Resembles the Pink-sided Junco but is smaller, darker and duller colored. They are common on the island where they nest in the pine groves, laying their first sets in February or March. The nests are like those of the genus and the eggs are greenish white, finely dotted with reddish brown at the large end. Size .77 × .60. 573. BLACK-THROATED SPARROW. _Amphispiza bilineata bilineata._ Range.--Breeds from central Texas to Kansas; winters in southern Texas and Mexico. This species is grayish brown above, with black throat, white superciliary and line on side of throat. This is a common species that nests on the ground or at low elevations in bushes, making their nests of weed stems and grasses. The three to five eggs are bluish white, unmarked and similar to those of the Bluebird but smaller. Size .72 × .55. 573a. DESERT SPARROW. _Amphispiza bilineata deserticola._ Range.--Southwestern United States from western Texas to southern California, and north to Colorado and Nevada; winters in Mexico. Like the last but paler above. An abundant bird among the foothills and on plains throughout its range. Found generally in sage brush and thickets where it nests in bushes or on the ground laying three or four bluish white eggs like those of the last. 574. BELL'S SPARROW. _Amphispiza belli._ Range.--Southern half of California and southward. These grayish, black and white birds are abundant in sage brush and thickets, nesting on the ground or at low elevations in bushes, and during May or June, laying from three to four eggs of a pale greenish white color, spotted and blotched with reddish brown and purplish. Size .75 × .60. [Illustration 353: Black-throated Sparrow.] [Illustration: Bluish white.] [Illustration: 573a--574.] [Illustration: right hand margin.] Page 352 574.1. Sage Sparrow. _Amphispiza nevadensis nevadensis._ Range.--Sage deserts of the Great Basin from Oregon and Montana, south to Mexico. This sub-species is abundant throughout its range where it nests near or on the ground, in or under bushes and generally concealed from view. The nests are made of grass and sage bark lined with fine grass; the eggs are like those of the last species, greenish white, spotted and blotched with shades of brown and purplish. 574.1a. GRAY SAGE SPARROW. _Amphispiza nevadensis cinerea._ Range.--A smaller and paler variety found in Lower California. The nests and eggs of this pale variety probably do not differ in any respect from those of the better known varieties. 575. PINE-WOODS SPARROW. _Peucæa æstivalis æstivalis._ Range.--Florida and southern Georgia. These birds are common in restricted localities in their range, nesting on the ground under bushes or shrubs; the nests are made of grasses and the four or five eggs are pure white with a slight gloss. Size .75 × .60. The birds are said to be fine singers and to frequent, almost exclusively, pine barrens. 475a. BACHMAN'S SPARROW. _Peucæa æstivalis bachmani._