Troctes massenae1869StillImageDrawing depicting: Trogon citreolus -- Citreoline trogon; Trogón citrino. Alternate name on piece: Troctes massenaeGould, John , 1804-1881 (artist)Richter, Henry Constantine , 1821-1902 (artist)There may or not be a basic sketch by Gould under all the later activity, but the main work is consistent with Richter's work on a preliminary sketch, and then Gould would appear to have gone over outlines and accented shapes and sizes;Rough layout drawing, color added; one of 3 birds eliminated from published plate, and the positions of the other 2 exchanged; a great deal of very heavy overlining and erasure; Curtis citation (13-4958) lined through; large letter "I."ku-gould:19165https://digital.lib.ku.edu/ku-gould/19165Gould 926OrnithologyOrnithological illustrationelectronicimage/tiffMonograph of the Trogonidae, or family of trogons--https://digital.lib.ku.edu/ku-gould/75--Ellis Aves H135This work is free of known copyright restrictions.