192 PACIFIC COAST AVIFAUNA 
Anser albatus, 38 
albifrons, 39 
albifrons gambeli, 39 
erythropus, 39 
gambeli, 39 
hutchinsi, 39 
hyperboreus, 38 
rossi, 39 
Anthus ludovicianus, 153 
pensilvanicus, 153 
rubescens, 153 
Antrostomus nuttalli, 83, 84 
Aphelocoma californica californica, 98 
californica obscura, 98 
floridana californica, 98 
insularis, 98 
obscura, 98 
woodhousei, 98 
Aphriza virgata, 56 
Aquila canadensis, 67 
chrysaetos, 67 
chrysaetos canadensis, 67 
Archibuteo ferrugineus, 66 
lagopus, 66 
lagopus sancti-johannis, 66 
sancti-johannis, 66 
Archilochus alexandri, 86, 184 
violajugulum, 184 
Ardea candidissima, 44 
egretta, 44 
exilis, 43 
herodias, 43 
herodias hyperonca, 43 
herodias oligista, 43 
herodias treganzai, 43 
minor, 43 
occidentalis, 44 
virescens, 45 
virescens anthonyi, 45 
Ardeola exilis, 43 
Ardetta exilis, 43 
Arenaria interpres, 56 
interpres interpres, 179 
interpres morinella, 56 
melanocephala, 57 
morinella, 56 
Asio americanus, 69 
flammeus, 70 
magellanicus, 73 
magellanicus icelus, 73 
magellanicus pacificus, 73 
magellanicus pallescens, 73 
wilsonianus, 69 
Astragalinus lawrencei, 110 
psaltria, 110 
psaltria arizonae, 110 
psaltria hesperophilus, 110 
tristis, 109 
tristis pallidus, 110 
tristis salicamans, 109, 110 
Astur atricapillus, 64 
atricapillus striatulus, 64 
cooperi, 64 
fuscus, 64 
palumbarius striatulus, 64 
Asyndesmus lewisi, 81 
torquatus, 81 
Athene cunicularia, 74 
hypugaea, 74 
infuscata, 74 
socialis, 74 
Atlapetes chlorurus, 134 
Atthis anna, 87 
calliope, 88 
costae, 86 
Audubonia occidentalis, 44 
Auk, Aleutian, 18 
Horn-billed, 18 
Auklet, Cassin, 18 
Paroquet, 18 
Rhinoceros, 18 
Auriparus flaviceps flaviceps, 166 
flaviceps lamprocephalus, 166 
flaviceps ornatus, 166 
Avocet, 49 
Aythya affinis, 36 
americana, 35 
collaris, 36 
erythrocephala, 35 
marila, 35 
marila nearctica, 35 
vallisneria, 35 
Baeolophus inornatus griseus, 163 
inornatus inornatus, 162 
inornatus murinus, 163 
inornatus restrictus, 162 
Balanosphyra formicivora bairdi, 81 
Baldpate, 33 
Bartramia longicauda, 53 
Bernicla brenta, 40 
canadensis, 39 
gambeli, 39 
hutchinsi, 39 
leucoparia, 40 
nigricans, 40 
No. 11 
