December 1933 – vol. 27, issue 7–175 FOR over forty years I have been collecting bird-skins for various scientific purposes, chief of which have been the study of plumages and moults, and geographical variation. Recently I have had to give up, to a large extent, constant Â·work on these subjects and consequently have not used my collection in a way which seemed to me to justify my keeping it. As I have for long regarded the collect... This article is only available to registered users.To read more, please log in or purchase a subscription.