PASSERESTROGLODYT1DAE SALPINCTES OBSOLETUS. 179 



beiy ; and, in the fall, the thickets bordering the streams are frequently 

 resorted to by them. Their loud, harsh notes and active, sprightly motions 

 are always sure to attract the attention of even the casual observer. 

 Though somewhat inquisitive, they are less so than most of this family, and, 

 when they find themselves observed, skulk away into the shelter of the 

 brush or behind the rocks. They go in small companies, or what would 

 appear to be families ; and, very likely, the relationship is really thus 

 intimate, the broods remaining intact and not scattering, as is usually the 

 case. 



SALPINCTES OBSOLETUS (Say). 

 Rock Wren. 



Troglodytes obsoletus, SAY, Long's Exped., ii, 1823, 4 (South Fork of the Platte). 

 WOODH., Sitgreave's Exp. Zufii & Col. Eiv., 1854, 66. NEWS., P. E. K. 

 Eep., xi, 1857. 80. HEERM., P. E. E. Rep., x, pt. iv, 1859, 41. 



Salpinctes obsoletus, BD., Ives' Col. Exped., 1857-58, pt. iv, 6. /</., Birds N. A., 1858,357. 

 Id., U. S. & Mex. Bound. Surv., ii, pt, ii, 1850, Birds, 13. Id., Proc. Acad. Nat. 

 Sci. Phila,, 1859, 191 (Fort Tejon, Cal.). HENRY, Proc. Acad. Nat, Sci. 

 Phila., 1859, 107 (New Mexico). HAYD., Trans. Am. Phil. Soc., xii, 1862, 

 163. BD., Eev. Atn. Birds, i, 1864, 110. COUES, Proc. Acad. Nat. Sci. 

 Phila., I860, 77 (Fort Whipple). Id., ib., 1868, 83. COOPER, Am. Nat., iii, 

 1869, 297 (Upper Missouri); 73 (breediug at Fort Beuton). Id., Proc. 

 Cal. Acad., 1870, 75 (Colorado Eiver). Id., Birds Cal., l!S70, 64. STEV., 



