Range.--Eastern North America, west to the Plains; breeds from New Jersey, Pennsylvania, and northern Illinois, north to Labrador and Manitoba; winters from Kansas, southern Illinois, and Massachusetts to Gulf States.

=542. Sandwich Sparrow= (_Passerculus sandwichensis_). L. 5.7; W. 2.9 A yellow line from the bill passing _over_ the eye; bend of wing usually tinged with yellow. _Ads._ Above streaked with black, chestnut and brownish gray; below white, (buffy in fall and winter), breast and sides streaked with black, the streaks narrowly margined with chestnut. _Notes._ Doubtless resemble those of No. 542a.

Color Key to North American Birds — Part 194

Range.--Northwest coast; breeds in western Alaska; winters south to northern California.

Color Key to North American Birds — Part 194

=542a. Savannah Sparrow= (_P. s. savanna_). Similar to No. 542, but smaller, W. 2.7; yellow line over eye shorter and less pronounced; bill smaller. _Notes._ Call a sharp _tsip_, frequently uttered; song, a weak, musical little trill following a grasshopperlike introduction, _tsip_, _tsip_, _tsip_, _sē-e-e-s'r-r-r_. (Dwight.)

Color Key to North American Birds — Part 194

Range.--Eastern North America, west to the Plains; breeds from northern New Jersey (rarely), eastern Long Island, and Missouri north to Labrador and western Hudson Bay; winters from Virginia and southern Illinois to Cuba and Mexico.

=542b. Western Savannah Sparrow= (_P. s. alaudinus_). Similar to No. 542a, but bill more slender, color averaging paler, the yellow line not passing _over_ the eye, less evident before it and often wholly wanting.

Range.--Western North America from the Plains west to the Sierra; breeds from Mexico City north to Alaska; winters from southern California southward.

=542c. Bryant Marsh Sparrow= (_P. s. bryanti_). Similar to No. 542b, but smaller, W. 2.6; colors much darker, streaks below heavier; yellow over eye more pronounced. A darker bird even than No. 542a, but with the bill slender as in No. 542b.

Range.--Resident in salt marshes about San Francisco and Monterey Bay; winters south to San Pedro (Grinnell); casually to Mexico City. (Ridgw.)

=543. Belding Sparrow= (_Passerculus beldingi_). L. 5; W. 2.5. _Ads._ Similar to No. 542c, but somewhat smaller, above darker and with a slight olive caste; underparts more heavily streaked.

Range.--Pacific Coast; salt marshes from Todos Santos Island, Lower California, north to Santa Barbara.