Falco. 

 Measiireuients of average-sized specimens from different localities. 



A 1 $ ad. sk. 



A 2 ^ „ ,, 



A 3 5? ,, ,, North Australia. 



B 1 (J semi-ad. sk. Springsure, Queensland 



BarcooKiver, Queensland. Shot at the nest. Pres. 



Pch. 

 Pres. 



B 2 2 



mntd. Singleton, New South "Wales. 



3. Falco subniger. 



Tha Black Falcon. 



Falco subniger, Gray, Ann. and May. Nat. Hist., vol. xi, p. 371 (1843) ; 

 id. Gen. Bd.^., vol. i, p. 19, pi. 8 (1845); Goidd, Bck. Audr., 

 vol. i, pi. 9 (1848) ; Sturt, Exped. Centr. Aicstr., vol. ii, App. p. 

 14 (1849) ; Bonaji. Consp. Av., torn, i, p. 24 (1850) ; SirickL Orn. 

 Syn., p. 80 (1855); Gould, Handbk. Bds. Austr., vol. 1, p. 28, 

 sp. 9 (I860) ; Gray, Hand-list Bds., vol. i, p. 18 (1869) ; Diggks, 

 Orn. Austr., pt. 9 (1869); Sharpe, Cat. Bds. Brit. Mas., vol. i, 

 p. 394 (1874) ; id. Proc. Zool. Soc. (1875), p. 339 ; Ramsay, Free. 

 Zool. Soc. (1875), p. 579 ; Bennett, Froc. Linn. Soc, X.S.W., vol. 

 X, p. 162 (1886); Broadh., Froc. Boy. Soc, Queensland, p. 24 

 (1887) ; Ramsay, Tab. List Austr. Bds., p. 1 (1888) ; Xorth, Nests 

 and Egrjs. Austr. Bds., p. 18, pi. iii, fig. 1 (1889) ; Broadh., Froc. 

 Roy. Soc, Queensland, vol. v, p. 15 (1889) ; Be Vis, Rep. Sci. 

 Eo:p., N.E. Queensland, p. 84 (1889); Sharpe, Iiulex Gould's 

 Works, p. 109 (1893). 



Hierofalco subniger, Kaup, Contr. Orn., 1850, p. 56; Bonap. Rer. ef 

 Mag. de Zool. (1854), p. 536. 



Gennaia subnigra, Gurney, Ibis (1882), p. 452. 



Gennaia subniger, Gurney, List Diurn. Bds., p. Ill (1884); Gurnet/, 

 jun., Cat. Bds. Frey, p. 29 (1894). 



Adult female. The whole of the upper and under surface dark 

 brown, becoming blackish brown on the upper surface and dull 



