40 PACIFIC COAST AVIFAUNA No. 14 



(GriniK'll, 1876, ]). 654). Central Montana, average April 6 (Cooke, 1906a, pp. 

 66-67). Teton County, April 9-23, 1912; October 24-31, 1911, and November 

 9-24, 1912 (Saunders, 1914a, p. 128). Bitterroot Valley, April 17-25, 1911, Apj-il 

 13-18, 1912, and April 19, 1913 (i^ailey, .AIS). Button, October 24, 1915, and 

 April 9-18, 1917 (UuBois, MS). Flathead Lake (Sloanaker, MS). Billings 

 (Thomas, MS). 



47. Chen hyperboreus nivalis (J. R. Forster) 



Greater Snow Goose 

 Five killed near Corvallis, Bitterroot Valley, from a flock oC about twenty 

 or twenty-five in the fall of 1915 by Mr. H. D. Hoblitt (Bailey, MS). Accord- 

 ing to statements of sportsmen this form has been shot on Flathead Lake and on 

 Lake Bowdoin in Phillips County, but specimens are not preserved (Sloanaker, 

 MS). 



48. Chen rossi (Cassin) 



Ivoss Goose 

 A fairly common migrant. Records are scattered over most of the state, 

 but the center of abundance seems to be just east of the mountains. Fort Keogh, 

 April 25, 1892 (Thorne, 1895, p. 212). Lewistown, March 14, 1903 (Silloway, 

 1903a, p. 15). Great Falls, a large flock, several thousand in number, remained 

 from April 17 to 26, 1885 (Williams, 1886, p. 274). Gallatin County (Saunders. 

 1911a, p. 33). Teton River, May 8, 1912 (Saunders, 1914a, p. 129). Average 

 arrival at Great Falls, April 7, at Columbia Falls, April 8. Latest date, centi-al 

 ^Montana, April 24. Fall dates: Columbia Falls, October 10, 1893, average 

 October 15, latest October 28, 1896 (Cooke, 1906a, pp. 69-70). Twelve at Hay- 

 cock Lake, Yellowstone County, September 1, 1917, and nine at Big Lake, Still- 

 water County, October 20, 1917 (Thomas, MS). 



49. Anser albifrons gambeli Ilartlaub 



White-fronted Goose 

 A fairly common migrant in the vicinity of Billings (Thomas, ]MS). There 

 seems to be no reason why this species should not be eonunon elsewhere in the 

 state, l)ut it has evidently been overlooked, this being the only locality Troin 

 V which it is i'ej)oi'ted. 



50. Branta canadensis canadensis (Linnaeus) 



Canada ({oosk 



Foi'inerly bi'cd 1 liroughoiit the stale, along I'ivei's and about lakes. Si ill 

 l)rec(ling in the more I'cniote localities, and a eonunon migrant e\'eiy w liei'e. 

 Breeding records: ("uster and Dawson counties, until 19(Mi (Caiiiei-on, 1907, 

 pp. 250-251) ; Fergus County (Silloway. l!)03a. p. 15) ; Lake I'.owdoin (Willelt. 

 1!)()7, |). 105); Marias River (Saunders, 1914a. |). 129); Flathead Lake (Sillo- 

 way, 1901 a, p. 40). Still l)i'eeding on some of the small islands of Flathead Lake, 

 up to 1!)15. Also repoi'tcd to breed at that time on islands in the Pend-Oreille 

 I\ivei', on tlu' boundary of Missoula and Sanders counties. 



