Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleXVI.- Flight Feathers as Age Indicators in Dendrugapus.AuthorsRossem, A. J. vanPublicationIbis, 1925, Vol 67, Issue 2, p417ISSN0019-1019Publication typeArticleDOI10.1111/j.1474-919X.1925.tb02930.x