FRINGILLIDiE — THE FINCHES. 57 
15 . Bill with the upper mandible black, the lower yellow. Ash of the 
jugulum fading gradually into the grayish-white of the abdomen. 
4. J. cinereus. Whole back, scapulars, wing-coverts, and tertials 
rufous. Hab. Mexico and Guatemala. (Mexican Junco .) 
Genus FOOSPIZA, Cabanis. (Page 52.) 
Common Characters. Lores and beneath the eye black, a white orbital ring, 
white spot above the lore (in bilineata continued back in a superciliary stripe) ; 
a white maxillary stripe. Lateral tail-feathers, with outer web, and terminal 
border of inner, hoary or pure white. Above uniform, without streaks. Be- 
neath white, with or without a black throat. Nest in bushes, near the ground ; 
eggs differing with the species. 
A. Throat black in adult ; sides not streaked. A continuous white super- 
ciliary stripe. 
1. P. bilineata. Black patch of throat covering jugulum, with a 
convex outline behind. Crown and back without streaks, concolored. 
Wing-coverts without white bands ; lesser coverts ash. Length, 5.40 ; 
wing, 2.75; tail, 2.85; bill, from nostril, .37; tarsus, .65. Eggs pure 
white, tinged faintly with blue. Hab. Middle Province of United 
States to Northern Mexico. (Black-throated Sparrow.') 
15. Throat white ; sides streaked. No white superciliary stripe. 
2. P. belli. A dusky spot in middle of the breast. Upper parts ashy, 
concolored, with indistinct streaks on the back. Wings somewhat more 
brownish, the coverts with two indistinct light (not white) bands. Eggs 
greenish-blue, with reddish-purple spots. 
Length, 5.70 ; wing, 2.50 ; tail, 2.50 ; bill, .31 ; tarsus, .74. Dorsal 
streaks obsolete. Hab. Southern California. (Bell's Sparrow.) var. belli. 
Length, 6.50 ; wing, 3.20 ; tail, 3.20 ; bill, .35 ; tarsus, .76. 
streaks distinct. 
Sparrow.) 
Hab. Middle Province of United States. 
var. 
Dorsal 
(Sage 
nev a den si. 
Genus SPIZELLA, Bonap. (Page 52.) 
Common Characters. Interscapular region with black streaks. Rump and 
lower parts without streaks (except in young). Wing with two narrow light 
bands (indistinct in atrigularis). Nest generally on bushes ; sometimes on ground, 
various. 
A. Crown different from the sides of the head, a plain light superciliary 
stripe. Young with crown and breast streaked. 
a. Crown rufous and plain in adult ; in young, grayish and with streaks. 
I. Streak behind eye , and tinge on side of breast , rufous. Egg pale blue , 
or bluish-white , blotched with pale brown, or sprinkled with reddish . 
1. S. monticola. Crown bright rufous, undivided medially; a 
dusky spot on lore ; wing-bands sharply defined, pure white. A 
black spot on breast ; jugulum tinged with ashy. Bill black 
above, yellow below. Length, 6.25 ; wing, 3,00. Nest more fre- 
quently on ground, always lined with feathers. Eggs light dull 
greenish ; covered uniformly with dots and marblings of foxy- 
brown. Hab. Whole of North America; north of the United 
States only, in summer. (Tree Sparrow.) 
