38 PACIFIC COAST AVIFAUNA No. 14 



latest s[)ring- datt'S in localities where the birds do uot breed are as follows: Clio- 

 teau, May 3, 1912 (Saunders, li)14a, p. 128), Lombard, April 23, 1909 (Saun- 

 ders, 1911a, p. 33), Great Palls, May 17 (Williams, 1888a, p. 16). Latest dates 

 iu the Bitterroot Valley are xMareh 7, 1911, Mareh 20, 1912, and April 3, 1913 

 (Bailey, JIS). 



39. Clangula islandica (Gmelin) 



BaHHIIW (ili|,DKN-KVp: 



i'.rceds rarely in the mountains of noi'thwesti^'n .Montana, and winters 

 rarel.y on rixcrvs. Breeding reeord : Chief ilountain Lake, now in Glacier Na- 

 tional Park, August 21, 1874; a female and brood of young secured (Coues, 

 1874b. p. 652). Winter record: Great Falls (Williams, 1888a, p. 16). A fall 

 migrant on the Yellowstone near Billings (Thomas, IMS). 



40. Charitonetta albeola (Linnaeus) 



Bl'FFLEriEAn 



A migrant throughout the state, rare in some localities, conuiion in others. 

 Breeds mainly along the northern border. Breeding records: Milk River 

 (Coues, 1874b, p. 653) ; Deep Creek, near Camp Baker (location now in Meagher 

 County), female and young secured (Grinnell, 1876, p. 654) ; Flathead Lake, 

 young bird taken July 30, 1901 (Silloway, 1901a, p. 40). A pair bred on the 

 Yellowstone within one mile of Billings, having eight young in tlie water .Line 

 12, 1917 (Thomas, MS). 



Recorded in migration from the following localities: Fort Keogh (Thome, 

 1895, p. 212) ; Fergus County (Silloway, 1903a, p. 14) ; Gallatin County (Saun- 

 ders, 1911a, p. 33) ; Bitterroot Valley, rare in fall (Bailey, MS), and as below. 

 Jligration dates: C'hoteau. April 17-.'\lay 14. 1(112, and November 9-24, 1912 

 (Saunders, 1914a, p. 128). 



Winter reeord: St. Mary's (now in northern Teton County, near the east- 

 ern border of Glacier National Park) December IS, 1853, taken l)y Dr. Suckley 

 (Baird, 1858, p. 798). 



41. Harelda hyemalis (Linnaeus) 



Old-sqtt.\w 



One, an adult female, shot on a slou.gh near Kalispell, December 5, 1917 

 (Sloanaker, MS). Two paii-s shot on Ilollings Lake, three miles east of Billings, 

 in October, 1916, are now mounted in a store in Billings (Thomas, MS). 



42. Histrionicus histrionicus (Linnaeus) 



IIari.ec^i'in Duck 



A rare summer resident in the mountains along streams and lakes. Fivi- 

 dentl.y most common in the northwestern part of the state. There appears to 

 be but one record of the species in migration. Records : Breeding at Chief 

 Moiintain Lake, August, 1874 (Coues, lS74b, p. 653). Two taken on a mountain 

 stream by G. H. Trook, ]\Tay 31, 1860 (Coues, 1874a, p. 579). While this latter 

 record is not definite as to loealit.y it is probably from the Big Horn Mountains, 



