Feet rather long, slender; tarsus covered with short soft feathers, of which the shafts only remain toward the lower part; toes short, their upper surface covered with bristles or the shafts of feathers; tail short, arched, narrow, slightly rounded. Bill greyish-yellow; claws black. General colour of upper parts light yellowish-brown, or umber-brown, spotted with white; the quills with triangular reddish-white spots from the margins of both webs, there being five on each web of the first; the tail similarly barred, there being on the middle feathers four double spots, and the tips of all white. Face greyish-white; throat and ruff white, succeeded by a mottled brown band, beneath which is a patch of white; the rest of the lower parts yellowish-white, with broad bars of light reddish-brown, which are closer on the sides of the breast; abdomen, lower tail-coverts, and legs without spots. _Male_, 10, 24. _Female_, 11. Prairies west of the Mississippi. Abundant. Burrowing Owl, Strix cunicularia, Say, in Long's Exped. v. i. p. 200. Burrowing Owl, Strix cunicularia, Bonap. Amer. Orn. v. i. p. 68. Burrowing Owl, Strix cunicularia, Aud. Orn. Biog. v. v. p. 264. Burrowing Owl, Strix cunicularia, Nutt. Man. v. i. p. 118. 30. 4. Surnia passerinoides, Temm. Columbian Day-Owl. Plate CCCCXXXII. Fig. 4, 5. Male. Tail of moderate length, straight, slightly rounded; wings rather short, much rounded, fourth quill longest, outer three abruptly cut out on the inner web, the first with its filaments thickened but not recurvate, those of the second and third also thickened toward the end. General colour of the upper parts olivaceous brown; the head with numerous small, roundish, yellowish-white spots margined with dusky, of which there are two on each feather; the rest of the upper parts marked with larger, angular, whitish spots; the quills generally with three small and five large white spots on the outer and inner webs; the tail barred with transversely oblong white spots, of which there are seven pairs on the middle feathers. Facial disk brown, spotted with white; throat white, then a transverse brown band, succeeded by white; the lower parts white, with longitudinal brownish-black streaks, the sides brown, faintly spotted with paler. Young with the upper parts rufous, the head with fewer and smaller white spots; those on the lower part of the hind neck very large; the back, scapulars, and wing-coverts unspotted; the wings marked as in the adult, but with pale red spots in the outer, and reddish-white on the inner webs; the tail with only five bands of spots; the lower parts white, longitudinally streaked with light red, of which colour are the sides of the body and neck, and a band across the throat. _Male_, 7, wing 3-((7-1/2)/12). Columbia River. Cheveche chevechoide, Strix passerinoides, Temm. Pl. Col. 344. Little Columbian Owl, Strix passerinoides, Aud. Orn. Biog. v. v. p. 271.