. The Wilson bulletin . rehead and supra-orbital region, though the darker feathers have developed un-der all except the middle of the throat, third band appearedon tail, a sub-malar streak and under primary coverts haveappeared. Xip is not so well along, though the s]:)inal tract iscomplete ; the head almost as far along except forehead, chinand throat; wing lining shows a downy line at roots of (|uillfeathers, scattered cret.])ing up on throat: l^tii,Tuckstill has some down areas on a line over eye, middle of fore-head, eyelids, posterior half (^f orbital ring, just back of ears,an
. The Wilson bulletin . rehead and supra-orbital region, though the darker feathers have developed un-der all except the middle of the throat, third band appearedon tail, a sub-malar streak and under primary coverts haveappeared. Xip is not so well along, though the s]:)inal tract iscomplete ; the head almost as far along except forehead, chinand throat; wing lining shows a downy line at roots of (|uillfeathers, scattered cret.])ing up on throat: l^tii,Tuckstill has some down areas on a line over eye, middle of fore-head, eyelids, posterior half (^f orbital ring, just back of ears,and middle of chin. Nip has a greater extent on the sameplaces; i;5th, little change, less down; 14th, Tuck, under wingcoverts; 15th. third dark band on tail. Tucks eyes almostpear gray, down almost absent except on middle of , down above eye and to a small extent back of it, a littleon forehead anil more on middle of throat and chin; July17th, fourth dark tail band on Tuck; IDth. fourth dark tail ^ ro 50 o j3 Burns—On Broad-winged Hawk. 273 band on Nip; SOth, fifth dark tail band appearing; 33rd, Tuckhas lost all traces of down; 28th, Nip has six,bars on tail,same as Tuck, and has no longer traces of down under chinor about eyes. August 3rd, seven bars on tail; 9th, bothhawks eyes at last a clear pearl gray without the brownish,cloudy effect. A female designated Buteo was taken from the nest July1, 06, when 89 days old, when the juvenile plumage was de-veloping under nestling down, the tips of nearly all the feath-ers bearing tufts of down, the occupit, lores, middle of breast,etc., only in the natal stage, irides pearl gray. July 4, wing15 :50, tail ; 6th, second bar appearing on lengthened tail,barring appearing on primaries and secondaries; 7th, downoff of back and wings, confined to ends of rectrices, wing-coverts and head; 9th, tail shows five narrow dark bars, downalmost absent from head and chin, whole upper ]3lumage ex-hibits silky sheen; 10th, down ye
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1894
