Nymphicus, 300. 
Ochthodieta, 290. 
Ochtheca, 290. 
Ochthornis, 290. 
Ocyalus, 282. 
Ocyceros, 296. 
Ocydromus, 302. 
—— australis, 63. 
Ocyphaps, 298. 
Odontophorine, 303. 
Odontophorus, 303. 
Odontopteryx toliapus, 
237. 
Odontorhynchus, 288. 
(Edicnemus, 304. 
—— crepitans, 59, 60. 
(Edistoma, 286. 
Ena, 298. 
Csophagus, 208. 
(Estrelata, 304. 
Oidemia, 305. 
Oil-bird, 122, 123, 265. 
Oil-gland, 151. 
Old-World  Ant- 
thrushes, 263. 
Olfactory foramen, 182. 
Oligomyode, 262, 263, 
290. 
Oligomyoidal 
ture, 214, 
Oligura, 289. 
Ombrette, 272. 
Oncostoma, 291, 
Onycognathus, 282. 
Opisthoccelous _ver- 
tebree, 172. 
Opisthocomide, 274, 
303. 
Opisthocomus, 303. 
—— cristatus, 92, 94. 
Opisthoprora, 299. 
Opisthotie bones, 227. 
Oporornis, 285. 
Optic nerves and fora- 
men, 182. 
Orchesticus, 284. 
Orchilus, 291. 
Orders of birds enume- 
rated, 258. 
Oreicola, 290. 
Oreocharis, 286. 
struc- 
ALPHABETICAL INDEX. 
Oreocorys, 285. 
Oreoica, 287. 
Oreomanes, 284. 
Oreomyza, 284. 
Oreonympha, 294. 
Oreophasine, 304. 
Oreophasis, 304. 
Oreopsittacus, 299. 
Oreopyra, 294. 
Oreoscoptes, 288. 
Oreothraupis, 284. 
Oreotrochilus, 294. 
Organ of hearing, 219. 
of smell, 219. 
—— of song, 211. 
of tasta, 219. 
Organs, non-skeletal, 
202. 
Origma, 287. 
Orioles, 104, 261. 
Oriolide, 261, 282. 
Oriolus, 282. 
galbula, 103, 104. 
Ornithion, 291. 
Ornitholites, 236. 
Ornithological regions 
of the Karth, 259. 
Ortalida, 303. 
Orthogonys, 284. 
Ortholophus, 296. 
Orthonyx, 288. 
Orthotomus, 287. 
Ortolan, 105. 
Ortygocichla, 289. 
Ortygospiza, 283. 
Ortyx, 308. 
Ortyxelos, 302. 
Oryzoborus, 284. 
Oscines, 281. 
Os hyoides, 187. 
Ospreys, 126, 271. 
Ossification, process of, 
226. 
Ostinops, 282. 
Ostriches, 65, 281. 
Otide, 273, 302. 
Otis, 302. 
tarda, 47, 49. 
Otocompsa, 289. 
Otocorys, 285. 
Otogyps, 300. 
Ovary, 210. 




327 
Oven-bird, 118, 263. 
Oviduct, 210. 
Owl-parrot, 71, 
269. 
Owls, 129, 271. 
Oxpeckers, 112, 113. 
Oxylabes, 289. 
Oxypogon, 294. 
Oxyrhamphide, 263, 
Oxyrhamphus, 291. 
Oxyurus, 292. 
Oyster-catchers, 55, 56, 
275. 
72, 
Pachycare, 237. 
Pachycephala, 287. 
Pachycephaline, 287. 
Pachycoccyx, 298. 
Pachynus, 299. 
Pachyrhamphus, 291. 
Pagophila, 304. 


Palearctic region, 
Birds of, 242. 
and sub- 
regions, 239, 242. 
Palegithalus, 237. 
Padleornis, 299. 
torquatus, 269. 
Paleornithine, 299. 
Paleotringa, 237. 
Palamedea, 306. 
—— cornuta, 45, 47. 
Palamedee, 278, 306. 
Palamedecide, 279, 306. 
Palate, skeleton. of, 
185. 
Pancreas, 209. 
Pandion, 800. 
—— haliaétus, 126. 
Pandionide, 271, 300. 
Panoplites, 295. 
Panterpe, 294. 
Panurus, 286. 
Panychlora, 294. 
Panyptila, 295. 
Papuan — subregion, 
Birds of, 248. 
Paradigalla, 282, 
Paradisea, 282. 
—— apoda, 90. 
Paradiseide, 261, 281. 
ns 

