8 



EXPLORATIONS AND SURVEYS WEST OF IOOTH MERIDIAN. 



SITTtDJE. 



Sitta carolinensiSy Gm., var. aculeata, Cass. Slender-billed Nuthatch. 



Sitta pygmcea, Vig. California Nuthatch. 



Both species seen upon a single occasion in the heavy pine timber of 

 the Wahsatch Mountains. 



TKOGLODYTID^E. 



Troglodytes cvdon, V., v&r.parJcmanni) And. Western House- Wren. 



Seldom seen and only in mountains; frequents brush-heaps and thick 

 undergrowth. Habits about same as eastern variety (cvdon}. 



Salpinctes obsolete*, (Say.) Bock- Wren. 



First seen at Gunnison, Utah, in September; and from this point 

 southward a gradual increase in numbers was noted, until at Toquer- 

 ville and Saint George hundreds were seen, chirping cheerily and enliv- 

 ening the bleak and desolate volcanic rocks with their agile movements. 



