MARSHALL, Charles Henry Tillson & George Frederick Leycester MARSHALL. A Monograph of the Capitonidae, or Scansorial Barbets, London: by the authors, [1870]-71, lge. 4°, PRESENTATION COPY FROM ONE AUTHOR TO HIS SON, 73 hand-coloured lithographs after Keulemans (light browning at margins, occasional spotting to text), contemporary half morocco (neatly rebacked preserving old spine). [Zimmer p.416; Nissen IVB 591]