MELOSPIZA. 431 
f, Lighter colored, with ground-color of upper parts more 
or less distinctly grayish ; the streaks on chest brown- 
ish (rarely blackish). 
g. With shorter wing and tail, stouter bill, general tone 
of plumage more brown, and streaks both above 
and below broader ; length 6.00-6.75, wing 2.45- 
2.80 (2.60), tail 2.58-3.02 (2.75), culmen .50-.54 
(.52), depth of bill .27-.30 (.29), tarsus .81-.90 (.85). 
Eggs .79 X 59. Hab. Eastern United States and 
British Provinces, west to base of Rocky Moun- 
tains; breeding chiefly north of 40°, except east 
of Alleghanies. 
581. M. fasciata (GmeEL.). Song Sparrow. 
g*. With longer wing and tail, smaller and more slender 
bill, general tone of plumage more gray, and 
streaks, both above and below, narrower; length 
6.25-7.00, wing 2.52-3.05 (2.74), tail 2.58-3.05 
(2.91), culmen .49-51 (.50), depth of bill .26-.28 
(.27), tarsus .86-.93 (90). Hygs .79 x 58. Hab. 
Rocky Mountain district, west to Nevada, eastern 
Oregon, and eastern Washington Territory. 
5810. M. fasciata montana (Hensu.). 
(67.) Mountain Song Sparrow. 
f’. Darker, with ground-color of upper parts decidedly brown 
or olive, the dark streaks, both above and below, 
heavier and blacker. 
g. Thighs rather light grayish brown, or hair-brown ; 
spots on chest smaller and narrower, always 
distinct from one another. 
A‘. Larger, with stouter bill; length 6.25-6.50, wing 
2.45-2.80 (2.62), tail 2.68-3.14 (2.88), culmen 
.50-.59 (.53), depth of bill .26-.31 (.28), tar- 
sus .84-.94 (.90). Hggs .86 x .64. Hab. In- 
terior districts of California, including eastern 
side of Sierra Nevada. 
581c. M. fasciata heermanni (Bairp). 
Heermann’s Song Sparrow. 
h?, Smaller, with slenderer bill; length 4.70-5.75, 
wing 2.15-2.50 (2.35), tail 2.00-2.68 (2.44), 
culmen .50-.55°(.52), depth of bill .24-.28 (.26), 
tarsus .81-.89 (.86). Hggs .74 x 58. Had. 
Coast of California. 581d. M. fasciata sam- 
uelis (BairpD). Samuels’s Song Sparrow. 
g?. Thighs deep tawny- or umber-brown ; spots on chest 
larger and broader, often united into a large patch. 
