181 



iVo. Species. 



*i2. Progne subis (L.). 



"43. Petrdchelidon Itinifrons (Say) 



Centre of abundance during breeding season. 



Pineregion and adjoining 

 aspen woods ; occa- 

 sionally lower. 



Cliffs, everywhere below 

 the Alpine region. 



Caves everywhere. 



With P. subis. 



*U. Hirundo horreorum Bautr. 



*45. Tachycineta bicolor (Vieill.)- 



*4:G. Tachyeirieta thalassina (SwAixs.)- 1" cliffs with PamjpHla 



mdanoleuca ? occasion- 

 ally in holes with T. 

 bicolor and P. stibis? 



"47. Cotyle riparia (L ). 



Earth banks, valley por- 

 tions. 



^48. 

 "49. 



■oO. 



Sfcelgidopteryxserripennis(AuD.). With C. riparia. 



Vireosylvia gilva, 



var. SWAINSONI Baird. 



Lanivireo solitaria (Wils.), 

 va,. I'LUMiJEA Coues. 



51. Ampelis garrulis L. 



52. Ampelis cedrorum Vieill. 



*J3. Myiadestes Townsendii (Aud.). 



54. CoUurio borealis (Vieill.). 



*55. ColUirio Ludovieianus (L.), 

 var. E.YCunrroiiOiDES Swains. 



*5G. Pyranga Ludoviciana (Wils.). 



57. Hospsriphona vespertina, 



var. MONTANA Kidgw. 



58. Pinicola eaucleator (L.), 



var. "c vnadi:nsis liriss." 



*50. Cai'podacus Cassinii Baird. 



*G0. Carpodacus frontalis (Say). 



*6l. Chrysomitris pinus (Wils.). 



*G2. Chrysomitris tristis (L.). 



*63. Chrysomitris psaltria (Say). 



6t. Loxia ciirvirostra L., 



var. MEXICAN A Slrickl. 



Essex Inst. Bulletin. v 



All deciduous woods. 



Foot-hills with Ilelmia- 

 thophaga Virginia;. 



Cedars of foot-hills and 

 rocky gorges. 



Open places at nearly all 

 altitudes. 



All wooded places, but 

 chierty lower part of 

 pine region. 



Cottonwoods at lower 

 edge of pine region. 



Valley portions and foot- 

 hills. 



Pine region and adjoin- 

 ing aspen woods. 



Valley portions. 



Foot-hills? 



16 



