London: Gurney and Jackson, 1924. First edition, 8vo, pp. xxi-[xxii], 489-[492]; with 38 plates 17 in color (showing 19 illustrations) of birds by W.H. Riddell, numerous illustrations and diagrams in the text; slight wear at corners but generally a fine, bright copy in original green cloth gilt, t.e.g. This book..... More