350 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
and Duefias, Guatemala; Chontales, Nicaragua?).—Satvin and Gopman, 
Biol. Centr.-Am., Aves, ii, 1892, 304, part (Jalapa; Santa Efigénia, Tapana, 
Tonila, etc., Oaxaca; Guatemalan localities; Volcan de San Miguél and La 
Libert4d, Salvadér; Chontales, Nicaragua). 
ANTHOSCENUS CONSTANT CONSTANTII (Delattre). 
CONSTANT’S STAR-THROAT. 
Adult male-—Above metallic bronze or bronze-green, somewhat 
duller on pileum, especially on forehead; rump with a longitudinal 
median patch or broad streak of white; middle rectrices usually 
dusky terminally, the other rectrices extensively blackish terminally, 
the inner web tipped with a spot of white; remiges brownish slate or 
dusky, faintly glossed with purplish; a postocular spot and a con- 
spicuous rictal stripe dull white, the auricular, suborbital, and loral 
regions dusky; chin sooty or blackish; throat bright metallic red or 
purplish red (varying from orange-red or scarlet to rose-red),* the 
feathers narrowly margined terminally with pale grayish or dull 
whitish (invisible except when viewed from behind); under parts of 
body brownish gray (deep smoke gray or nearly mouse gray), fading 
to white on abdomen and anal and femoral regions; under tail-coverts 
pale gray basally, dusky subterminally Gn form of a V- or U-shaped 
bar), broadly white terminally; a large and conspicuous tuft of silky 
white feathers on sides, between flanks and back; bill dull black; iris 
dark brown; feet dusky; length (skins), 113-130 (119); wing, 63-70.5 
(66.9); tail, 28.5-37 (34.1); culmen, 33.5-36.5 (34.5).? 
Adult female.—Very similar to the adult male and not always dis- 
tinguishable, but usually (?) with the blackish of chin slightly more 
extended; length (skins), 113-128 (117); wing, 64-68.5 (65.7); tail, 
31-34 (32.6); culmen, 34-387.5 (35.5).¢ 
@ The more orange hue characterizes specimens in older or more worn plumage, the 
more purplish or rosy hue those in fresh livery. 
b Fifteen specimens. 
¢Ten specimens, from Costa Rica. 
Locality. Wing. | Tail. eset 
* iculmen. 
MALES, 
Ten adult males from Costa Rica..........--.22 20.02 e eee e eee eee eee ence ee eeee 68 34.4 35.2 
One adult male from Salvad6r........2..2.. 2. eee cece eee ee eee cee eee e cen eens 70 34.5 35.5 
Seven adult males from Guatemala...........2.. 22.0022 cece eee cece eee eee eens 64.9 33.7 33.3 
One adult male (A. c. leocadiz) from Chiapas. .............2-2 22.2 cece eee eee eee 65.5 33 35 
Fifteen adult males (A. c. leocadix) from Oaxaca, Guerrero, etc., Mexico........ 67.1 33 34.4 
FEMALES. 
Ten adult females from Costa Rica..........-.-.0 22.02 eee eee ee eee eee eee e eee es 65.7 32.6 35.5 
Two adult females (A. c. leocadiz) from Chiapas. .....--..---. 2.02.00 cece eee ees 59.5 30.2 34.2 
Three adult females (A. c. leocadix) from Guerrero, etc., Mexico................. 65 31.3 33.8 
With the exception of the type, which is said to be from Guatemala, all Guatemalan 
examples examined are much paler below than those from Costa Rica and Nicaragua; 
