PASSERES TROGLODYTIDAE CATHERPES MEXICANUS. 181 



GATHERPES MEXICANUS (Swaius.), var. CONSPERSUS, Ridg. 

 White-throated Rock Wren. 



Catherpes mexicanus var. conspersus, RIDG., AID. Nat., vii, 1872, 2. BD., BREW., & 

 RIDG., N. A. Birds, i, 1874, 139, pi. viii, f. 4. YARROW & HENSHAW, Rep. 

 Om. Specs., 1872, Wheeler's Exped., 1874, 9. HENSHAW, An. Lye. Nat, 

 Hist. N. Y., xi, 1874, 3. Id., An. List Birds Utah, 1872, Wheeler's Exped., 

 1874, 41. Id., Rep. Orn. Specs., 1873, Wheeler's Exped., 1874, 101. 



Troglodytes mexicanus, CASS., Birds Gal. & Tex., 1854, 173, pi. 30. 



Catherpes mexicanus, BD., Birds N. A., 1858, 356. Id., Rev. Ain. Birds, 1864, 111. 

 XANTUS, Proc. Acad. Nat. Sci. Phila., 1859, 197. COTJES, Proc. Acad. Nat. 

 Sci. Phila., 1866, 77. COOPER, Birds Gal., i, 1870, 66. ALLEN, Bull. Mus. 

 Gomp. Zool., 1872, 175 (near Colorado City). COUES, Key N. A. Birds, 1872, 

 85. AIKEN, Proc. Bost, Soc. Nat. Hist, 1872, 196 (Middle Colorado). 



Much has recently been added to our knowledge of the range of this 

 species. By our parties it has been met with in Utah, Colorado, New 

 Mexico, and Arizona. In Utah, I only detected it in the extreme southern 

 portion of the Territory, and supposed this to be about its northern limit. 

 In Colorado, however, it extends several degrees farther north, and was met 



