1915 INDEX 213 
Swan, American, 41 Tetrao californicus, 59 
Trumpeter, 41, 42 columbianus, 61 
Whistling, 41 obscurus, 60 
Swift, Black, 85 phasianellus, 61 
Northern, 85 sabini, 61 
Northern Black, 85 urophasianus, 61 
Oregon, 85 Thalasseus elegans, 24 
Vaux, 85 regius, 24 
White-throated, 86 Thalassidroma leachi, 28 
Sylvania pusilla, 152 melania, 29 
pusilla pileolata, 152 Thalassogeron culminatus, 176 
Sylvicola aestiva, 147 Thistle-bird, 109 
auduboni, 148 Thrasher, Bendire, 154 
nigrescens, 148 Brown, 188 
Symphemia semipalmata, 53 California, 154, 155 
semipalmata inornata, 53 Crissal, 156 
Synthliboramphus antiquus, 18 Leconte, 155 
Syrnium cinereum, 71 Pasadena, 155 
nebulosum, 70 Sage, 153 
occidentale, 70 Sonoma, 155 
T Thrush, Alaska Hermit, 170 
Audubon Hermit, 170, 171 
Tachycineta bicolor, 139 Dwarf, 170 
bicolor vespertina, 139 Dwarf Hermit, 170 
lepida, 139 Henry, 156 
thalassina, 139 Leconte, 155 
thalassina lepida, 139 Monterey Hermit, 171 
Tachypetes aquilus, 31 Northern Varied, 172 
Tachytriorchis abbreviatus, 65 Olive, 169, 170 
Tanager, Cooper, 137 Olive-backed, 170 
Gray, 188 Oregon, 169 
Louisiana, 137 Russet-backed, 169 
Western, 137 Sickle-billed, 154, 155 
Tantalus loculator, 42 Sierra Hermit, 171 
Tattler, Wandering, 53 Varied, 172 
Teal, Blue-winged, 34 Thryomanes bewicki catalinae, 158 
Cinnamon, 34 bewicki charienturus, 158 
European, 33 bewicki drymoecus, 158 
Green-winged, 33 bewicki eremophilus, 158 
Red-breasted, 34 bewicki leucogaster, 158 
South American, 34 bewicki leucophrys, 158 
Tell-tale, 52 bewicki marinensis, 159 
Telmatodytes palustris paludicola, 160 bewicki nesophilus, 158 
palustris plesius, 160 bewicki spilurus, 158, 159 
Tern, Arctic, 24 leucophrys, 158 
Black, 25 nesophilus, 158 
Caspian, 23 spilurus, 159 
Cayenne, 24 Thryothorus bewicki, 158, 159 
Common, 24 bewicki bairdi, 158 
Elegant, 24 bewicki spilurus, 158, 159 
Forster, 24 leucophrys, 158 
Least, 25 spilurus, 158 
Royal, 24 Tinnunculus sparverioides, 68 
Slender-billed, 24 sparverius, 68 
