Family TROGLODYTID^]. Genus 



THRYOMANES. 



TROGLODYTES. 



NANNUS. 



CISTOTHORUS. 



TELMATODYTES. 

 Family CERTHID^E. Genus 



CERTHIA. 

 Family PARID^E. Genus 



SITTA. 



B^EOLOPHUS. 



PENTHESTES 



AURTPARUS. 

 Family SYLLVIID^J. Genus 



REGULUS. 



POLIOPTILA. 

 Family TURDID^J. Genus 



HYLOCICHLA. 



PLANESTICUS. 



SAXICOLA. 



SIALIA. 



223 



Bewick Wren. 

 House Wren. 

 Winter Wren. 

 Short-bill Marsh Wren.. 

 Long-bill Marsh Wren, 



Brown Creeper. 



Nuthatches. 

 Titmice. 

 Chickadees. 

 Verdin. 



Kinglets. 

 Gnatcatchers. 



Thrushes. 

 Robins. 

 Wheatear. 

 Bluebird. 



