Birds Beneficial to Agriculture. British Museum (Natural History) Economic Series No.9.
Published by Trustees of The British Museum in London 1919
Paperback, 47pp, indexed, illus with b/w plates. Bookplate and stamps to inside of front cover, foxing to edges, some browning to pages, handling wear to covers, ink library number to spine, slight loss to top, rear cover beginning to split from the top. A Good, Sound copy overall.