30 PA(MFIC COAST AVIFAUNA No. 14 



]m't'd on Big Lake, Stillwater Coiiiity i 'I'lioinas. MS). The bird is eomiiion in 

 suuiiiier at Flathead Lake (Silloway, IDOIa, p. liH) and in Teton County (Saun- 

 ders, 1914a, p. 137), but is not known to breed at either place. 



This species has been reported from many localities in the state in migration, 

 indicating that it ranges practically throughout the state, but it may be more or 

 less replaced by callfoniirus west of the continental divide. Definite dates of 

 migration are few. TlicNe are Teton County, April IG, 1912, and November 19. 

 1912 (Saunders, 1914a, p. 127) and Helena, April 9, 1911. 



A winter record is that of a bird found dead at Lew istown, I) -iiibev :>1, 



1!)0,S (Silloway, 190:!a. p. 11 ). 



12. Larus franklini Richardson 



Fr.vnkljn Gui.i. 

 A lai'ge colony was bi'eeding on Big Lake, Stillwatei' County, in 1917. but 

 was not present in 191S (Thomas, .MS). This apjx'ars 1o be tlw only I'ccoi-d oi 

 this S])ecies in the state. 



L). Larus Philadelphia (Ord) 



BON,\P,\KTE Gl'LI, 



A rare migrant or erratic visitor in sunniier. Tlie only records ari' Custei' 

 and Dawson counties, August 12, 1904. and duly ;!1. 19()r) (Caiuei-on. 1907, p. 

 247); Teton County, a flock seen Octob,-r :il, 1912 (Saunders, 1914a, p. 127) 

 and Flathead Lake, where it is an uin'omnion migrant, Stanftn'd iiaving mounted 

 two in jiast years (Slnanaker, MS). 



14. Xema sabini (.1. Saliine) 



S.VBINE (ilU;!, 



One shot and twenty-five others seen at Terry, Custer Comity, Se[)tember 

 2:!, 1904 (Caiiici-on. 1!l(ir).-i. \>. IC). 



15. Sterna caspia Pallas 



C.^SPi.vx Tern 

 An adult male taken at Big l>ake. Stillwater County, May 1. 1917. Tiirei^ 

 others were seen at the s;ime time, anil several were seen in the spring of 1918 

 (Thomas, MS). 



16. Sterna forsteri Nuttall 



FdRSTEK Tern 

 One taken from a flock at Flathead Lake, August 213, 1900 (Silloway. 1901a. 

 p. 3S). One kiliiMJ by Dr. C. R. Thornton at Corvallis, Ravalli County, in the 

 snmirier of 1909 ( Hailcy. .MS), 'i'hirty seen in early spring about Toluea, Big 

 Horn County, in 1917, the last lea\ing late in Ajjril (Thomas, MS). 



17. Sterna hirundo Linnaeus 



Common Tern 

 Noted as abundant and nesting at Lake Bowdoin, near Jlalta, Phillips 

 County, June 2S, 190:i (WiUett, 1907, p. 105). 



