BIRDS OF NORTH AND MIDDLE AMERICA. 447 
[Amazilia] cyanura ScuaTER and Satvin, Nom. Av. Neotr., 1873, 92, part (Guate- 
mala). > 
A[mazilia] cyanura Ripaway, Man. N. Am. Birds, 1887, 318, part (Guatemala); 
Rep. U. 8. Nat. Mus., 1890, 363, part (Guatemala). 
S[aucerottea] cyanura Hartert, Das Tierreich, Troch., 1900, 52, part (Guatemala). 
Saucerottea cyanura guatemale DEARBORN, Pub. 125 (Orn., i, no. 3), Field Mus. 
N. H., Nov., 1907, 97 (Mazatenango, Dept. Suchitepequez, Guatemala; coll. 
Field Mus. N. H.). 
SAUCEROTTIA DEVILLEI (Bourcier and Mulsant), 
DEVILLE’S HUMMING BIRD. 
Similar to S. beryllina beryllina, but primaries wholly dusky or 
with only the extreme basal (concealed) portion rufescent, and 
secondaries dusky for at least terminal half of exposed portion, 
abdomen usually (at least in adult males) wholly metallic green, 
and bronze color of tail usually more strongly purplish. 
Adult male.—Pileum, hindneck, back, and scapulars bright metallic 
green (nearly grass green), the pileum usually darker or duller; ramp 
olive-bronzy, bronze, purplish bronze, or purplish, deepening into 
more decided purple or violet-purple on upper tail-coverts; middle 
rectrices metallic purplish bronze (usually darker and more purplish 
terminally), the remaining rectrices dark chestnut or maroon mar- 
gined with metallic reddish or purplish bronze or bronze-purple;4 
remiges dusky, faintly glossed with violet, the basal half of exposed 
portion of secondaries chestnut, the extreme basal portion of inner 
primaries sometimes tinged with the same; under parts, including 
abdomen, mostly bright metallic green (between grass green and 
yellowish emerald green); under tail-coverts light chestnut or vina- 
ceous-chestnut, usually indistinctly margined with paler; femoral and 
lumbar tufts white; maxilla dull black, mandible whitish (reddish in 
life) with dusky tip; iris dark brown; feet dusky; length (skins), 
86-100 (92); wing, 49-55.5 (52.6); tail, 29-31 (30.2); culmen, 17-20 
(18.5). 
Adult female—Similar to the adult male, but duller in color, 
especially the under parts, the lower abdomen sometimes pale buffy 
grayish; the under tail-coverts paler and more grayish chestnut, with 
(usually) broad and distinct whitish margins, and green of under 
parts broken by narrow pale grayish or dull whitish margins to the 
feathers, as well as whitish on basal and lateral portion of feathers 
on gular region; length (skins), 87-95 (91); wing, 51-53 (51.8); tail, 
29.5-30 (29.7); culmen, 26-27.5 (26.8).° 
@ In some specimens (possibly representing another form) all the rectrices, except 
sometimes the middle pair, are clear chestnut margined terminally, more or less 
broadly, with metallic golden, coppery, or purplish bronze. 
> Ten specimens. 
¢ Three specimens. 
