Exquisite matched pair of antique ornithological hand-colored lithographs features detailed studies of wrens, specifically titled Malurus Hypoleucus and Malurus Callainus. The works were executed by the renowned 19th-century naturalist and artist John Gould (1804-1881) in collaboration with Henry Constantine Richter, and printed by the esteemed Hullmandel & Walton Company. The prints are handsomely housed in coordinating gilt frames, with one frame measuring approximately 22 in. H x 18 in. W x 1 1/4 in. D. They are offered in good condition with some toning consistent with age.