BIRDS OP NORTH AND MIDDLE AMERICA. 451 



SAUCEROTTIA BERYLLINA VIOLA (Miller). 



VIOLACEOUS HUMMING BIRD. 



Similar to S. h. heryllina, but upper tail-covsrts decitledly violet 

 or bluish violet, middle rectrices more ]Hir})lisli bronze (sometimes 

 violet), and abdomen usually much less cmnamomeous (bully gray- 

 ish or cinnamon-grayish). 



Adult moZ^'.— Length (skins), 92-100 (97); wing, 52-57.5 (55.5); 

 tail, 27.5-32.5 (31.2); culnien, 18-20.5 (19.1). « 



Adult fc male. —Lengi\\ (skms), 91-100 (97); whig, 50.5-55.5 (53.9); 

 tail, 28.5-31.5 (30.8); culmen, 19-21 (20).'' 



Western Mexico, in States of Smaloa (Plomosas; Mount Lisiar- 

 raga; Jalpa; Los Pielas; Los Limones; La Balla; C'hoix), Jalisco 

 (Tonila; Bolanos; Zapotlan; San Marcos; Beltran; A'olcan de C'olima), 

 Michoacan (Patzcuaro; Los Reyes), and Guerrero (Omilteme; El 

 Rhicon; Acahuitzotla ; Cliilpancingo ; Amula; Xautipa) and Territory 

 of Tepic (Sierra Madre; Sierra de Tepic; Tepic; San Bias; Huayimo). 



Amazilia heryllina (not Trochilus heryllinus Lichtenstein) Salvin, Cat. Birds 

 Brit. Mus., xvi, 1892, 209, part (Choix, Sinaloa; San Bias, Tepic, Huayimo, 

 etc., Tepic; Bolanos, Zapotlan, Tonila, San Marcos, Beltran, and Volcdn de 

 Colima, Jalisco; ChiIj)ancingo, Xautipa, Amula, and Omilteme, Guerrero).— 

 Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1892, 295 (localities in 

 Sinaloa, Tepic, Jalisco, and Guerrero). — Hartert (p]. and C)., Novit. Zool., 

 i, 1895, 20 (Chilpancingo, Guerrero, 5,000-7,000 ft.; descr. nest and eggs). 



Amizilis heryllina viola Miller (W. De W.), Bull. Am. Mus. N. H., xxi, Nov. 

 24, 1905, 353 (Jalpa, Sinaloa; coll. Am. Mus. N. H.). 



SAUCEROTTIA SUMICHRASTI (Salvin). 



SUMICHRAST'S HUMMING BIRD. 



Adult male. — Above bright metallic grass green, darker on pileum, 

 more golden or bronzy on rump and upper tail-coverts; tail bright 

 metallic coppery bronze; remiges purphsh dusky, with basal por- 

 tion of secondaries and inner (proximal) primaries chestnut; under 

 parts bright metallic grass green, more brilUant on throat and chest, 

 where the feathers are white basally; under tail-coverts pale rufous; 

 maxilla black, mandible flesh color mth blackish tip; length (skin), 

 96; wing, 53; tail, 30.5; culmen, 23.'= 



Southern Mexico, in State of Oaxaca (Santa Efigenia, Tehuantepec). 



Amazilia sumichrasti Salvin, Ann. and Mag. N. H., vii, 1891, 376 (Santa Efigenia, 

 Oaxaca; coll. Salvin and Godman); Cat. Birds Brit. Mus., xvi, 1892, 213, 

 661, pi. 7, fig. 2. — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1892, 

 298.— Boucard, Gen. Hum., Birds, 1895, 205. 



« Fourteen specimens. 



^ Ten specimens. 



c Unknown to me, the above description being adapted from those in the Biologia 

 Centrali-Americana and " Genera of Humming Birds, ' ' as cited below. The differences 

 from S. heryllina are not very obvious in the descriptions consulted. 



