The Birds of Wyoming. 45 



223. Phalaropus lobatus (Linn.). 



Northern Phalarope, 



Migratory; not common. Williston reports having seen 

 two flocks of 75 birds each at Lake Como. They arrived May 

 18 and remained ten days. Rather common at Douglas, Jes- 

 urun. Uncommon at Cheyenne, Bond. Coues reports one 

 specimen from Big Sandy river, Wyoming. The University 

 has no data relating to this species. 



224. Phalaropus tricolor (Vieill.). 



Wilson's Phalarope, 

 Summer resident; common. Breeds in large numbers on 

 the Laramie Plains in marshy places. Arrives from the south 

 late in April or the first week in May. Williston found them 

 rather common at Lake Como, and states that they undoubtedly 

 breed. He took a specimen June 9th with a perfect tgg in 

 the oviduct. Drexel took this bird at Fort Bridger in 1858. 

 Common at Douglas, Jesurun. Common at Cheyenne, Bond. 

 Taken at Camp Carlin, Coues. There are seven skins in the 

 University collection that were taken May 23, July 28 and Sept. 

 31 in Albany and Carbon counties. 



AVOCETS. 



225. Recurvirostra americana Gmbl. 



American Avocet. 



Summer resident. Common about rather small alkali ponds. 

 They arrive on the Laramie Plains during the last week in 

 April and the first week in May and remain in flocks for a 

 short time, then separate and go to their nesting places ; usually 

 several pairs nest in the same locality. Williston found them 

 common and breeding at Lake Como. Common at Cheyenne, 

 Bond. Common about Douglas, Jesurun. Taken on Yellow- 

 stone river, Coues. Takerr at Fort Bridger, 1858, Drexel. 

 "They were quite numerous on the Yellowstone river above 

 the falls where the stream is wide and many were seen on the 

 shore of the lake, 1875," Grinnell. Four specimens taken on 



