442 
U. S. P. R. R. EXP. AND SURVEYS-ZOOLOGY-GENERAL REPORT, 
throughout, the commissure concave and slightly ainuated, the gonys straight. The claws are 
straighter, or less curved. In other respects of form, &c., there is a ver close relationship. 
Synopsis of the species. 
Back with well defined dark brown streaks. A yellowish superciliary streak from the hill, 
and a distinct median light line along the top of the head. Bill moderate. 
Superciliary stripe decided yellow throughout. 
Fore part of breast only streaked. Bill above, .40 ; wing, 2.65. P. savanna. 
Similar to last, hut larger and darker. Bill above, .50 ; wing, 2.95. 
P. sandwichensis. 
Breast and fore part of belly thickly streaked. Under parts with a reddish tinge. 
Bill, attenuated, .42; wing, 2.66. P. anthinus. 
Superciliary stripe pale, with little or no yellow. 
Fore part of breast sparsely streaked. Bill slender, elongated. P. alaudinus. 
Back grayish brown, with very obsolete and rather darker streaks. No distinct median light 
line on the crown. Bill enormously large... P. rostratus. 
Comparative measurements of species. 
Catal. 
No. 
Species. 
Locality. 
Sex. 
A 
to 
S3 
O 
Stretch of 
wings. 
Wing. 
Tail. 
Tarsus. 
Middle toe. 
Its claw 
alone. 
Hind toe 
and claw. 
Hind toe 
alone. 
Bill above. 
Along gape. 
Specimen 
measured. 
6339 
3 
5.30 
2.62 
2.27 
0.85 
0.79 
0.20 
0.60 
0.29 
0.50 
0 54 
6340 
.do 
3 
5.30 
2.82 
2.36 
0.89 
0.84 
0.20 
0.61 
0.28 
0.52 
0.56 
10145 
3 
5.40 
2.77 
2.29 
0.84 
0.80 
0.19 
0.64 
0.30 
0.40 
0.48 
10260 
.do. 
O 
5.40 
2.65 
2.13 
0.78 
0.76 
0.21 
0.61 
0.30 
0.41 
0.46 
780 
9 
4.84 
2.53 
2.14 
0.76 
0.73 
0.17 
0.60 
0.30 
0 39 
0 44 
780 
5.25 
8.57 
2.64 
781 
3 
5.06 
2.65 
2.12 
0.78 
0.78 
0.18 
0.62 
0.28 
0.40 
0.56 
10263 
5.30 
2.89 
2.37 
0 83 
0.78 
0.18 
0.66 
0.29 
0.39 
0.52 
6343 
3 
5.60 
2.80 
2.33 
0.86 
0.86 
0.24 
0.50 
0.52 
6343 
6.12 
9.25 
6345 
5.64 
2.95 
2.57 
0.85 
0.82 
0.22 
0.66 
0.34 
0.43 
0.48 
6345 
6.12 
9.37 
4341 
3 
5.00 
2.76 
2.30 
0.81 
0.78 
0.22 
0.62 
0.31 
0.42 
0 44 
4341 
3 
5.25 
9.00 
2.25? 
Fresh . 
5554 
3 
5.14 
2.90 
2.37 
0.84 
0.77 
0.18 
0.63 
0.30 
0.40 
0.45 
4342 
5.00 
2.50 
2 03 
0.77 
0.72 
0 19 
0.59 
0.28 
0.40 
0.44 
4342 
5.00 
8.50 
2.50 
Fresh ..... 
5555 
3 
5.00 
2.66 
2.24 
0 79 
0.76 
0.20 
0.62 
0 30 
0 42 
0.45 
6330 
.do. 
....do?. 
Benicia, Cal. . 
3 
4.90 
2.56 
2.00 
0.80 
0.78 
0.20 
0.62 
0.27 
0.42 
0.50 
Skin. 
PASSEECULUS SAVANNA, Bonap. 
Savannah Sparrow. 
Fringilla savanna, Wilson, Am. Orn. Ill, 1811, 55 ; pi. 22, f. 2.— Ib. IV, 1811, 72 ; pi. 34, f. 4. — Add. Orn. Biog. 
II, 1834, 63: V, 1839, 516 ; pi. 109, 
Passerculus savanna, Bon. List, 1838.— Ib. Conspectus, 1850, 480.— Cab. Mus. Hein. 1851, 131. 
Emberiza savanna, Aud. Syn. 1839, 103.— Ib. Birds Amer. Ill, 1841, 68 ; pi. 160. 
? Fringilla hyemalis, Gm. I, 1788, 922.— Licht. Verzeichniss, 1823, No. 250. Gmelin’s description, based on 
Pennant Arctic Zool, II, 376, (winter finch,) applies equally well to a large number of species. 
Linaria savanna, Richardson, List, 1837. 
