126 PACIFIC COAST AVIFAUNA No. 14 



The migrations of this subspecies take place iu April and from September to 

 November. In southwestern Montana it appears to be a little earlier in spring 

 and later in fall than mearnsi and montanus. Dates of migration are as follows : 

 Gallatin County, April 1 to May 8, 1909 ; Silver Bow County, March 10 to April 

 b, 1910; Helena, March 26, 1911; Anaconda, April 30, 1911; Missoula, March 1 

 (Kittredge, MS). Fall dates: Gallatin County, October 6 to November 17, 

 1908; Jefferson County, September 22 to October 13, 1909; Deer Lodge County, 

 October 14, 1910; Taylor's Fork, Gallatin County, September 7-8, 1890 (Rich- 

 mond and Knowlton, 1894, p. 306) ; Elk Park. Silver Bow County, September 

 8, 1910; Missoula, November 28 (Kittredge, MS). 



Winter records: Missoula, uncommon in winter (Kittredge, MS) ; Kalispell, 

 December 26, 1916 (Sloanaker, MS). The only x-ecord for eastern Montana is 

 from Miles City, January 15, 1900 (Hedges, coll. Univ. Montana). 



The only notes on nesting that relate to this form are of a nest and four 

 eggs found at Flathead Lake, July 9, 1902,(Silloway, 1901a, p. 35). Young out 

 of the nest seen nt :\Tissnul.T, l\l;iv 1 'i .iiid Jnur 13 rKittrrdn-f, M>^V 



Fig. -T. Nkht a.M) eous of M<int\x.\ Jim 

 Photo i!y A. D. Di'Bois. 



