BIRDS OF NORTH AND MIDDLE AMERICA. 633 
[Ornismya] colubris Mutsant, Ann. Soc. Linn. Lyon, n. s., xxii, 1876, 226.—Bov- 
caRD, Notes Troch. du Mex., 1875, 4. 
Me{llisuga] colubris SrepHens, Shaw’s Gen. Zool., xiv, pt. i, 1826, 247. 
Mellisuga colubris WoopHovuss, in Rep. Sitgreaves’ Expl. Zufii and Col. R., 1853, 
65 (Indian Territory; Texas). 
Mfellisuga] colubris Gray and MrrcHxtt, Gen. Birds, i, Dec., 1848, 113. 
Melisuga colubris Brewer, Proc. Bost. Soc. N. H., vii, 1860, 306 (Cuba). 
“Cynanthus colubris, Jarp[1nze], Nat. Libr. Humming-Birds, vol. ii, p. 143.” 
(Elliot.) 
Orthorhynchus colubris D’Orzieny, in La Sagra’s Hist. Nat. Cuba, Ois., 1840, 126. 
Archilochus colubris AmpRICAN ORNITHOLOGISTS’ UNION Commirrexr, Auk, xxvi, 
July, 1909, 298; 3d ed., 1910, 202.—Sransiuz, Auk, xxvi, 1909, 395 (central 
Alberta, rare). 
Trochilus aurigularis@ Lawrence, Ann. Lyc. Nat. Hist. N. Y., vii, 1862, 458 
(locality unknown; coll. U. 8. Nat. Mus.; =discolored alcoholic specimen). 
[Trochilus] aureigularis Gray, Hand-list, i, 1869, 136, no. 1746. 
T[rochilus] aureigularts Heine, Journ. fiir Orn., 1863, 208. 
ARCHILOCHUS ALEXANDRI (Bourcier and Mulsant). 
BLACK-CHINNED HUMMING BIRD. 
Adult male.—Above rather dull metallic bronze-green, darker and 
duller on pileum, the forehead sometimes dull dusky; remiges dark 
brownish slate or dusky, faintly glossed with purplish; tail (except 
middle pair of rectrices) bronzy purplish black; loral, suborbital, 
auricular, and malar regions, chin, upper throat, and sides of throat 
uniform opaque or velvety black; lower throat metallic violet or violet- 
purple, changing to black in position b; chest dull grayish white 
or very pale brownish gray, the under parts of body similar, but 
usually more decidedly grayish medially, the sides and flanks darker 
and glossed or overlaid with metallic bronze or bronze-green; under 
tail-coverts brownish gray (sometimes glossed with bronzy) centrally 
or medially, broadly margined with white; femoral tufts and tuft on 
each side of rump white; bill dull black; iris dark brown; feet dusky; 
length (skins), 80-88 (86); wing, 41.5-44 (42.7); tail, 23.5-28 (25.6); 
middle rectrices, 20.5-23.5 (21.9); exposed culmen, 18-20.5 (19.2).° 
Adult female.—Above rather dull metallic bronze-green, the pileum 
much duller, usually dull grayish brown or brownish gray, at least on 
forehead and crown; remiges dark brownish slate or dusky, faintly 
glossed with purplish; three outer rectrices (on each side) broadly 
tipped with white, the subterminal portion (extensively) black, the 
basal half (more or less) metallic bronze-green (sometimes grayish 
basally); under parts dull white or grayish white (more purely white 
on abdomen and under tail-coverts), the throat sometimes streaked 
or guttately spotted with dusky; femoral tufts and tuft on each side 
@Wrongly cited as ‘“‘Trochilus aureigaster (aureigula?)”’ in Hist. N. Am. Birds, ii, 
1874, 448, in text, and as ‘‘Trochilus aureigaster Lawrence, Ann. Lyc. N. Y., vii, 
p. 58" by Salvin in Cat. Birds Brit. Mus. 
6 Ten specimens. 
