4. S. pallida.
Crown divided medially by a distinct pale stripe; whitish superciliary stripe, and blackish post-ocular streak sharply defined. A dusky sub-maxillary streak. Nape ashy in contrast with the crown and back. Wing, 2.50; tail, 2.40. Hab. Plains of United States, from the Saskatchewan southward … var. pallida.
Crown without a distinct median stripe. Markings on side of head not sharply defined. No dusky sub-maxillary stripe, and nape scarcely different from crown and back. Wing, 2.50; tail, 2.60. Hab. Middle and western Provinces … var. breweri.
B. Crown not different from the sides of head; no light superciliary stripe.
5. S. atrigularis. Head and neck all round, and rump, uniform dark ash, gradually fading into white on the abdomen; wing-bands indistinct; bill light brownish-red. Ad. Lores, chin, and upper part of throat black. Juv. without black about the head. (Eggs unknown.) Hab. Adjacent portions of Mexico and southern Middle Province of United States (Fort Whipple, Arizona, Coues; Cape St. Lucas, Xantus).
Spizella monticola, Baird.
TREE SPARROW.
Fringilla monticola, Gm. Syst. Nat. I, 1788, 912. Zonotrichia monticola, Gray, Genera. Spinites monticolus, Cabanis, Mus. Hein. 1851, 134. Spizella monticola, Baird, Birds N. Am. 1858, 472.—Coues, P. A. N. S. 1861, 224 (Labrador).—Cooper & Suckley, 203 (Washington Ter.).—Dall & Bannister, Tr. Ch. Ac. I, 1869, 285.—Cooper, Orn. Cal. 1, 206.—Samuels, 317. Passer canadensis, Brisson, Orn. III, 1760, 102. Fringilla canadensis, Lath. Index, I, 1790, 434.—Aud. Orn. Biog. II, 1834, 511; V, 504, pl. clxxxviii.— Max. Cab. Jour. VI, 1858, 280. Emberiza canadensis, Sw. F. B. Am. II, 1831, 252.—Aud. Syn. 1839.—Ib. Birds Am. III, 1841, 83, pl. clxvi. Spizella canadensis, Bon. List, 1838.—Ib. Conspectus, 1850, 480. Fringilla arborea, Wils. Am. Orn. II, 1810, 12, pl. xii, f. 3. Moineau du Canada, Buffon, Pl. Enl. 223, f. 2. “Mountain Finch,” Lath. Syn. II, I, 265.
Spizella monticola.