Oxypogon lindenii1849StillImageDrawing depicting: Oxypogon guerinii lindenii -- Bearded Helmetcrest. Alternate name on piece: Oxypogon lindeniiGould, John , 1804-1881 (artist)Richter, Henry Constantine , 1821-1902 (artist)Layout drawing, birds well finished; the 3 birds of the final composition, surrounded by sketches of 5 more.ku-gould:20052https://digital.lib.ku.edu/ku-gould/20052Gould 0145aOrnithologyOrnithological illustrationOxypogon lindeniielectronicimage/tiffMonograph of the Trochilidae, or family of hummingbirds--https://digital.lib.ku.edu/ku-gould/6621--Ellis Aves H91This work is free of known copyright restrictions.