On the top of the head two linear-lanceolate decurved feathers, having their webs deflected; upper part of head, hind neck, fore part of back, lower part of fore neck, and a part of the breast, greyish-blue; feathers along the base of the bill, and a band from the eye down the side of the neck, white; elongated feathers on the head black; throat deep chestnut, margined on each side with a black line; back and rump reddish-brown; quills and tail-feathers wood-brown, margined with reddish-brown; inner secondaries broadly margined internally with white; middle of breast chestnut, as are the upper hypochondrial feathers, which are margined on their inner web toward the end with a narrow black and a broad white band, the intervening space on the sides broadly banded with white, black, and chestnut. Female somewhat less, similar to the male, but less brightly coloured. _Male_, 11, wing 5-3/4. _Female_, 10, wing 5-1/2. Columbia River, and Upper California. Rather rare. Migratory. Plumed Partridge, Perdix plumifera, Aud. Orn. Biog. v. v. p. 226. 294. 4. Ortyx neoxenus, Vigors. Welcome Partridge. Plate CCCCXXIII. Fig. 3. Young. Crest short, straight, directed backwards, of about half a dozen elongated feathers; upper parts olive-brown, a rufous streak behind the eye; wing-coverts dark brown, with light margins; quills dusky brown, some of them slightly marked on the edges with paler spots; tail dusky, with about eight waved irregular lines of pale brown; lower parts dark brown, copiously marked with roundish white spots. Length 7-1/2, wing 4-3/8. California. Welcome Quail, Ortyx neoxenus, Vig. Gard. and Menag. of Zool. Soc. v. ii. p. 311. Welcome Partridge, Perdix neoxenus, Aud. Orn. Biog. v. v. p. 228. FAMILY XXXII. TETRAONINÆ. GROUSE.