a. Back and breast similar in color. Upper mandible much less deep than lower, the commissure concave.
3. C. versicolor. Back and breast dark wine-purple, occiput and throat claret-red, forehead and rump purplish-blue. Eyelids purplish-red. Female fulvous-gray above, uniform pale fulvous below. Hab. Northern Mexico, and adjacent borders of United States; Cape St. Lucas.
b. Back and breast very different in color. Upper mandible scarcely less deep than the lower, the commissure straight, or slightly sinuated.
4. C. ciris. Lower parts vermilion-red. Back green, crown blue; rump dull red; eyelids red. Female dull green above, light olivaceous-yellow
below. Hab. Gulf States of United States, and whole of Middle America.
5. C. leclancheri.[11] Lower parts gamboge-yellow. Back blue, crown green, rump blue; eyelids yellow. Female not seen. Hab. Southern Mexico.
Cyanospiza cyanea, Baird.
INDIGO BIRD.
Tanagra cyanea, Linn. Syst. Nat. I, 1766, 315. Emberiza cyanea, Gm. Syst. Nat. I, 1788, 876. Fringilla cyanea, Wilson, I, 1810, 100, pl. vi, f. 5.—Aud. Orn. Biog. I, 1832, 377; V, 503, pl. lxxiv. Passerina cyanea, Vieill. Dict. Spiza cyanea, Bon. List, 1838.—Ib. Consp. 1850, 474.—Aud. Syn. 1839, 109.—Ib. Birds Am. III, 1841, 96, pl. clxx. Cyanospiza cyanea, Baird, Birds N. Am. 1858, 505.—Samuels, 330. ? Emberiza cyanella, Gm. I, 1788, 887. ? Emberiza cærulea, Gm. Syst. Nat. I, 1788, 876. Indigo Bunting, and Blue Bunting, Pennant and Latham.
Sp. Char. Male. Blue, tinged with ultramarine on the head, throat, and middle of breast; elsewhere with verdigris-green. Lores and anterior angle of chin velvet-black. Wing-feathers brown, edged externally with dull bluish-brown. Female. Brown above; whitish, obscurely streaked or blotched with brownish-yellow, beneath; tinged with blue on shoulders, edges of larger feathers, and on rump. Immature males similar, variously blotched with blue. Very young birds streaked beneath. Length, about 5.75 inches; wing, nearly 3.00.