. Handbook of birds of the western United States including the great plains, great basin, Pacific slope, and lower Rio Grande valley . 5. Crown plain gray maculosa, p. 415, Fig. 508. ^ • Crown gray with yellow patch. 6. Forehead and cheeks black. Arizona. nigrifrons, p. Forehead and cheeks not black. Western States. auduboni, p. Rump not yellow. 5. Crown chestnut palmarum, p. 422. 5. Crown gray streaked with black; superciliary and spot on lower eyelid yellow . graciae, p. 418. 1. Throat black, white, or brown. 2. Throat brown. olivacea, Throat black or white. Fig. SUU. 3
. Handbook of birds of the western United States including the great plains, great basin, Pacific slope, and lower Rio Grande valley . 5. Crown plain gray maculosa, p. 415, Fig. 508. ^ • Crown gray with yellow patch. 6. Forehead and cheeks black. Arizona. nigrifrons, p. Forehead and cheeks not black. Western States. auduboni, p. Rump not yellow. 5. Crown chestnut palmarum, p. 422. 5. Crown gray streaked with black; superciliary and spot on lower eyelid yellow . graciae, p. 418. 1. Throat black, white, or brown. 2. Throat brown. olivacea, Throat black or white. Fig. SUU. 3. Throat black. 4. Sides of head black, or black and white. 5. Sides of head black. Eastern United States. caerulescens, p. 412. 5. Sides of head black and white, nigrescens, p. 418. 4. Sides of head partly or wholly Fig. 511. /0 ^^^m 5. Sides of head wholly iMirill ) occidentalis, p. 421. Fig. 512. 5. Sides of head not wholly yellow. 6. Sides of head marked with olive. Eastern UnitedStates virens, p. 420.
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