BIRDS 01* l!^OtlTH AND MIDDLE AMERICA. 583 



Western United States and Canada; north to British Columbia 

 (Vancouver Island; "Westminster; "Westminster Junction; New "West- 

 minster; Mount Lehman; Ducks), Alberta (Rocky Mountains, lati- 

 tude 55°) and Manitoba (Forks of Saskatchewan; Oak Point, latitude 

 50° 30') ; eastward from Pacific coast to eastern border of the prairie 

 districts of the upper Mississippi "Valley (from Richland County, 

 Illinois,'* northward); southern breeding limit not ascertained, but 

 probably extending into northern Mexico; in winter nearly the whole 

 of Mexico, as far south as States of "Vera Cruz (Jalapa; Mirador; Las 

 Vegas; Tlalcotalpam), Puebla (Huachinango; Metlaltoyuca; Tehua- 

 can*); Oaxaca (Huajuapam), Guerrero (Tlapa), and Michoacan (Zamora; 

 Patzcuaro; Morelia*^). 



Troglodytes aedon (not of Vieillot) Swainson and Eichaedson, Fauna Bor.-Am., 

 ii, 1831, 316 (Rocky Mts., lat. 55°).— Sclater, Proc. Zool. Soc. Lond., 1859, 

 363 (Jalapa, Vera Cruz). — Heermann, Rep. Pacific R. R. Surv., x, pt. iv, 

 1859, 41 (California).— Hayden, Trans. Am. Philos. Soc, xii, 1863, 163 

 (Valley of Missouri R. ; Loup Fork of Platte R. ). — Holden, Proc. Bost. Soc. 

 N. H., XV, 1872, 196 (Colorado).— Allen, Bull. Mus. Comp. Zool., iii, 1872, 

 125 (Topeka, Kansas), 134 (Fort Hays, Kansas), 148 (Cheyenne, Wyoming; 

 Colorado City, Colorado), 155 (South Park, Colorado); Am. Nat., vi, 1872, 

 265, in text (Leavenworth), 270 (Fort Hays). — Snow, Birds Kansas, 1873, 

 6. — CouES, Birds Northwest, 1874, 32, part; Bull. U. S. Geol. and Geog. 

 Surv. Terr., iv, 1878, 554 (Red R., North Dakota, and west to Missouri 

 Coteau). — Bkewstee, Bull. Nutt. Orn. Club, vii, 1882, 82 (Tombstone, Ari- 

 zona; crit. ). — Allen and Brewstbk, Bull. Nutt. Orn. Club, viii, 1883, 155 

 (Colorado Springs, Colorado; crit.). — Beckham, Auk, ii, 1885, 140 (Pueblo, 

 Colorado). — Agbeseorg, Auk, ii, 1885, 278 (s. e. South Dakota, breeding). — 

 CooKE, Bird Migr. Miss. Val., 1888, 272 (n. to Oak Point, Manitoba, lat. 50° 

 30'; date of migration, etc.).— Chapman, Bull. Am. Mus. N. H., x, 1898, 23 

 (Jalapa, Vera Cruz; crit.), 39 (Las Vegas, Vera Cruz, 8,000 ft.; crit). 



ITroglodytes] aedon Sclater and Salvin, Nom. Av. Neotr., 1873, 7 (chiefly). 



T[roglodyies] aedon Nelson, Bull. Essex Inst., viii, 1876, 97, 152 (n. e. Illinois, 

 breeding) . 



Troglodytes ledon Woodhotjse, Sitgreaves' Rep. Expl. Zuni and Col. R., 1853, 67 

 (Indian Territory; Texas). — Kennicott, Trans. Ills. Agric. Soc, i, 1855, 

 583 (Illinois).— Pratten, Trans. Ills. Agric. Soc, i, 1855, 603 (Illinois).— 

 Baird, Rep. Pacific R. R. Surv., ix, 1858, 367, part (Loup Fork of Platte).— 

 Hoy, Ann. Rep. Smiths. Inst, for 1864 (1865), 438 (Missouri).— Trippe, 



« The occurrence, as a common summer resident, of only this form at the locality 

 mentioned, near the eastern border of Illinois, and of only T. a. aedon in Knox 

 County, Indiana, less than forty miles to the eastward, may possibly be explained 

 by the positively known fact that both are recent immigrants, neither having 

 occurred at the places mentioned previous to about 1870, Thryomanes beimcMi having 

 until then been the only "house wren " of that region. T. a. aedon has come from 

 the east or northeast, and T. a. parkmanni from the west or northwest, until they 

 have practically met (or perhaps by the present time overlapped) in the lower 

 Wabash Valley. 



>> Possibly breeding, a specimen taken May 4 being in the collection of the Bio- 

 logical Survey. 



c Possibly breeding, a specimen in worn summer plumage (unfortunately not 

 dated) being in the National Museum collection. 



