Notes on the Plumage of North American Sparrows 



THIRTY-FIRST PAPER 

 By FRANK M. CHAPMAN 



(See I'rontispiece) 



8. Montana Junco {J unco hyemalis nwntanus). Resembles the Pink-sided 

 Junco (Fig. 3) in general color, but is darker and the crown is browner and less 

 clearly defined from the back. From the Slate-colored Junco, with which it is 

 sometimes found associated during migrations or in the winter, the Montana 

 Junco differs chiefly in its pinkish brown sides. This character is also shown 

 by some immature (usually female) specimens of the Slate-colored Junco, but 

 such specimens also have the breast heavily washed with brown, whereas in 

 montanus, the sides may be strongly pinkish brown and the breast compara- 

 tively clear gray. 



Range. — "Northern Rocky Mountains. Breeds in Canadian Zone from 

 southern Alberta south to northern Idaho and northwestern Montana; winters 

 south to Arizona, New Mexico, Chihuahua, and Texas, and east casually to 

 Kansas, Illinois, Indiana, Massachusetts, and Maryland." (A. O. U.) 



9. 'P'mk.-si&e&'^VLnco {J unco hyemalis mearnsi. Fig. 3). Distinguished by the 

 broadly pinkish brown sides, pale gray throat, and somewhat darker crown 

 which is clearly demarked from the brownish back. 



Range. — "Rocky Mountain region. Breed from southwestern Saskatche- 

 wan to southern Idaho and northern Wyoming; winters south through Wyo- 

 ming and Colorado to southern Arizona, southern New Mexico, and northeastern 

 Sonora." (A. O. U.) 



10. Ridgway's Junco {Junco hyemalis anneckns). Although included in 

 the A. O. U. 'Check-List' this is considered by Ridgway to be a hybrid between 

 Junco caniceps (Fig. i) and /. mearnsi (cf. BulL U. S., N. M., 50, I, p. 276) 



Range. — "Wyoming, Colorado, Arizona, and New Mexico." (A. O. U.) 



11. Townsend's Junco (Junco hyemalis knvnsendi). Resembles the Mon- 

 lana Junco but has the back grayer, the brownish wash being much reduced 



Range. — "San Pedro Martir Mountains, Lower California." (A. O. U.) 



12. Baird's Junco (/m»co ftam//. Fig. 5). Back and sides rusty cinnamon 

 head gray, throat and breast grayish white. 



Range. — "Mountains of the Cape Region of Lower California." (A. 0. U.) 



13. Guadalupe Junco {Junco insular is. Fig. 4). Resembles the Pink- 

 sided Junco but is smaller, with a longer bill and darker head and breast. 



Range. — "Guadalupe Island, Lower California." (A. O. U.) 



14. Arizona Junco {Junco phmmotus palliatus. Fig. 2). Distinguished 

 among the 'red-backed' Juncos by the reddish brown on the wing-coverts and 

 tertials. According to Brooks ('Condor,' XVI, 1914, p. 116) this Junco has a 

 "brilliant yellow iris," while the upper mandible is "black" and the lower 

 jnandiblc "pale yellow." This author further states of this species: "Its motions 



(?9) 



