BIRDS—CERTHIADAE—SITTA PUSXLLA. 
377 
List of specimens. 
Catal. 
No. 
Sex. 
Locality. 
When collected. 
Whence obtained. 
Collected by— 
Length. 
Stretch 
of wings. 
Wing. 
C937 
Selkirk Settlement. 
Dr. Gunn_ 
818 
Oct. 19, 1842 
S. F. Baird. 
4. 16 
8. 50 
2 66 
2073 
_do_ 
April 5, 1845 
___ _do_ 
4. 58 
8. 12 
2. 58 
5280 
Cedar island, Mo.. 
1S56. 
Lieut. Warren_ 
Dr. Hayden_ 
8890 
Black Hills, Neb .. 
Sept. 30, 1857 
_do__ 
_do___ 
4. 50 
8. 38 
2. 50 
8889 
_do_ 
_ _ __do_ 
_..do_ 
_..do_ 
4. 25 
7. 50 
2. 57 
6838 
Sacramento valley. 
Lieut. Williamson. 
Dr. Heermann_ 
6839 
SITTA PUSILLA, Latham. 
Brown-headed Nuthatch. 
Sitta pusilla, Lath. Index Orn. I, 1790, 263.— Wilson, Am. Orn. II, 1810, 105; pi. xv.— Nuttall, Man. I, 1832, 
584.— Aud. Orn. Biog. II, 1834, 151 ; pi. 125.— Ib. Birds Amer. IV, 1842, 181 ; pi. 249-— Bon. Ohs. 
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. Eye 
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|. 
Hub. —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. Kest 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 suhterminal bar of pale whitish. 
List of specimens. 
Catal. 
No. 
Sex. 
Locality. 
When collected 
Whence obtained. 
Collected by— 
Length. 
Stretch 
of wings. 
Wing. 
2398 
Savannah, Ga_ 
S. F. Baird_ 
3086 
9 
Liberty county, Ga . . 
1846. 
W. L. Jones_ 
4. 00 
7 50 
2 50 
3090 
S 
1846. 
4 40 
8 00 
9 7^ 
3091 
s 
1846... 
4. 20 
8. 50 
2. 70 
48 b 
