IIIKKACIDEA. 277 



\'ouii,i,' birds are dark brown above with pale rufous uiarj^'ins to the upper win,i,'-co\'erts, 

 scapulars and feathers of the back, and sHi^'htly broader and darker on the upper tail-coverts; 

 tail feathers dark brown and barred on both webs with rufous, less distinct on the central pair, 

 which are slightly washed with fjtey ; crown of the head dark brown with indistinct pale rufous 

 margins to most of the feathers; bases of some of the feathers on the nape rufous; forehead 

 huffy-white; lores, sides of the head and ear-coverts black; throat whitish with very narrow 

 blackish shaft stripes ; sides of neck and fore-neck pale creamy-buff, the latter broadly shaded 

 with dark brown down the centre of each feather; sides of the breast dark rust-rufous, with 

 indistinct blackish-grey narrow shaft streaks, and the remains of similarly coloured cross-bars 

 on the lower sides ; the centre of the abdomen and under tail-coverts very much paler, and 

 similarly streaked with blackish-grey. Wing of a young male obtained at Randwick, near Sydney, 

 8-4 inches. There is as much individual \ariation in the plumage of the yuung of this species 

 as there is in the adult. 



In Eastern Australia September and the three following months constitute the usual breeding 

 season of this species. 



Hieracidea berigora. 



WHITE-BREASTED HAWK. 



Falco heric/ora, Vig. ai)d lloraf.. Trans. Linn. Soc, Vol. XV.. p. 184 (1827). 

 /I'vaci'lea occi'lpu/iiJif:, Gould, lids. Austr., fol. Vol. I,, pi. 12 (1848). 

 lfieraci'h'(tocc.idi>ntalis, Gould, Ilandbk. Bds. Austr., Vol. I., p. 33 (18G.5). 



JHeracidi'a berigorii, 8harpf, Oat. Bds. Brit. Mus., Vol. I., p 421 (1874); {■/ , llaiuM. BJ.s , Vol. I., 

 p. 27G (1899). 



Adult male. — (ii'iieniJ i-nlonr aboiv pale nifo/i,s or nau'li/browu, Ih'' centres of auiiie uf the 

 feather.^ of the back of a in.'rre ilecided shade of broivii, aiid those of' the rjiinp more distiiielhj margined, 

 ir'itli. rufous, and all harim/ uarrofv bbickish shrift lines ; scapnlars and np/nr tvimj-corerts likf the 

 back, but irit/t more pronounced darker centres, the greater series spotted icith rufous ; quills dark 

 brown, spotted with rufous on their outer ivebs, except the outer primaries, and sliglithj ivaslied icith 

 grei/, tlo'ir inner webs notched or tool/ied up to the shafts with rulous, the greater part of the undfr 

 surface of tlie quills, with the exception of a few faint barrings, pure silky-tvliite, the seconda/ries 

 ■margined around the tips ivitli fade fulvoiis-tvhite : tail-feathers greyish-brown, banded with rufou-^ 

 and tipped with u:hite, e.rrept the central pair, these njhite tips being broader on the outermost feather 

 on either side ; crown of tJie liead like the back, the forehead slightly paler, those at the extreme 

 base of upper mandible dull wliitish, all the feathers having distinct narrow black shaft-lines: 

 bases of most of tlie feathers on, tin- nape wltiie, forming there an indistinct band ; feathers 

 around tlie eye blackish : chiyt and t/iroat ftini bn(fi/-white, with narrow blackis/i sliaft-lini's, the sides 

 of the face and base of the ear-coverts a slightly purer while, ivitli a moustacliial brown streak down 

 t/ie cheeks ; apical portion of the ear-coverts bi'own ; remainder of the under surface and under tail- 

 coverts white uiith narrow blackisli shaft lines to tlie feathers, tliose on tlie foreneck ami upper breast 

 and under tail-coverts with a faiiit creamy-buff wash, and passing into a pair rnfms or sandy-brown 

 on the sides of the body : thighs rtifous-broivn, tlie basal portion, of some if the feathers spotted ivith 

 light rufous; '■^ bill horn-blue : legs and fe^t lead colour; iris, dark brown " (Bennett^. Total 

 length in the lie sh 16 inches, iving !■!, tail f-S, bill 1, tarsus ;?"6'. 



Adult female. — '<iinilar in plurnag" to the male, but slightly larger. ^^'ing 14 inches. 



