150 ~  OGN—ONY 
Ognorhynchus, Bonap. [teste Finsch, Papageien, i. p. 449 (1867)]. 
Oidemia, Fleming, Philosophy of Zool. ii. p. 260 (1822). 
Oitrus, Rafinesque, Analyse, p. 68 (1815). 
Oligocercus, Cabanis, J. f. O. 1853, p. 109. 
Oligomydrus (Schif’), Hartlaub, Rev. et Mag. Zool. sér. 2, x. 
p. 348 (1858); J. £. O. 1859, p. 34. 
Oligura, Hodgson, in Gray’s Zool. Miscell. p. 82 (1844); P. Z. 8. 
1845, p. 25; Journ. Asiatic Soc. Bengal, xxiv. p. 575 (1855). 
Oligura, Riippell, Syst. Uebers. Vigel N.O.-Afrika’s, p. 29 (1845). 
Ololygon, Cabanis, Mus. Hein. iv. pt. 1, p. 20 (1862). 
Olor, Wagler, Isis, 1832, p. 1234. 
Ombria, Eschscholtz, Zoologischer Atlas, Heft 4, p. 3, pl. xvii. 
(1831). 
Omeotreron, By. C. R. xxxix. p. 878 (1854), et xl. p. 217 (1855); 
C. G. A. ii. p. 27 (1854). : 
Ommatornis, Sci. Cat. Am. B. p. 169 (1862). 
Oncostoma, Scl. Cat. Am. B. p. 208, pl. xviii. fig. 1 (1862); 
Cat. B. Brit. Mus. xiv. p. 76 (1888). : 
Onichaastus, Kaup, Class. Siug. u. Vogel, p. 120 (1844). 
Ovyouaitus, Kaup, Mus. Senckenb. iii. p. 260 (1845); Arch. 
f. Naturgesch. xvi. pt. 1, p. 37 (1850). 
Oniscus, Baird, Brewer, and Ridgw. Water-Birds N. Amer. i. 
p- 48 (1884). Mispr. for Ooniscus, Cab. 
Onixylus, Rafinesque, Analyse, p. 219 (1815). 
Onochrus, Bp. Naumannia, 1856 (Table), p. 352. 
Onocralus, Rafinesque, Analyse, p. 72 (1815). 
Onocrotalus, Brisson, Ornith. vi. p. 519 (1760); Gmelin, Nov. 
Acad. Sc. Petrop. xv. p. 471 (1770); Scopoli, Introd. Hist. 
Nat. p. 474 (1777). 
Onocrotalus, Wagler, Isis, 1832, p. 1233. 
Onychaétus, see ONICHAAHTUS, 
Onychognathus, Hartlaub, Rev. et Mag. Zool. sér. 2, i. p. 494 
(1849); Abhandl. Gebiete d. Naturwiss. Hamburg, ii. 
Abth, 2, p. 52, pl. vii. (1852); Ornith. Westafrica’s, p. 115 
(1857); J. £. O. 1859, p. 35. 
Onychoprion, Wagler, Isis, 1832, p. 277. 
Onychopterus, Reichend. Avium Syst. pl. Ixv. (1850). 
Onychorhynchus, Fischer, Zoognosia, pp. 31, 42 (1813) 
Onychospina, Bp. C. R. xxxvii. p. 919 (1853); C. 8S. O. p. 12 
(1854); Cat. Ois. Eur. p. 24 (1856); Rev. Zool. sér. 2, ix. 
pp. 56, 161, 162 (1857). 
Onychospiza, Prejevalsky, ‘Mongolia,’ ii. p. 81 (1876); in Row- 
ley’s Orn, Mise. ii. p. 289 (1877). 
