Natt of bill 102 
Nails of toes 182 
Names, scientific 78 
Nape 96 
Nares 104, 178, 210 
Narrow-fronted woodpecker 490 
Nasal 
bones 165 
fossa 104 
gland 178 
scale 105 
turbinal 173 
Nashville warbler 294 
Natatorial foot 129, 131 
Natural 
affinities 72 
selection 66 
Nauclerus 526 
Neck 92, 96 
Neochloe 330 
Neocorys 286 
spraguil 286 
Neophron perecnopterus 519 
Nepheecetes 457 
niger borealis 457 
Nerve-tissue 174 
Nervous system 174 
Nesonetta aucklandica 699 
Nestor productus 65 
Nests and eggs, collecting 50 
Nests, plea for study of 54 
Netting birds 4 
Nettium 695 
Neural 
arch 135 
spines 137 
Neurapophyses 137 
Neurology 174 
Neuramceba 
candida 174 
cinerea 174 
Nevada sage sparrow 376 
New york water thrush 309 
Nictitating membrane 179, 180 
Nidification 227 
Night heron 
black-crowned 662 
yellow-crowned 663 
Night herons 662, 663 
Night-courser, white-throated 450 
Night-coursers 449 
Night-hawk 
cuban 454 
texan 454 
western 454 
Night-hawks 453 
Nightingale, virginian 393 
Night-jar 452 
Night-jars 448 
american 450 
Nipper-nosed murrelets 811 
Nocturnal birds of prey 498 
Noddies 771 
Noddy tern 771 
Nomenclature 78 
binomial 79 
rules of 80 
trinomial 80 
Nomonyx 715 
dominica 715 
Non-melodious passeres 427 
Nonpareil 391 
western 391 
Nootka humming-bird 462 
North american birds 
classification of 234 
INDEX. 
North american birds 
systematic synopsis of 237 
Northern 
black cloud swift 457 
brown crane 667 
phalarope 613 
sharp-tailed grouse 581 
shrike 337 
Northwest fish crow 417 
Nostrils 104 
Notzum 94 
Notiocorys 285 
Notochord 151 
Notornis 143 
Nucha 96 
Nuchal 
bone 725 
region 96 
woodpecker 486 
Nucifraga caryocatactes 418 
Number 
of phalanges 127 
of toes 126 
Numbering of toes 127 
Numenius 618, 643 
arquatus 644 
borealis 646 
hudsonicus 645 
longirostris 645 
pheeopus 645 
taitensis 646 
Numida meleagris 574 
Numidide 574 
Nutcracker 
american 417 
brown-headed 271 
Nuthatch 
canadian 271 
carolina 270 
european 270 
pygmy 271 
red-bellied 271 
slender-billed 271 
white-bellied 270 
Nuthatches 269 
typical 270 
Nuttall’s 
poorwill 453 
woodpecker 482 
Nyctala 512 
acadica 513 
albifrons 513 
richardsoni 512 
tengmalmi 512 
Nyctea 510 
seandiaca 510 
Nycterodius 663 
violaceus 663 
Nyctiardea 662 
grisea nevia 662 
Nyctibiine 448 
Nyctidromus 449 
albicollis 450 
OAK-WoODs sparrow 373 
Obliquus 
inferior 181 
superior 181 
Observations, record of 21 
Obturator foramen 149 
Occipital 
bone 156 
condyles 156 
style 725 
Occiput 97 
Oceanites 782 
54 
Oceanites oceanicus 782 
Oceanodroma 782 
furcata 782 
hornbyi 782 
Oculi-motor nerve 177 
Ocydrominz 670 
Ocyphaps 564 
Odontoglossx 677 
Odontoid process 139 
Odontolex 63, 238. 821 
Odontophorinz 588 
Odontophorus 588 
Odontornithes 821 
Odontotorme 63, 237, 821 
(Edemia 713 
americana 713 
fusca 714 
perspicillata 714 
trowbridgii 715 
velvetina 714 
(CEdicneminz 597 
(Esophagus 211 
CEstrelata 779 
bulweri 780 
fisheri 780 
gularis 780 
hesitata 779 
Oil-gland 86 
Old-tield lark 406 
Old-squaw 706 
Old-wife 706 
Old world 
partridges 594 
quail 594 
vultures 519 
Olecranon 107 
Olfaction 178 
Olfactory 
foramen 160 
lobes 175 
nerves 176 
Olivaceous flycatchers 440 
Olive warbler 296 
Olive-backed thrush 248 
Olive-black towhee 396 
Olive-sided flycatcher 438 
Olor 682 
Omos 106 
Onychotes 552 
gruberi 553 
Ontogeny 71 
Odlogy 
described 215 
study of 50 
O6phoron masculinum 218 
Opetiorhynchus 205 
Ophthalmic nerve 177 
Opisthoccelous vertebrz 138 
Opisthocomi 571 
849 
Opisthocomus cristatus 148, 571 
Opisthotie bone 157, 187 
Oporornis 309 
agilis 309 
formosa 310 
Optic 
foramina 159 
lobes 175, 176 
nerves 176, 184 
thalami 175 
Orange-crowned warbler 295 
Orbicularis oculi 180 
Orbit of eye 97, 179 
Orbital 
process of quadrate 162° 
region 97 
Orbito-nasal septum 160 
