212 PACIFIC COAST AVIFAUNA 
Sparrow, Tit-lark, 114 
Townsend Fox, 130 
Valdez Fox, 129 
Western Chipping, 118 
Western Grasshopper, 115 
Western Lark, 115 
Western Savannah, 113 
Western Tree, 118 
Western Vesper, 112 
Western White-crowned, 116 
White-crowned, 116 
White-throated, 117 
Yakutat Fox, 129 
Yakutat Song, 123 
Yellow-winged, 115 
Spatula clypeata, 34 
Spectyto cunicularia, 74 
cunicularia hypogaea, 74 
cunicularia obscura, 74 
hypogaea, 74 
Sphyrapicus ruber, 79 
ruber daggetti, 79 
ruber notkensis, 79 
thyroideus, 80 
varius daggetti, 79 
varius nuchalis, 80 
varius ruber, 79 
williamsoni, 80 
Sphyropicus nuchalis, 80 
Spinus barbatus, 187 
lawrencei, 110 
pinus pinus, 111 
psaltria, 110 
psaltria arizonae, 110 
tristis, 109 
tristis salicamans, 109 
yarrelli, 187 
Spiza amoena, 136 
Spizella atrogularis, 119 
breweri, 119 
domestica arizonae, 118 
monticola, 118 
monticola ochracea, 118 
pallida, 119 
pallida breweri, 119 
passerina arizonae, 118 
socialis, 118 
socialis arizonae, 118 
Spoonbill, Roseate, 42 
Sprigtail, 34 
Squatarola helvetica, 54 
squatarola, 54 
Stake-driver, 43 
Steganopus tricolor, 48 
Stelgidopteryx ruficollis serripennis, 140 
serripennis, 140 
Stellula calliope, 88, 184, 185 
Stercorarius catarractes, 20 
longicaudus, 20 
parasiticus, 20 
pomarinus, 20 
skua, 20 
Sterna antillarum, 25 
caspia, 23 
cayanensis, 24 
elegans, 24 
forsteri, 24 
galericulata, 24 
hirundo, 24 
macrura, 24 
maxima, 24 
nigra, 25 
paradisaea, 24 
pikei, 24 
regia, 23, 24 
superciliaris antillarum, 25 
ischegrava, 23 
Stilt, Black-necked, 49 
Strepsilas interpres, 56 
melanocephalus, 57 
virgata, 56 
Streptoceryle alcyon caurina, 76 
Strigiceps uliginosus, 70 
Strix cunicularia, 74 
flammea americana, 69 
flammea pratincola, 69 
frontalis, 71 
occidentalis caurina, 70 
occidentalis occidentalis, 70 
perlata, 69 
pratincola, 69 
virginiana, 73 
Struthus oregonus, 120, 121 
Sturnella hippocrepus, 104 
magna neglecta, 104 
militaris, 186 
neglecta, 104 
Sula bassana, 177 
brewsteri, 177 
fiber, 177 
fusca, 177 
Surf-bird, 56 
Swallow, Bank, 139 
Barn, 138 
Cliff, 138 
Northern Violet-green, 139 
Rough-winged, 140 
Tree, 139 
White-bellied, 139 
No. 11 
