The Birds of Wyoming. 14-9 



abundant observations on this variety. Living as it does in 

 dense thickets and being extremely shy accounts for so few 

 records. Jesurun reports it common at Douglas ; West has 

 presented the University with a specimen taken at Buffalo ; 

 the National Museum No. 38402 was taken at Laramie peak ; 

 Cary reports them from near Newcastle. I have observed 

 these birds in the following places : Sundance, Lander, Lin- 

 den, Guernsey, Horseshoe creek and Clear creek. 



685. Wilsonia pusilla (Wils.). 

 Wilson's Warbler. 

 Summer resident : not uncommon. Breeds from 7,000 to 

 9,000 feet. There are the following records : Drexel, Fort 

 Bridger ; Coues, Henry's Fork, Lower Geyser Basin and Te- 

 ton lakes; National Museum No. 87997 taken at Fort Fetter- 

 man by Shufeldt ; No. 8799 taken at Fort Laramie ; Bond, 

 Cheyenne ; Jesurun, Douglas. There are three skins in the 

 University collection that were taken in Big Horn, Albany 

 and Carbon counties respectively. I have observed this spe- 

 cies in the Bear Lodge, Absaraka and Big Horn mountains. 



687. Setophaga ruticilla (Linn.). 

 Redstart. 

 Summer resident ; not common. Reported by the follow- 

 ing collectors : Drexel, Fort Bridger; Coues (Harden '). Wind 

 river, La Bonte creek; Jesurun, Douglas; Bond, Cheyenne; 

 West, Buffalo ; Aiken, Sherman. There is a single specimen 

 in the University collection that was taken on the Laramie 

 mountains. 



WAGTAILS. 



697. Anthus pensilvanicus (Lath.). 

 Pipit. 



Probably a summer resident. They are quite abundant 

 in marshy places for the last week of April and the first two 

 weeks in May. No one has reported them breeding. There 



