Plate CCCXCIII. Fig. 4. Male. Fig. 5. Female.
Male with the upper parts and throat ultramarine blue; fore part of
back, breast, and sides, light chestnut-red; rest of lower parts light
blue, the abdomen whitish. Female with the upper parts dull
greyish-blue, the back tinged with brown, the wing-coverts and rump
brighter; lower parts pale red, the abdomen light grey.
_Male_, 7; wing, 4-5/12. _Female_, 6-3/4.
North California, and Oregon Territory. Abundant. Migratory.
Sialia occidentalis, Western Blue Bird, Towns. Journ. Acad.
Nat. Sc. Philadelphia, v. vii. p. 188.
Western Blue Bird, Sylvia occidentalis, Aud. Orn. Biog. v. v.
p. 41.