BIRDS — CERTHIADAE — SITTA PUSILLA. 377 
List of specimens. 
Catal. 
No. 
Sex. 
Locality. 
When collected. 
Whence obtained. 
Collected by — 
Length. 
Stretch 
Wing. 
6937 
818 
2073 
5280 
8890 
8889 
6838 
6839 
Selkirk Settlement. 
Carlisle, Pa 
do 
Oct. 19, 1842 
April 5, 1845 
185G 
Sept. 30, 1857 
.do. 
S. P. Baird 
do 
4. 10 
4. 58 
8. 50 
8. 12 
2. GO 
2. 58 
s 
Cedar island, Mo.. 
Black Hills, Neb 
do 
Lieut. Warren 
do 
do 
4.50 
4. 25 
8. 38 
7. 50 
2. 50 
2.57 
do 
do 
Sacramento valley. 
Lieut. Williamson. 
Dr. Heermann 
SITTA PUSILLA, Latham. 
Brown-headed Nuthatch. 
Sitta pusilla, Lath. Index Orn. I, 1790, 2G3.— Wilson, Am. Orn. II, 1810, 105; pi. xv.— Nuttall, Man. I, 1833, 
584.— Aud. Orn. Biog. II, 1834, 151 ; pi. 125.— Ib. Birds Amer. IV, 1842, 181 ; pi. 249— Bon. Obs. 
Wilson, 1825, No. 61.— Ib. Conspectus, 1850, 227. 
Sp. Ch. — Above ashy blue ; top of head and upper part of neck rather light hair brown, divided on the nape by white. Kyo 
involved in the brown, which is deeper on the lower border. Beneath muddy whitish ; sides and behind paler than the back. 
Middle tail feathers almost entirely like the back. Length of female 4 inches ; wing, 2|. 
Ilab.— South Atlantic (and Gulf?) States. 
Third, fourth, and fifth quills nearly equal, although the fourth is longest ; second shorter 
than seventh. Above ashy blue ; the top of the head and upper part of nape brown, the 
middle of the latter interrupted by a large whitish spot ; the lower edge of the brown involving 
the lower edge of the eye, and of a darker color than elsewhere. Chin and sides of head and 
throat below the brown white. Rest of under parts pale bluish ash, lighter than on the back, 
and tinged with dirty white on the throat, breast, and middle of abdomen. No white markings 
on the wings. Feathers of tail tipped with bluish ; innermost feather like the back ; others 
black ; the two outer with a subterminal bar of pale whitish. 
List of specimens. 
Catal. 
No. 
Sex. 
Locality. 
When collected 
Whence obtained. 
Collected by— 
Length. 
Stretch 
of wings 
Wing. 
2398 
Savannah, Ca 
S. F. Baird 
3086 
3090 
9 
<J 
Liberty county, Ga 
1846 
1846 
do 
W. L. Jones 
do 
4. 00 
4.40 
4. 20 
7. 50 
8. 00 
8.50 
2.50 
3091 
S 
1846 
2.70 
48 b 
