46 ACCTPITEES. 



Diriyhs, Orn. Anstr., pt. iii (1866); Gray, Hand-list Bds. vol. 1, 

 p. 28 (1869); Sharpe, Cat. Bds. Brit. Mus., vol. i, p. 338 (1874) ; 

 liamsay, Proc. Zool. Soc, p. 579 (1875); Gurney, Ibis, 1879, p. 

 333 ; id. List. Diurn. Bds. Prey, p. 84 (1884) ; Ramsay, Tab. List 

 Anstr. Bds., p. 1 (18S8) ; North, Nests and Egcjs Austr. Bds., p. 14, 

 pi. iii, fig. 6 (1889) ; id. Proc. Linn. Soc. N.S. W., vol. iv, 2ndser., 

 p. 1024 (1890) ; Ramsay, Bull. No. 1, Dcipt. Agri. N.S. W., p. 240 

 (1890); Sharpe, Index Gould's Works, p. 99 (1893) ; KeartL Aves, 

 Horn Exped. Ccntr. Austr., p. 107 (1896) ; id. Vict. Nat., vol. xiii. 

 p. 61 (1896). 



Adult female. Forehead white, becoming; bluish-grey on the 

 crown of the head; all the upper surface light silvery bluish-grey, 

 becoming almost white on the outer Avebs of the tail-feathers, 

 pure white on the inner webs and on the under surface ; the 

 whole of the under surface of the body snow-white, with a faint 

 shade of silvery grey on the flanks and sides of the chest ; wing- 

 coverts (shoulders), except the largest series, black ; wing bluish 

 silvery grey, darker on the primaries, which are darkest at the 

 tips ; under surface of primaries dark bluish-grey, inclining to 

 blackish on the outer quills ; inner series of the primary coverts 

 black, remainder dark bluish-grey, shaded with blackish on 

 margins, small feathers under spurious wing, at base of upper 

 primary coverts black ; margins of the wing and rest of the under 

 wing-coverts and axillaries snow-white ; under surface of the 

 secondaries and scapulars white, with a faint shade of bluish 

 grey ; lores, and a narrow line over the eye black ; bill and claws 

 black ; cere citron ; legs and feet yellow ; iris varying from deep 

 carmine to blood red. Total length 13'4 inches, expanse of 

 wings 37'7, wing from flexure 12, tail 6, tarsus 1"5, tibia 2'8. 

 mid-toe 1'2, outer toe 0'75, inner toe O'S, hind toe 075, bill from 

 posterior base of cere 09, culmen I'l, bill from nostril 0'6, from 

 anterior margin of cere O'S, from angle of the mouth to tip of 

 bill 1-3, shield over the eyelid 0-45 X 0-2 



Adult male. Similar to the female in plumage, and equal in size. 



Young. Eesembling the adult, but having the crown of the 

 head and all the upper surface of the body brown, washed with 

 pale rufous on the sides of the neck, scapulars and adjacent 

 wing-coverts, rump, and upper tail-coverts ; the chest washed 

 with pale rufous at the tips of the feathers, which are centered 

 with a narrow shaft stripe of dark brown ; shafts of the wings 

 above dark brown, those of the tail feathers almost black ; 

 of both the Avings and tail below white, except those of the 

 primaries, which are brown ; the two centre tail feathers and 

 outer webs of the rest ashy brown, tips and remainder of the 

 tail feathers white ; wings ashy brown, darker towards the tips of 

 the primaries ; secondaries and greater wing-coverts largely tipped 

 with white, those parts of the wing above black in the adult are 



