132 PACIFIC COAST AVIFAUNA No. 14 



1!)12. yiirJii^' migration dates, in pla(,'es when' the liirds do not lirccd, are us 

 follows: Fort Keogh, May (5 and 10, 1889 (Thome, 1895, p. 217.) ; Miles City, ;'.Iay 

 4 and 9, 19()2 (Hedges, coll. Univ. Montana) ; Terry, May 10, 1897 (Cameron, 

 ]908a, p. 42); Great Falls, May 15, 1892, and Columbia Falls. May 15, 1895 

 (Cooke, 1913b, p. 237). 



Fall migration dates are as follows: Dawson Cbunty, August 27, 1904 

 ^Cameron, 1908a, p. 42); Miles City, September 20, 1900 (Hedges, coll. L. B. 

 Bishop); Gold Creek, August 27, 1910; and Sun River, September 19, 1911. 

 ?vone of these dates is from the breeding grounds, but possibly one from the 

 Rocky Mountains, August 23, 1874 (Coues, 1874b, p. 596), is, and indicates 

 about the date of departure. 



The only breeding records pertain to three nests found on Pipestone Creek, 

 Jefferson County, in 1910. These are as follows: One with four eggs June 18, 

 1910, from which the young emerged Jiuie 20, and one with three eggs June 

 19, and one with five eggs June 22. A young bird out of the nest was also 

 Found in this vicinity June 26 (Sanndei's. 1910d, p. 198). 



249. Melospiza g-eorgiana (Latham) 



SWA.MI' Si'AKKOW 



A rare migrant or winter visitor in the eastern part of the st:itr. Four \iird\ 

 taken at Miles City by C. F. Hedges: February 17. 1900, one (coll. Fiiiv. .Mon 

 tana), October 2, 1919, two, and Octol)er 24, 1919, one. Two more western rei-- 

 ords are as follows: Flathead Lake, oiu' young bird, doubtfully identified, 

 taken August 11, 1904 (Silloway, 1901a, p. 64) ; Elk Park, Silvei- Px.w County, 

 one seen September 8, 1910 (Saunders. 1912a, ]). 29). 



250. Passerella iliaca iliaca (Merrem) 



Eastern Fox Sp.srrow 

 A I'arc uiigrant, chiefly in the eastern part of the state, ranging west to 

 the fool hills of the mountains. There are Hiree records. Fort Custer, one taken 

 Ortoli' r 8. 1885 (Bendire, 1889b, p. 109) ; Gre-"* Falls, a rare migrant in spring, 

 two or three taken, one on IMay 9, 1887 (Williams, ISSSa, p. 18) ; Hannan Gulch. 

 Sun River. Teton County, one si'en October 18, 1911 (Saunders. 1914a. p. 139). 



251. Passerella iliaca schistacea Baird 



Slate-C(U.()red Fox Sparrow 



A conunon siunmer resident in the western half of the state in the moun- 

 tains. Breeds in dense willow thickets along streams in the upper Transition 

 and lower Canadian zones. Where the proper conditions prevail this species is 

 often abundant locally, but it is rare in other localities, and has not been noticed 

 by man.y observers. It has not been recorded east of the mountainous section of 

 the state. Specific points of occurrence are as follows: Flathead Lake, taken 

 at Echo Lake, July 3, 1900 (Silloway, 1901a, p. 64) ; Gallatin County, abundant, 

 breeding both in the mountains and in the highei' parts of the Gallatin Valley. 



