GOULD, John (1804-1881) A group of 5 plates from A Monograph of the Trogonidae, or Family of Trogons. London: Taylor and Francis for the author [n.d., 20th-century?], comprising: Trogon gigas; Trogon mexicanus; Trogon hodgsonii; Trogon caligatus; Trogon nigricaudata. All framed (not examined out of frame), condition generally fine, sheets approximately 525 x 345 mm or larger.