Ortygometra quadristrigata. 172 
Ortygometra quadristrigata 1872, 33. 
53. 1879, 408. 1891, 127. 
— tabuensis 1870, 122. 355. 403. 
415. 1872, 33. 53. 183. 1874, 
173. 201. 1880, 297. 307. 1891, 
127. 
Ortygornis pondiceriana 1875, 292. 
Ortygospiza polyzona 1868, A. 5. 
1876, 427. 1887, 71. 
Ortyx 1882, 272. 1885, 143. 
— californica 1872, 85. 87. 1882, 
281. 284. 
— californicus 1882, 271. 
— cubanensis 1871, 271. 277. 1874, 
300. 313. 1875, 293. 1878, 161. 
186. 
— leylandı 1869, 373. 
— nigrogularis 1881, 69. 
— virginiana 1882, 281. 
° — virginianus 1871, 277. 1874, 301. 
309. 313. 1878,161.186. 1882, 
271. 1885, 143. 
Orynx approximans 1878, 231.1892, 
187. 
— capensis 1870, 27. 1885, 134. 
1891, 60. 157. 1892, 187. 
— phoenicomera 1892, 186. 
— xanthomelas 1878, 231. 1879, 
35l. 1887, 142.158. 1891, 157. 
1892, 187. 
Oryzoborus maximiliani 1887, 130. 
— torridus 1874,85. 1887, 7. 115. 
Oryzornis oryzivora 1872, 19. 1877, 
173. 1878, 218. 230.266. 1880, 
143. 189. 1883, 201. 363. 1885, 
136. 1889, 83. 283. 
Oscines 1871, 247. 324 ff. 453. 1872, 
342. 1873, 9. 1874, 10. 11.78. 
458. 1881, 317. 318. 1883, 3592. 
1884, 442. 1885, 177. 1886, 
520. 1887, 141. 152. 1890, 6. 
50. 57. 1891, 173. 
Osmotreron 1891, 414, 
— axillarıs 1882, 177. 1883, 314. 
— bicineta 1882, 431. 444. 1885, 
159. 160. 
— fulvicollis 1883, 314. 
— griseicauda 1877, 376, 
138. 
— olax 1889, 376. 
— phayrıi 1889, 433. 
— vernans 1883, 138. 
376. . 
— viridis 1882, 430. 431. 442. 443. 
1885, 159. 160. 
Ossifraga gigantea 1872, 255. 1874, 
206. 1875, 449. 1876, 293. 329. 
1891,00 
Osteorophea 1877, 164. 
Östinops angustifrons 1873, 308. 
1885, 
1889, 347.. 
Otis melanogaster. 
Ostinops atrocastaneus 1873, 308. 
309. 1886, 105. 
_ ons 1873, 308. 309. 1886, 
105. 
— cristata 1874, 85. 1884, 318. 
— decumanus 1887, 10.116. 1889, 
299. 
montezumae 1869, 302. 
oleagineus 1883, 336. 1886, 105. 
salmoni 1883, 336. 1886, 105. 
sincipitalis 1873, 309. 1884, 236. 
— viridis 1873, 308. 1889, 299. 
Ostralega atra 1891, 258. 
Otagon tanagra 1870, 323. 
Otidae 1888, 265. 
Otididae 1871, 425. 1874, 38. 
1882, 113. 1883, 401. 1885, 
116. 1887,47. 1890,39. 1891, 
58. 87. 142. 169. 
Otidiphaps 1891, 88. 414. 
— cervicalis 1885, 455. 
— ınsularis 1885, 455. 
— nobilis 1881, 74. 1882, 348. 
1885, 455. 
— — var. cervicalis 1883, 406. 
— regalis 1881, 74. 
Otis 1871, 251. 333 ff. 1876, 446, 
1879, 255. 256. 1882, 279. 1885, 
ee 
50. 1886, 417. 432. 435. 1888, 
97. 1891, 60. 
— arabs 1874, 382. 1888, 265. 
1891, 55. 
australis 1879, 408. 1891, 401. 
brachyotus 1889, 191. 249. 262. 
caffra 1876, 298. 1885, 67. 68. 
1887, 47. 138. 1891, 345. 
— canicollis 1881, 334. 1882, 113. 
1885, 116. 1891, 58. 142, 209. 
— denhami 1874, 382. 1876, 298. 
1885, 68. 
—- dybowskii 1874, 331. 332. 336. 
— fulvierista 1882, 113. 
— houbara 1869, 391. 1874, 49. 
1876, 187. 212. 1879, 333. 
1880, 83. 348. 1888, 267. 1890, 
297. 1892, 316. 317. 1893, 81. 
— kori 1876, 297. 298. 1885, 116. . 
1887, 48. 
— ludwigii 1876, 298. 
— macqueni 1869, 391. 1871. 222. 
1873, 347. 1875, 99.182. 1876, 
42. 212. 1879, 333. 1880, &. 
1891, 169. 195. 222. 1892, 423, 
1893, 106. 
— maculipennis 1868, 413. 
284. 338. 1885, 116. 
— major 1875, 182. 
— melanogaster 1874, 382. 1877, 
11. 1879, 284. 1885, 52. 1886, 
431. 432. 435. 1887,48. 145. 157. 
1879, 
