NORTH AMERICAN BIRDS. 
tinctly white, under tail-coverts ochraceous, and upper 
parts brownish gray. 
fi. Top of head only slightly, if at all, browner or more ru- 
fescent than back; wing 3.40-4.00 (3.59), tail 3.60- 
4.25 (3.88), culmen .60-.65 (.63), tarsus .95-1.05 (.99). 
Hab. Mexico, north nearly to United States boundary ; 
southern New Mexico? 
P. fascus Swains. Brown Towhee.! 
f?. Top of head conspicuously rufescent. 
g'. Larger, with less abrupt contrast between grayish 
(or dull whitish) of chest and buffy of throat; 
chest and sides usually less distinctly or less 
deeply gray; hinder portion of belly and flanks 
ochraceous, like under tail-coverts. Young: Above 
dull grayish brown, very indistinctly streaked 
with darker, the middle and greater wing-cov- 
erts edged and tipped with pale fulvous; lower 
parts dull white, changing to light fulvous on 
under tail-coverts, etc., the whole chest, breast, 
sides, sides of throat, etc., streaked with dusky. 
Length 8.10-8.80, wing 3.50-3.90 (3.73), tail 
4.20-4.50 (4.34), exposed culmen .55-.63 (.60), 
tarsus 1.00-1.09 (1.03). Hggs .97 x .68, white, 
greenish white, or dull bluish white, speckled 
or spotted round larger end with black and 
rich madder-brown. Hab. New Mexico and Ari- 
zona......... 591. P. fuscus mesoleucus (Barrp). 
Canon Towhee. 
g. Smaller, with more abrupt contrast between grayish 
of chest and buffy of throat (the latter often much 
palest posteriorly), chest and sides more distinctly 
or deeply gray; hinder portion of belly white, 
of flanks grayish; length about 7.90-8.25, wing 
3.40-3.70 (3.52), tail 3.85-4.25 (4.08), exposed cul- 
men .53-.59 (.56), tarsus .93-1.06 (1.01). Hogs .91 
 .65, greenish white or very pale greenish blue, 
speckled on or round larger end with black and 
dark brown, sometimes mixed with a few “pen- 
lines” of black. Hab. Lower California. 
591a. P. fuscus albigula (Barrp). 
Saint Lucas Towhee. 
é. Darker, with throat, etc., cinnamon-ochraceous or tawny, sides 
grayish brown, middle of belly dull whitish or pale dull 
1 Pipilo fuscus Swans., Philos. Mag. n. s. i. 1827, 434. 
