1921 



187 



INDEX 



Acanthis hornemanni exilipes, 110 



linaria holboelli, 111 



linaria linaria, 111 



linaria rostrata, 111 

 Accipiter cooperi, 61 



velox, 60 

 Actitis macularia, 52 

 Aechmophorus occidentalis, 26 

 Aeronautes raelanoleucus, 82 

 Agelaius phoeniceus arctolegus, 175 



phoeniceus caurinus, 101 



phoeniceus fortis, 100 

 Aix sponsa, 36 

 Ammodramus bairdi, 118 



savannarum bimaculatus, 119 

 Amphispiza nevadensis nevadensis, 128 

 Anas platyrhynchos, 33 

 Anser albifrons gambeli, 40 

 Antlius rubescens, 153 



spraguei, 153 

 Aphelocoma woodhousei, 174 

 Aquila chrysaetos, 64 

 Archibuteo ferrugineus, 63 



lagopus sancti-johannis, 63 

 Archilochus alexandri, 82 



colubris, 174 

 Ardea herodias herodias, 43 



herodias treganzai, 175 

 Asio flammeus, 68 



wilsonianus, 67 

 Astragalinus tristis pallidus, 112 



tristis tristis, 111 

 Astur atricapillus atricapillus, 61 



atricapillus striatulus, 62 

 Asyndesmus lewisi, 78 

 Avocet, 46 



B 



Baldpate, 34 



Bartramia longicauda, 51 



Bittern, 42 



Least, 42 

 Blackbird, Brewer, 104 



Rusty, 104 



Yellow-headed, 100 

 Bluebird, Eastern, 169 



Mountain, 169 



Western, 169 

 Bobolink, 98 



Bob-white, 172 

 Bombycilla cedrorum, 141 



garrula, 141 

 Bonasa umbellus togata, 57 



umbellus umbelloides, 57 

 Botaurus lentiginosus, 42 

 Branta canadensis canadensis, 40 



canadensis hutchinsi, 41 

 Bubo virginianus pallescens, 70 



virginianus saturatus, 70 



virginianus subarcticus, 70 

 Bufflehead, 38 

 Bunting, Lark, 136 



Lazuli, 135 



Snow, 113 

 Buteo borealis calurus, 62 



borealis harlani, 173 



borealis krideri, 62 



swainsoni, 62 



Calamospiza melanocorys, 136 

 Calcarius lapponicus alascensis, 113 



ornatus, 114 

 Calidris leucophaea, 49 

 Canachites franklini, 57 

 Canvasback, 36 

 Carpodacus cassini, 107 



purpureus purpureus, 175 

 Catbird, 155 



Cathartes aura septentrionalis, 60 

 Catoptrophorus semipalmatus inornatus, 51 

 Centrocercus urophasianus, 59 

 Certhia familiaris montana, 158 

 Ceryle alcyon alcyon, 72 

 Chaetura pelagica, 81 



vauxi, 81 

 Charadrius dominicus dominicus, 54 

 Charitonetta albeola, 38 

 Chat, Long-tailed, 150 

 Chaulelasmus streperus, 33 

 Chen hyperboreus hyperboreus, 39 



hyperboreus nivalis, 40 



rossi, 40 

 Chickadee, Chestnut-backed, 162 



Eastern, 160 



Hudsonian, 162 



Long-tailed, 161 



Mountain, 161 

 Chicken, Prairie, 58 

 Chondestes grammacus strigatus, 119 



