130 



Index. 



Pack. 



Auklet, Cassin's, 4 



Rhinoceros, 4 



Avocet, American, 36 



Aylhya affinis, 22 



americana, 22 



collaris 22 



marila nearctica, 22 



vallisneria, 22 



r.aldpate, 21 



Bartramia longicauda, 43 



Bird, Red-billed Tropic, 17 



Siirf, 48 



Yellow-billed Tropic, 1C> 



Bittern, American, 31 



Least, 31 



Blackbird, Bicolored, 78 



Brewer's, 79 



Red-winged, 7S 



Rusty, 79 



Yellow-headed, 78 



Bluebird, 119 



Mountain, 119 



Western, 119 



Bobolink, 77 



Western 77 



Bob-while, 49 



Bonasa umbellus togata, M 



umbellus sabini, 51 



umbellus umbelloides, ... . 50 



Botaurus exilis, 31 



lentiginosus, 31 



Brachyramphus marmoratus, .. 4 



Brant, 29 



Black, 29 



Branta bernicia, 29 



canadensis, 28 



canadensis hutchinsii, 29 



canadensis minima, 29 



canadensis occidentalis,... 29 



leucopsis, 30 



Page. 



Branta nigricans, 30 



Bubo virginianus, G2 



virginianus arcticus, G2 



virginianus saturatus, 02 



virginianus subarcticus, ... 02 



Buffle-head, 24 



Bunting, Indigo, 92 



Lark 93 



Lazuli, 92 



Bush-Tit, 115 



Buteo borealis 5G 



borealis calurus, SG 



Itissimus 57 



lineatus, 66 



swainsoni, 56 



Calamospiza melanocory.s, 93 



Calcarius lapponicus, 83 



ornat us, 84 



pictus, 84 



Calidris arenaria, 4\ 



Callipepla californica vallicola, 49 



Camptolaimus labradorius, 25 



Can vas-back, 23 



Cardinal, 92 



Cardinalis cardinalis, 92 



Carpodacus cassini, 81 



purpureus, 80 



purpureus californicus, 81 



Catbird, 110 



Catharista atrata, 54 



Cathartes aura, 54 



Centrocercus urophasianus, ... 53 



Ceophlccus pileatus, 66 



Cepphus columba, 5 



grylle, 4 



mandtii, 5 



Ccrorhinca monocerata, 4 



Certhia familiaris americana, .. 1 13' 



Ceryle alcyon, 04 



Chivtura pelagica, 68 



