;^94 FALCONID^. 



with irregular burs of dark brown ; feet pale plumbeous or dull 

 greenish grey ; iris pale brown or brownish yellow. Total length 

 15-5 inches, culmeu 1-2, wing 12, tail 7"5, tarsus 1-95. 



Intermediate birds between the two stages described have more 

 distinct pale margins to the upper plumage, and have more or less 

 brown stripes on the chest and upper breast. 



Hab. Indian peninsula. 



a. Ad. St. India. J. R. Reeves, Esq. [P.]. 



b. Ad. sk. India. J. Gould, Esq. 



c. Ad. sk. India. 



d. Ad. St. Nepaul. B. H. Hodgson, Esq. [P. 



e. Juv. sk. Nepaul. B. H. Hodgson, Esq. [P. 

 /. Juv. St. Madras. Dr. Jerdou [P.]. 

 g. Skeleton. Zoological Society. 



h. Sternum. B. H. Hodgson, Esq. [P.]. 



12. Falco hypoleucus. 



Falco hypoleucus, Gould, P. Z. S. 1840, p. 162 (descr. orig.) ; ScM. 



Ahhandl. Geb. Zool. S,-c. p. 16 (1841); Gray, Gen. B. i. p. 19 



(1844) ; Gould, B. Austr. fol. i. pi. 7 (1848) ; Sturt, Exp. C. Austr. 



ii. App. p. 13 (1849) ; Bp. Cotisp. i. p. 24 (1850) ; StricM. Om. 



Syn. p. 80 (1855) ; Gould, Handb. B. Austr. i. p. 24 (1865) ; Gray, 



Hand-l. B. i. p. l8 (1869). 

 Gennaia hypoleucus, Kaup, Cmitr. Orn. 1850, p. 55. 

 Hierofalco hypoleucus, Bp. Rev. et Mag. de Zool. 1854, p. 536. 



Adult. Above ashy, with a fulvous tinge, especially at the edges 

 of the feathers, with a shade of clearer grey on the wing-coverts, 

 all the feathers of the upper surface distinctly centred with a blackish 

 shaft-stripe; head decidedly darker and more bluish, with very 

 numerous black shaft-stripes showing conspicuously ; nape whitish, 

 with broader stripes and a tinge of rufous at the sides ; frontal line 

 and sides of the face whitish, the lores black, and the upper margin 

 of the ear-coverts tinged with greyish ; quills blackish brown, with 

 leaden-grey shafts, the secondaries tipped with bufiy white and 

 shaded with ashy grey ; tail-feathers ashy, with a broad fulvous 

 tip, with a few nearly obsolete bars of black towards the tip, the 

 subterminal one being more distinct, the shafts leaden grey ; under 

 surface of the body entirely white, with a slight shade of buff on 

 the flanks and under tail-coverts, the throat unspotted, but the rest 

 of the feathers narrowly centred with a blackish shaft-stripe, almost 

 obsolete on the thighs and under tail-coverts ; under wing-coverts 

 white, rather more distinctly marked with blackish ; cere, orbits, 

 and gape orange-yellow ; biU yellow at base, black at tip ; feet 

 brilliant orange-yellow ; iris dark brown. Total length 12 inches, 

 culmen 1, wing 10-6, tail 5-5, tarsus 1'75. 



Hab. Australia. 

 a. cJ ad. st. Champion Bay, Australia. Purchased. 



13. Falco subniger. 



Falco subniger. Gray, Ann. N. H. xi. p. 371 (1843) ; id. Gen. B. i. 

 p. 19, pi. 8 (1844) ; Goidd, B. Austr. fol. i. pi. 9 (1848) ; Sturt, 



