. British birds. Birds. ( 78 ) DOWN TRACTS IN NESTLING BIRDS. COLLINGWOOD INGRAM. On p. *xiv. of the Practical Handbook of British Birds drngrscms are given of the dorsal and ventral aspects of an altricial bird. r^ 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