Official Checklist of the Birds of Australia. 
36 
216 OXYURA AUSTRALIS.—BLUE-BILLED DUCK (217). 
G. 7, 17 ; H. 594 ; M. 217 ; Moora (W.A.)-Sn.A.-Chinchilla (Q.), T. 
Oxyura australis G., P.Z.S. 1836, 85, 1837 ; W.A., Swan R. 
a O. a. victories M., A.A.R., 1, 87, 1912 ; Victoria. 
G. BIZIURA Stephens in Shaw’s Gen. Zool., 12, 221, 1824 ; mon., A. lobata. 
217 BIZIURA LOBATA.—MUSK-DUCK (218). 
G. 7 ,18 ; H. 595 ; M. 218 ; N.W. Cape (W.A.)-Sn.A.-Rockhampton, C.Q., T. 
Anas lobala Shaw, Natural, Miscellany, 8 , 255, 1796 ; S.W.A., Albany, 
a B. 1. westralis M., A.A.R., 1, 87, 1912 ; W.A., Herdman’s Lake, 
b B. 1. menziesi M., A.A.R., 2, 90, 1914 ; N.S.W. 
Order ACCIPITRIFORMES : DIURNAL BIRDS OF PREY. 
Family AQUILID/E: EAGLES, GOSHAWKS, ETC. 
G. CIRCUS Lacep&de, Tabl. Ois., p. 4, 1799 ; s.d., Falco ceruginosus L. 
Spilocircus Kaup, Isis, 2, 89, 1847 ; mon., = Circus assimilis. 
218 CIRCUS ASSIMILIS.— SPOTTED HARRIER (234). 
G. I, 27 ; H. 27 ; M. 234 ; Cel.-A., T. 
C. assimilis Jardine & Selby, III. Orn., 2, 51, 1828 ; N.S.W. , Sydney. 
a C. jardini'G.f Synopsis Birds Auat., pt. 3, 48, 1838, Apr.; do. 
b C. aflinis G., P.Z.S. 1837, 99, 1838, May ; error for C. assimilis. 
c C. as. rogersi M., Nov. Zool., 18, 244, 1912 ; N.W.A., Fitzroy R. 
219 CIRCUS APPROXIMANS.—SWAMP-HARRIER (235). 
G. 1 ,26; H. 26 ; M. 235 ; A., T., N. Cal., Lord Howe I., Norfolk I., N.Z., Fiji. 
G. approximans Peale, U.S.A. Expl. Exp., 8 , 64, 1848 ; Fiji. 
a C.juxla Peale, ib ., p. xv. (table of contents only), 1848 ; Fiji, 
b C. assimilis (not Jardine & Selby, 1828) G. f B. of A., 1, 28, 1848 ; A. 
c C. ejouldi Bonaparte, Consp. Gen. Av., 1, 34, 1850; N.S.W. 
d C. ap. incxpectatus M., Nov. Zool., 18, 245, 1912 ; N.W.A., Parry’s Creek. 
G. AST UR Lacepede, Tabl. Ois., 4, 1799 ; s.d., = F. gentilis L. 
Leucospiza Kaup, Class. Saug. Vog., 119, 1844 ; o.d., F. novee-hollandiex. 
Urospiza Kaup, Mu. Senck., 3, 259, 1845 ; mon., = A. fasciatus. 
220 ASTUR (LEUCOSPIZA) NOVAi-HOLLANDIAE. — GREY (WHITE) GOSHAWK. 
G. 1, 14/5 ; II. 14, 15 ; M. 237 ; N.G., N.A., E.A., S.A., T. (236/7). 
Falco novee-hollandiez Gmelin, Sys. Nat., 1, 264, 1788 ; T. 
a F. albus (not Gmelin 1788) Shaw, White’s Jour. Voy. N.S.W., 250, 1790 ; N.S.W. 
b F. clarus Latham, Index Orn. Sup., 13, 1801 ; N.S.W. 
c Sparvius cincreus (not Vieillot, ib., 327) Vieillot, Nouv. Diet., 10, 338, 1817 ; do. 
d S. niveus Vieillot, ib., 1817 ; new name for (c) ; N.S.W. 
e A. raii Vigors & Horsfield, T.L.S., 15, 180, 1827 ; N.S.W. 
f Dexdalion candidum Lesson, Traite d’Orn., 1, 66 , 1830 ; N.S.W. 
g F. leucoaetos Forster, Descr. Anim. ed. Licht., 70, 1844 ; T. 
h A. leucosomus Sharpe, Cat. Birds, Br. Mu., 1, 119, 1874 ; N.G. 
i A. clarus cooktowni M., Nov. Zool., 18, 245, 1912 ; N.Q., Cooktown. 
j A. n. alboides M., ib., 246, 1912 ; N.W.A., Parry’s Creek, 
k 4. cl. robuslus Zietz, S.A. Orn., 1, 13, 1914 ; N.T., Melville I. 
