Under 
mandible 100, 108 
parts 94 
tail-coverts 115 
wing-coverts 110 
Unfeathered spaces 86 
Unguis of bill 102 
Unicorn auk 805 
Upland plover 641 
Upper 
mandible 100, 104 
parts 94 
tail-coverts 115 
wing-coverts 110 
Upupide 446 
Ureters 216, 217 
Uria 814 
carbo 815 
columba ie 
rylle 81 
. erandtl 815 
‘inary 
bladder 217 
organs 215 
Urogenital 
organs 215 
sinus 214 
Uro-hyal 167 
Uropygial gland 86 
Uropygium 94 
Urosacral vertebrae 114, 141 
Urosteon 144 
Urubitinga 552 
anthracina 552 
Utamania 818 
torda 818 
Ur 
Valley quail 592 
Valuation of characters 74 
Vane of feather 84 
Vanellus 604 
cristatus 605 
Varied 
bunting 391 
thrush 245 
Vascular system 195 
Vas deferens 217 
Vaux’s swift 458 
Veery 246 
Velvet scoter 714 
Venous system 195 
Venter 94, 96 
Ventricles 
of brain 175 
of heart 196 
Ventriculus glandulosus 212 
Vermilion flycatcher 444 
Versatile toes 126 
Vertebra, see Vertebrae 
Vertebra: 137 
caudal 141 
cervical 138 
coceygeal 141 
dorsal 139 
dorso-lumbar 189 
thoracic 139 
lumbar 140 
plan of 135 
sacral 140 
urosacral 141 
Vertebrarterial canal 139 
’ Vertebrates, Vertebrata 60, 81 
Vertex 97 
Vesicles 
cerebral 175 
seminal 218 
INDEX. 
Vesicule seminales 218 . 
Vesper-bird 364 
Vestibule of ear 188, 189 
Vibrisse 99 
Violet-green 
cormorant 729 
. swallow 323 
Violet-velvet swallows 322 
Vireo, see Greenlet 
Vireo 330 
altiloquus 332 
atricapillus 336 
barbatulus 832 
belli 335 
cassini 333 
flavifrons 333 
flaviviridis 332 
‘ilvus 332 
uttoni 384 
noveboracensis 334 
olivaceus 331 
philadelphicus 332 
plumbeus 334 
pusillus 335 
solitarius 333 
stevensi 335 
swainsoni 333 
vicinior 334 
Vireolanius 330 
Vireonide 73, 829 
Vireos 329 
Virginia 
nightingale 393 
partridge 589 
quail 589 
rail 673 
Virginia’s warbler 294 
Visceral 
arches 152 
clefts 152, 158 
Vision, sense of 178 
Vitelline membrane 220, 221 
Vitellus 220 
Vitreous humor 180, 183 
Vocal 
chords 205 
organs 204, 205, 206 
Vomer 
of coceyx 114 
of skull 161 
Vulture, black 560 
Vultures 
american 557 
old world 519 
Vulturine 519 
Vultur 
monachus 519 
umbrosus 822 
Waps 4 
Wagtail 
siberian 284 
white 284 
yellow 284 
Wagtails 283, 284, 286 
Wag-tail warbler 309 
‘olden-crowned 308 
arge-billed 309 
Wag-tail warblers 308 
Wall creeper 272 
Wandering 
shearwater 785 
tattler 643 
Warbler 
audubon’s 302 
861 
Warbler 
azure 301 
bachman’s 294 
bay-breasted 304 
blackburn’s 802 
black-and-yellow 304 
black-capped flycatching 313 
black-poll 303 
black-throated blue 300 
gray 300 
green 298 
blue-eyed yellow 298 
blue golden-winged 294 
blue-winged yellow 293 
blue yellow-backed 290 
canadian flycatching 314 
cape may 3805 
cerulean 301 
chestnut-headed 298 
chestnut-sided 304 
cincinnati 293 
connecticut 809 
golden 298 
golden-crowned wag-tail 308 
golden-cheeked 300 
grace’s 306 
hermit 299 
hooded flycatching 313 
kennicott’s 259 
kentucky 310 
kirtland’s 306 
large-billed wag-tail 309 
lawrence’s 293 
lucy’s 294 
macgillivray’s 311 
magnolia 304 
mourning 311 
nashville 294 
olive 296 
orange-crowned 295 
pacific 295 
painted flycatching 315 
palm 307 
pine 307 . 
pine-creeping 307 
prairie 305 
prometheus 302 
prothonotary 291 
red-fronted flycatching 314 
rose flycatching 314 
sennett’s 291 
summer 298 
swainson’s 292 
tennessee 295 
townsend's 299 
virginia’s 294 
wag-tail 309 
western 299 
western yellow-rumped 302 
western black-capped flycatch- 
ing 314 
white-browed 306 
white-throated 293 
worm-eating 292 
yellow-bellied red-poll 307 
yellow-crowned 301 
yellow red-poll 307 
yellow-rumped 301 
yellow-throated 306 
ellow-throated ground 310 
Warblers 
american 287, $88, 312 
blue yellow-backed 290 
bush 309 
creeping 290 
golden 298 ' 
