Hand-colored lithographs, embellished with gum arabic. From "A Monograph of the Trochilidae, or Family of Hummingbirds" (London, 1849-1887). Each matted and in frame. Including: 1. Gould, John, and W. Hart. "Aglaeactis Caumatonota" (Black-throated Sunbeam). Printed by Hullmandel and Walter. 20 5/8 x 13 3/4 in. (524 x 351 mm). 2. Gould, John, and H.C. Richter. "Hypuroptila Buffoni" (Buffon's Plumelteer). Printed by Hullmandel and Walter. 20 1/2 x 13 3/4 in. (521 x 351 mm). Scattered light foxing. 3. Gould, John, and H.C. Richter. "Euxtoxeres Aquila" (Sickle Bill). Printed by Hullmandel and Walter. 20 1/2 x 13 3/4 in. (521 x 351 mm).