PICARIAE— PIGIDAE— MELANERPES FORMICIVORUS. 



399 



Salt Lake City may be quoted in this connection. In Colorado, how- 

 ever, it appears to be general^ distributed, and in certain sections very 

 numerous ; thus, at Pueblo, Mr. Aiken obtained a large number of speci- 

 mens, and saw many of the birds about Pueblo. Dr. Rothrock also saw the 

 species in South Park in July at an elevation of 10,000 feet, and again at 

 Twin Lakes at the same height. It appears in Colorado only as a summer 

 visitant, all departing farther south in the fall. Mr. Aiken gives the date of 

 its arrival in El Paso County in spring as May 20. It seems strange that, 

 with so evident a proclivity for a warm climate, it should be wanting in 

 Arizona ; yet, so far as I am aware, it has never been detected there ; cer- 

 tainly none have been found by our parties during their extended researches 

 in that Territory. 



MBLANERPES FORMICIVORUS (Swains.). 

 Calirornian UToodpecker. 



Picus formicivorus, Swains., Syn. Birds Mex. in Pliil. Mag., i, 1827,439 (Mexico).— 

 Heekm., Jour. Acad. ^nt. Sci. Phila., 2d series, ii, 1853, 270. 



Melanerpes formicivonis, Neavb., P. 11. R. Rep., vi, 1857, 90.— Bd., Birds N. A., 1858, 

 114.— Xantus, Proc. Acad. Nat. Sci. Phila., 1859, 190 (Fort Tejon, Gal.).- 

 Bd., U. S. & Mex. Boiuid. Snrv., ii, pt. ii, 1859, Birds, 6.— Heekm., P. R. R. 

 Rep., X, 1859, p. — (uestiug).— Henry, Proc. Acad. Nat. Sci. Pliila., 1859, 

 105 (New Mexico).— CoUES, Proc. Acad. Nat. Sci. Pliila., 18C6, 55 (Fort 

 Wlilpple, Ariz.).— Cooper, Birds Cal., i, 1870, 403.— Yarrow, Rep. Oru. 

 Specs., 1871, Wheeler's Exped., 1874, 30.- Henshaw, Rep. Orn. Specs., 

 1873, Wheeler's Exped., 1874, 134.— CouES, Key N. A. Birds, 1872, 19G. 



This woodpecker was first observed when we neared Camp Apache, and, 

 so far as my own observations go, its range in Arizona is coincident 



