BIRDS OF NORTH AND MIDDLE AMERICA, 451 
SAUCEROTTIA BERYLLINA VIOLA (Miller), 
VIOLACEOUS HUMMING BIRD. 
Similar to S. b. beryllina, but upper tail-coverts decidedly violet 
or bluish violet, middle rectrices more purplish bronze (sometimes 
violet), and abdomen usually much less cinnamomeous (buffy gray- 
ish or cinnamon-grayish). 
Adult male-—Length (skins), 92-100 (97); wing, 52-57.5 (55.5); 
tail, 27.5-32.5 (31.2); culmen, 18-20.5 (19.1).¢ 
Adult female.—Length (skins), 91-100 (97); wing, 50.5-55.5 (53.9) ; 
tail, 28.5-31.5 (30.8); culmen, 19-21 (20).° 
Western Mexico, in States of Sinaloa (Plomosas; Mount Lisiar- 
raga; Jalpa; Los Pieles; Los Limones; La Balla; Choix), Jalisco 
(Tonila; Bolafios; Zapotlan; San Marcos; Beltran; Volcan de Colima), 
Michoacén (Patzcuaro; Los Reyes), and Guerrero (Omilteme; El 
Rincén; Acahuitzotla; Chilpancingo; Amula; Xautipa) and Territory 
of Tepic (Sierra Madre; Sierra de Tepic; Tepic; San Blas; Huayimo). 
Amazilia beryllina (not Trochilus beryllinus Lichtenstein) Satvin, Cat. Birds 
Brit. Mus., xvi, 1892, 209, part (Choix, Sinaloa; San Blas, Tepfc, Huayimo, 
etc., Tepic; Bolafios, Zapotlan, Tonila, San Marcos, Beltran, and Volcén de 
Colima, Jalisco; Chilpancingo, Xautipa, Amula, and Omilteme, Guerrero).— 
Satvin and Gopman, Biol. Centr.-Am., Aves, ii, 1892, 295 (localities in 
Sinaloa, Tepfc, Jalisco, and Guerrero).—Hartert (E. and C)., Novit. Zool., 
i, 1895, 20 (Chilpancingo, Guerrero, 5,000-7,000 ft.; descr. nest and eggs). 
Amizilis beryllina viola MitteR (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 purplish dusky, with basal por- 
tion of secondaries and inner (proximal) primaries chestnut; under 
parts bright metallic grass green, more brilliant on throat and chest, 
where the feathers are white basally; under tail-coverts pale rufous; 
maxilla black, mandible flesh color with blackish tip; length (skin), 
96; wing, 53; tail, 30.5; culmen, 23.¢ 
Southern Mexico, in State of Oaxaca (Santa Efigénia, Tehudntepec). 
Amazilia sumichrastt Satvin, Ann. and Mag. N.H., vii, 1891, 376 (Santa Efigénia, 
Oaxaca; coll. Salvin and Godman); Cat. Birds Brit. Mus., xvi, 1892, 213, 
661, pl. 7, fig. 2—Satvin and Gopman, Biol. Centr.-Am., Aves, ii, 1892, 
298.—BovucarD, Gen. Hum., Birds, 1895, 205. 
* Fourteen specimens. 
+ Ten specimens. 
¢ 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. beryllina are not very obvious in the descriptions consulted. 
