Index. 



Acanthis linaria, 122. 

 Accipiter, 61-62. 



atricapillus, 62. 



cooperi, 61. 



velox, 60. 

 iEchmophorus occidentalis, 25. 

 iEgialitis, 52-53. 



meloda circumcincta, 53. 



montana, 53. 



nivosa, 53. 



semipalmata, 53. 



vocifera, 52. 

 Aeronautes melanoleucus, 96. 

 Agelaius phceniceus, 114. 

 Aix sponsa, 34. 

 Ammodramus, 127. 



sandwichensis alaudinus, 127. 



sandwichensis savanna, 127. 

 Ampelis cedrorum, 141. 



garrulus, 141. 

 Amphispiza belli nevadensis, 134. 

 Anas boschas, 31. 

 Anser albifrons gambeli, 39. 

 Anthus, 149. 



pensilvanicus, 149. 



spragueii, 150. 

 Aphelocoma woodhouseii, 107. 

 Aquila chrysaetos, 68. 

 Archibuteo, 162. 



lagopus sancti-johannis, 162. 



ferrugineus, 162. 

 Ardea, 41-42. 



candidissima, 41. 



herodias, 42. 

 Ardetta exilis, 42. 

 Asio, 79-80. 



accipitrinus, 80. 



wilsonianus. 79. 

 Astragalinus, 123. 



psaltria, 123. 



tristis pallidus, 123. 

 Avocet, 45. 



American, 45. 



Aythya, 34-35. 



americana, 34. 

 afflnis, 35. 

 collaris, 35. 

 marila, 35. 

 vallisneria, 35. 



B 



Bartramia longicauda, 51. 



Birds, relation to agriculture, 8-23. 



Bittern, 41-42. 



American, 41. 



Least, 42. 

 Blackbird, 113, 114, 116, 160. 



Brewer's, 116. 



Red-winged, 114. 



Rusty, 160. 



Yellow-headed, 113. 

 Bluebird, 158. 



Chestnut-backed, 158. 



Mountain, 158. 

 Bobolink, 110. 

 Bonasa umbellus togata, 55. 



umbellus umbelloides, 55. 

 Botaurus lentiginosus, 41. 

 Branta canadensis, 39. 



canadensis hutchinsii, 39. 

 Bubo virginianus arcticus, 83. 



virginianus pallescens, 82. 

 Bunting, 137. 



Lark, 137. 



Lazuli, 137. 

 Bush-tit, 156. 



Lead-colored, 156. 

 Buteo borealis calurus, 64. 



borealis kriderii, 64. 



swainsoni, 65. 



Calamospiza melanocorys, 137. 

 Calcarius lapponicus alascensis, 125. 



ornatus, 126. 

 Calidris arenaria, 49. 



