Throat yellow or orange Series VI.
Throat black, or mixed with black Series VII.
Series I.
7. D. olivacea. ♂. Head and neck, all round, fine light orange-rufous; a broad black “spectacle” along side of the head. ♀. Head yellowish, dusky on top; spectacle obsolete. Hab. Whole of Eastern Mexico; Guatemala.
Series II.
8. D. cærulescens. ♂. Head dark blue above and black underneath; a black patch covering whole lateral and under side of head and lateral lower parts. Rest of upper parts dark blue; bases of primaries and abdomen pure white. ♀. Above olive, with a light superciliary stripe; beneath wholly light greenish-buff; base of primaries white. Hab. Eastern Province of United States; in winter south into Cuba, Jamaica, and St. Domingo.
9. D. coronata. A yellow patch on each side of the breast; above ashy streaked with black; belly white. ♂. Breast more or less black; upper parts ash with a bluish tinge. ♀. Breast only streaked with black; ash of upper part grayish or brownish.
Throat white; a white superciliary streak; two white bands on wing. Hab. Eastern Province of North America, north to Alaska and Greenland; in winter south to Panama and West Indies (resident in Jamaica!) … var. coronata.
Throat yellow; no white superciliary streak; one white patch formed by the fusion of the two bands on the wing. Hab. Western Province of North America from British Columbia, south to Cape St. Lucas and Jalisco, Western Mexico; east to Rocky Mountains. … var. auduboni.