-£7- 
56. Yireo^^lsa gllva owalnsonl 
Western Warbling Yleeo. 
This Ylveo was fairly common among tho groves of Quaking aspens in the 
Chusoa ttlount^<in8 at an altitude of 9000feet* IW^les were singing on July?. 
69. Lanivireo solltariud olumbeua Coues. 
Plumbeous Vireo. 
One was seen on July 2 on the summit of the Ghusca Uountains. Mother 
was singing in the Pinyons near Ked Lake on July 4. 
60 • Dendroiott auduboni ( Townsend ) 
Audubon's Warbler. 
This Warbler was common among the Yellow Pines on the mesa of the 
Chusoa llountains. The males were singing constantly at this season and 
were found usually in the tops of the tallest trees whore they moved about 
in a slow and leisurely manner. Rains did not seem to daunt them as they 
contddnad to sing through the drlsssllng dovoipours that oame during the af- 
ternoons, thoggh other birds beoatoe siieiit. On July 2 I cuaie across a par- 
ty of siales working actively through the aspens south of 3e-e-kliet-hum-nez. ' 
These birds apparently were through breeding for this season. 
61. Pro soon tee nontanus (Townsend) 
Sage Thrasher. 
On© was seen below the Sousalu Buttes west of Crystal ou J\me 27. 
62, maus polyglottOB leuoopterus (Yigora) 
t 
/ Western Mooklng-bird. 
I 
■ A male was singing at Crystal on the morning of July 4. 
t 
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