PASSEEES PAEI U AE PAEUS MONTAN US. 



1(31) 



search, but have less of the rapidity of movement and nervous energy which 

 characterize other members of this group. They are less noisy, too ; their 

 notes, though Chickadee-like, being weaker and fainter, and not infrequently 

 one may, when watching one or two of these birds, find himself surrounded 

 by a large number, which have silently closed in around while he was 

 wholly unconscious of their presence. They are strictly arboreal, sharing 

 only to a slight degree the terrestrial habits which are common to the other 

 Titmice, especially of this genus. 



PAEUS MONTANUS, Gamb. 

 Mountain Chickadee. 



Partis niontamiH, GAME., Proc. Acad. Nat. Sci. Phila., April, 1843, liSO. WOODH., 

 Sitgreave's Exp. Zufli & Col. Eiv., 1854, G8. NEWB., P. E. l^. Rep., vi, 

 J857, 79. BD., Ives' Col. Exped., 1857-58, pt. iv, 0. !</., Birds N. A., 1858, 

 394. XANTUS, Proc. Acad. Nat. Sci. Phila., 1859, 191 (Fort Tejou, Cal.). 

 HEEEM., P. E. E. Rep., x, pt, iv, 1859, 42. HENRY, Proc. Acad. Nat. Sci. 

 Phila., 1859, 107 (New Mexico). COOP. & SUCKL., P. E. E. Rep., xii, pt. 

 ii, I860, l'J4. BD., Rev. Am. Birds, i, 1S6'4, 82. COOPER, Am. Nat., iii, 

 1809, 75 (Montana). STEV., U. S. Geol. Surv. Terr., 1870, 464. COOPER, 

 Birds Cal., 1870, 46. AIKEN, Proc. Bost, Soc. Nat. Hist., xv, 1872, 195. 

 MERRIAM, U. S. Geol. Surv. Terr., 1872, 672. COUES, Key N. A. Birds, 

 1872, 81. ALLEN, Bull. Mus. Comp. Zoo'l., iii, 1872, 174 (mountains of 

 Colorado). HENSU AW, An. Lye. Nat. Hist. N. Y., xi, 1874, p. 2. Id., 

 An. List Birds Utah, 1872, Wheeler's Exped., 1874, 40. YARROW & 



