48 PACIFIC COAST AVIFAUNA No. 14 



70. Micropalama himantopus (iionaparte) 



Stilt ,S.\ndpiper 

 Seven specimens taken August IB and 29, 1874, at a iwol at the l)as(' of tlii' 

 Rocky Mountains (Cones, 1874b, p. 6159). Tliis record is evidently from nortlici-n 

 Teton county, along the Canadian border. 



71. Pisobia maculata (Vieillot) 



Pectoral S.\ndpiper 

 A migrant, i)robal)ly thi-oughout the state, but records are lacking in many 

 places. Usually rather rare. Rocky Mountains and west of the Sweet Grass 

 Hills, August 11 to 16, 1874 (Coues, 1874b, p. 641) ; Custer County. October 18 

 and 21, 1905 (Cameron, 1907, p. 253) ; ]\Iiles City, August 14 and 15, 1900 (C. 

 P. Hedges, coll. Univ. Montana) ; Fergus County, common migrant, March and 

 April, and August to October. Dates: April 22, 1901 ; October 18, 1900. Win- 

 ter: February 22, 1903 (Silloway, 1903a, p. 18). Flathead Lake, August 23, 1914 

 (Saunders, 1915a, p. 114) ; Teton County, September 4, 1911 (Saunders, 1914a, 

 p. 130) ; Flathead Lake, 10 shot October 20, 1916 (Sloanaker, MS). 



72. Pisobia fuscicollis (Vieillot) 



WlIITE-RUMPED S.\NDPIPEE 



Two records from the Yellowstone River are all that are known at present. 

 Taken by Lieut. Warren's expedition, date not given (Baird, 1858, p. 723). 

 Above Fort Keogh, August 8 to 13, 1878 (McChesney, 1879, p. 2393). 



73. . Pisobia bairdi (Coues) 



B.\IRD S.VNDPIPER 



A rare .spring and abundant fall migrant throughout the state, in fall this 

 species is on the whole the most abundant of the migrant sandpipers. Spring 

 records: Fort Keogh, rare (Thome, 1895, p. 213) ; Bitterroot Valley, two. May 

 18*, 1913 (Bailey, 1913b, p. 184). Fall records: Head of Milk River, west of 

 Sweet Grass Hills, and Rocky Mountains, August 10 to 29, 1874 (Coues, 1874b, 

 p. 640) ; Forts Ellis and Gardiner in August (Grinnell, 1876, p. 652) ; Yellow- 

 stone and Musselshell in September (Allen, 1874, p. 66) ; Flathead Lake (Sillo- 

 way, 1901a, p. 41) ; Fergus County, September 1-15 (Silloway, 1903a, p. 18) ; 

 Teton County, August 13 to September 4, 1911 (Saunders, 1914a, p. 30) ; Bit- 

 terroot Valley, common fall migrant, August 5 to 7, 1911 (Bailey. MS). 



74. Pisobia minutilla (Vieillot) 



Least Sandpiper 

 A common migrant throughout the state. In most places found only in fall, 

 but in the eastern part more common in spring. Spring records: Custer and 

 Dawson counties. May 21, 1899, and common later (Cameron, 1907, p. 253) ; 

 Port Keogh, common in spring, few in fall (Thorne, 1895, p. 213) ; Corvaliii?. 

 two. May 12, 1912 (Bailey, MS). Fall records: West of Sweet Grass Hills. 

 August 9-11, 1873 (Coues, 1874b, p. 640) ; abundant at Fort Ellis, summer of 

 1875 (Grinnell, 1876, ]1. 652) ; I\liles City, si.x specimens dated August 14 to Sep- 



