Eucephala caerulea.1857StillImageDrawing depicting: Eucephala caerulea.Gould, John , 1804-1881 (artist)Richter, Henry Constantine , 1821-1902 (artist)Layout drawing, birds very finished; at head of sheet "2 -". [Curtis] 6-4526. Title in pencil by Sotheran, bookseller.ku-gould:19119https://digital.lib.ku.edu/ku-gould/19119Gould 964OrnithologyOrnithological illustrationelectronicimage/tiffMonograph of the Trochilidae, or family of hummingbirds--https://digital.lib.ku.edu/ku-gould/5677--Ellis Aves H91This work is free of known copyright restrictions.