppery bronze; remiges dark brownish slate or dusky, 

 faintly glossed with purphsh; malar, suborbital, and auricular 

 regions, chin, throat, sides of neck, breast, and sides bright metallic 

 green (yellowish emerald green), the feathers of cliin and throat 

 grayish white, those of other parts light brownish gray beneath 

 surface; abdomen, anal region, femoral tufts and lumbar tufts 

 wliite; under tail-coverts light grayish chestnut margined with paler; 

 maxilla dull black; mandible pale brownish or whitish (reddish in 

 life), dusky terminally; iris dark brown; feet dusky; length (skins), 



