CYANOCITTA., 353 
Genus CYANOCITTA Srricktanp. (Page 351, pl. C., fig. 1.) 
Species, 
Common Cuaracters.—Upper parts mainly blue, the secondaries and tail 
(sometimes greater coverts also) barred with black; head black or varied with 
black ; lower parts uniform blue, or whitish with a black collar across chest. 
a, Lower parts whitish; greater wing-coverts, secondaries, and tail-feathers (ex- 
cept middle pair) broadly tipped with white. (Adult: Crest and back light 
purplish blue; wings and tail bright cobalt-blue, the greater coverts, sec- 
ondaries, and tail barred with black; sides of head, chin, and throat purplish 
whitish, bordered posteriorly by a black collar, commencing under the crest, 
widening into a crescent across chest, and sending forward a streak to the 
eye; lores and narrow frontal band also black; breast and sides smoky 
grayish, belly and under tail-coverts white. Young: Similar, but colors 
duller and less sharply contrasted.) 
6. Larger, with more white on tips of secondaries and tail-feathers (on outer 
tail-feather 1.00, or more, in extent); length 11.00-12.50, wing 5.00-5.70 
(5.28), tail 5.05-5.70 (5.36), exposed culmen .93-1.06 (1.00), tarsus 1.24— 
1.45 (1.37). Mest of dried twigs, rootlets, etc., built usually in trees, often 
in orchards or about houses. Hygs 3-6, 1.10 x .81, pale olive, isabella- 
color, greenish, or buffy, rather sparsely spotted or speckled with brown. 
Hab. Eastern North America, except Florida, north to Fur Countries, 
west to Great Plaing............sse0eee 477. C. cristata (Linn.). Blue Jay. 
b?, Smaller, with less white on tips of secondaries and tail-feathers (that on 
outer tail-feather less than 1.00 in extent) ; length 10.00-11.50, wing 4.80- 
5.30 (5.02), tail 4.80-5.50 (5.08), culmen .93-1.03 (.98), tarsus 1.26-1.42 
(1.34). Hab. Florida and along the Gulf coast to Texas. 
477a. C. cristata florincola Cours. Florida Blue Jay. 
a, Lower parts blue; wing and tail without any white. 
v'. No whitish spot over eye. 
c, Head (including crest), neck, and back deep black, or brownish black, 
the forehead not conspicuously (often not at all) streaked on fore- 
head with blue; blue of secondaries and tail a deep Berlin-blue shade, 
that of ramp and lower parts paler; length about 12.00-13.00, wing 
5.55-6.20 (5.86), tail 5.30-6.35 (5.74), culmen .96-1.18 (1.09), tarsus 
1.55-1.81 (1.72). West in coniferous trees. Hygs 3-5, 1.24 x .92, usu- 
ally pale bluish green, speckled with clove- brown, sometimes pale 
greenish gray, speckled with reddish brown. ‘Hab. Northwest 
coast, north to Sitka, south to northern California (on coast only). 
478. C. stelleri (GmzL.). Steller's Jay. 
ce. Head, neck, and back brownish slaty, the crest more or less strongly 
tinged with blue, and forehead conspicuously streaked with the 
same; blue of secondaries and tail much lighter (deep azure), that 
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