. British birds. Birds. DEVELOPMENT OF A YOUNG KESTEEL. 299 blood-quills appeared on the tail and wings, the former bursting on the twelfth day, the latter on the thirteenth. Up to this age the area beneath the eye, and extending from the beak to behind the orbit, had been devoid of down, but on the sixteenth day pin-feathers appeared. FIG. 1. KESTREL. TWENTY-SEVEN DAYS OLD. here, bursting the following day ; the scapulars also appeared on the sixteenth day, the feathers of the rump following a day later. At the age of eighteen days the feathers of the flanks, thighs, breast and crown of the h


. British birds. Birds. DEVELOPMENT OF A YOUNG KESTEEL. 299 blood-quills appeared on the tail and wings, the former bursting on the twelfth day, the latter on the thirteenth. Up to this age the area beneath the eye, and extending from the beak to behind the orbit, had been devoid of down, but on the sixteenth day pin-feathers appeared. FIG. 1. KESTREL. TWENTY-SEVEN DAYS OLD. here, bursting the following day ; the scapulars also appeared on the sixteenth day, the feathers of the rump following a day later. At the age of eighteen days the feathers of the flanks, thighs, breast and crown of the head appeared, the tail and wing-coverts and mantle- feathers being apparent on the nineteenth day. I noticed that at this age the down and feather-scale pulled. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original London, Witherby & Co


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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherl, booksubjectbirds