10 EXPLORATIONS AND SURVEYS WEST OF TH MERIDIAN. 



MOTACILLIDvE. 



Anthus iudovicianus, (Gm.) Tit-Lark. 



Quite common in the latter part of summer and in fall in Eastern Ne- 

 vada and Middle and Southern Utah. 



SYLVICOLID^E. 



Dendroica ccstiva, (Gm.) Yellow Warbler. 



Very abundant at Provo in July, and is the common warbler of all 

 the settlements. 



Dendroica audubonii, (Towns.) A u il u rjon's Warbler. 



First seen on its way south upon the foot-hills near Gnnnison Valley. 

 Afterward met with at different points, usually in small flocks ; its 

 habits and call-notes resembling the common eastern Yellow-rump 

 Warbler. 



Geotlilypis trichas, (L.) Maryland Yellowthroat. 

 Tolerably abundant at Provo in July ; rather rare at other points. 



Geothlypis Philadelphia (Wils.), var. macgillivrqyi, And. MacGillivray's 



Warbler. 



Secured in mountains of Nevada during the latter part of August, 

 where it appeared tolerably common. Single specimen seen in Damill's 

 Canon, Utah, in August. 



Icteria virens (L.), var. longicauda Lawr. Long-tailed Chat. 



Common in thickets near Provo; shy and retiring in disposition. 

 Also noticed in Western Utah and Nevada. 



