162 



ZOOLOGY BIRDS. 



ters in vicinity of Camp Apache, being found here in quite large flocks in 

 November. 



SIALIA ARCTICA, Sw. 







Rocky Mountain Bluebird. 



Eri/tltaca (Sialia) arctica, SWAINS., Fn. Bor.-Am., ii, 1831, 20!), pi. xxxix. 



Sialia macroptera, BD., Staus. Rep. Exp. Great Salt Lake, 1852, 314. 



Kialia arctica, Wooon., Sitgreave's Exp. Zuui & Col. Riv., 1854, 08. BD., P. R. R. Rep., 

 Beckwitli's Route, x, 1857, 13, pi. xxxv. Id, Ives' Col. Exped., 1857-58, pt. 

 iv,5. Id, Birds N. A., 1858, 224. Id, U. S. & Mex. Bound. Surv., ii, ])t. ii, 

 1859, Birds, 9. KENNERLY, P. R. R. Rep., Whipp. Route, x, 1859, 24. 

 UEERM., P. R. R. Rep., x, pt. iv, 1859, 44. HAYD., Traus. Am. Phil. Soc., 

 12, 1802, 159. BD., Rev. Am. Birds, i, 18G4, 04. COUES, Proc. Acad. Nat. 

 Sci. Phiia., 1800, CO. COOPER, Am. Nat., iii, 1809, 32. Id, Birds Cal., 

 1870, 29. Id, Proc. Cal. Acad., 1870, 75. STEV., U. S. Geol. Surv. Terr., 

 1870, 403. YARKOW, Rep. Orn. Specs., 1871, Wheeler's Exped., 1874, 34. 

 YARROW & HENSHAW, Rep. Oru. Specs., 1872, Wheeler's Kxped., 1874, 7. 

 AIKEN, Proc. Bost. Soc. Nat. Hist., xv, 1872, 194, 071. MERRIAM, U. S. 

 Geol. Surv. Terr., 1872, 071. ALLEN, Bui. Mus. Comp. Zoiil., iii, 1872, 

 174 (mountains of Colorado, from plains to timber-line; O^den, Utah). 

 COUES, Key N. A. Birds, 1872, 70. HENSHAW, An. Lye. Nat. Hist. N. Y., 

 xi, 1874. Id., An. List Birds Utah, 1872, Wheeler's Exped., 1874, 40. Id, 

 Hep. Orn. Specs., 1873, Wheeler's Exped., 1874, 72, 98. ALLEN, Proc. Bost. 



