432 
INDEX 
PAGE 
Tern, Arctic 237 
Black 239 
American 239 
Caspian 238 
American 238 
Common 236 
Forster’s 235 
Gull-billed 235 
Least 238 
Roseate 237 
Sandwich 238 
Cabot’s 238 
Sooty 238 
Wilson’s. See Tern, Common.. . 236 
Terns, gen. description 218, 234 
Tetraonidae 152 
Thalasseus sandvicensis 238 
s. acvflavides 238 
Thalassogeron chlororhynchus — 46 
Thistlebird. See Goldfinch, American . 389 
Thrasher, Brown 325 
Sage ■ . 326 
Thrashers, gen. description 323 
Thraupidae 377 
Threskiornithinae 67 
Threskiornilhoidea 67 
Thrush, Golden-crowned. See Oven- 
bird 359 
Grey-cheeked 329 
Bicknell’s 330 
Common 330 
Hermit 328 
Alaska 329 
Dwarf 329 
Eastern 328 
Sierra 328 
Olive-backed 329 
Eastern 329 
Russet-backed 329 
Song. See Thrush, Wood. . . . 328 
Swainson’s. See Thrush, 
Olive-backed 329 
Varied 328 
Northern 328 
Pacific 328 
Wilson’s 330 
Veery 330 
Willow 330 
Wood 328 
Thrushes, gen. description 326 
Thryomanes bewicki 320 
b. be wicki 320 
b. calophonus 320 
Thryothorus ludovicianus 320 
Thunder-pump. See Bittern, American 65 
Tip-up. See Sandpiper, Spotted 192 
Tit, Little Bush 314 
Titlark 335 
Titmice 311 
Titmouse, Tufted 314 
Totanus flavipes 197 
melanoleucus 196 
PAGE 
Towhee, Eastern 391 
Green-tailed 391 
Red-eyed 391, 392 
Spotted 392 
Nevada 392 
Northern 392 
Oregon 392 
Toxostoma rufum 325 
Transition zone, birds of 9 
Tree-duck, Bicolored 86 
Fulvous 86 
Tringa solitaria 194 
s. cinnamcmiea 194 
s. solitarin 194 
Trochili 273 
Trochilidae 273 
Troglodytes aedon 318 
a. aedon 318 
a. parkmani 318 
Troglodytidae 318 
Tropic-bird, Red-billed 51 
Yellow- billed 51 
Tropic region, defined 7 
Tryngites subrvftcoUis 206 
Turdidae 326 
Turdits migratorius 326 
rn. caurinus 326 
m . migratorius 326 
m. prop'Lnquus 326 
Turkey, Wild 167 
Eastern 167 
Turnstone, Black 186 
Common 185 
Ruddy 185 
Tympanuchus cupido 160 
c. americanus 160 
c. cupido 160 
Tyranni 287 
Tyrannidae 287 
Tyr annus dominicensis 289 
melancholicus 289 
m. chloronotus 289 
m. couchi 289 
tyrannus 288 
verticalis 289 
Tyto alba 256 
a. pratincole 256 
Tytonidae 256 
Una aalge 242 
a. aalge 243 
a. calif ornica 243 
lojnvia 243 
l. arra 244 
l. lomvia 244 
Vanellinae 178 
Vanellus vanellus 178 
Variation, geographical. See Sub- 
species 5 
Veery. See Thrush, Wilson’s 330 
