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, Gabanis, J. f. 0. 1853, p. 109. 



Oligomydrus (Schiff), Hartlaub, Eev. et Mag. Zool. ser. 2, x. 

 p. 348 (1858); J. f. O. 1859, p. 34. 



Oligura, Hodgson, in Gray's Zool. Miscell. p. 82 (1844) ; P. Z. S. 

 1845, p. 25 ; Journ. Asiatic Soc. Bengal, xxiv. p. 575 (1855). 



Oligura, Ruppell, Syst. IJebers. Vogel 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, pi. xvii. 

 (1831). 



Omeotreron, Bp. C. E. xxxix. p. 878 (1854), et xl. p. 217 (1855) ; 

 C. G-. A. ii. p. 27 (1854). 



Ommatornis, Scl. Cat. Am. B. p. 169 (1862). 



Oncostoma, Scl. Cat. Am. B. p. 208, pi. xviii. fig. 1 (1862) ; 

 Cat. B. Brit. Mus. xiv. p. 76 (1888). 



Onichaaetus, Kaup, Class. Siiug. u. Vogel, p. 120 (1844). 

 ONYCHAETUS, 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 OCNISCTJS, Cab. 



Onixylus, Rafinesque, Analyse, p. 219 (1815). 



Onochrus, Bp. Naumannia, 1856 (Table), p. 352. 



Onocralus, Eafinesque, Analyse, p. 72 (1815). 



Onocrotalus, Bnsson, 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. 

 Onychaetus, see ONICHAABTUS. 



Onychognathus, Hartlaub, Eev. et Mag. Zool. ser. 2, i. p. 494 

 (1849) ; Abhandl. G-ebiete d. Naturwiss. Hamburg, ii. 

 Abth. 2, p. 52, pi. vii. (1852); Ornith. Westafrica's, p. 115 

 (1857) ; J. f. O. 1859, p. 35. 



Onychoprion, Wagler, Isis, 1832, p. 277. 



Onychopterus, Reichenb. Avium Syst. pi. Ixv. (1850). 



Onyehorhynchus, Fischer, Zoognosia, pp. 31, 42 (1813) 



Onychospina, Bp. C. E. xxxvii. p. 919 (1853); C. S. O. p. 12 

 (1854); Cat. Ois. Eur. p. 24 (1856) ; Eev. Zool. ser. 2, ix. 

 pp. 56, 161, 162 (1857). 



Onychospiza, Prejevalski/, 'Mongolia,' ii. p. 81 (1876); in How- 

 ley's Orn. Misc. ii. p. 289 (1877). 



