NORTH AMERICAN BIRDS. 
of rump and lower parts a dull turquoise tint ; length 11.75-13.00, 
wing 5.50-6.10 (5.67), tail 5.10-5.75 (5.41), exposed culmen 1.00-1.20 
(1.07), tarsus 1.53-1.73 (1.64). West in coniferous trees (often in 
holes), 10 to 50 or more feet from ground, bulky, “made loosely of 
sticks, stems of weeds, and lined with fibrous rootlets and grasses.” 
Eggs 3-5, 1.19 x .89, “light blue, speckled and spotted with dark 
(Goss.) Hab. Sierra Nevada (both slopes) from Fort 
Crook to Fort Tejon; southern coast ranges of California (?). 
478a. C. stelleri frontalis (Ripew.). Blue-fronted Jay. 
v. A whitish spot over eye. 
c. Head and fore-neck black. 
d@. White spot over eye smaller (sometimes indistinct); streaks on 
forehead light blue, sometimes indistinct. 
Back dusky, and blue very deep, as in C. stellert; length 
about 12.50-13.75, wing 5.90-6.60 (6.14), tail 5.80-6.65 
(6.07), exposed culmen .97-1.08 (1.01), tarsus 1.60-1.68 
(1.66), Hab. Northern Rocky Mountains, south to Wah- 
satch range (near Provo, Utah), west to eastern Oregon 
and Washington Territory. 
478c. C. stelleri annectens (Bairp). Black-headed Jay.’ 
d@, White spot over eye very conspicuous, never indistinct; streaks on 
forehead bluish white, or pure white. 
é. Chest dull smoky bluish ; blue of rump and lower parts a light 
dull turquoise hue (as in C. frontalis); length about 11.75- 
13.75, wing 5.65-6.40 (5.93), tail 5.25-6.25 (5.72), exposed 
culmen 1.03-1.14 (1.07), tarsus 1.57-1.72 (1.65). Nest in 
trees (usually conifers). Hggs 3-6, 1.22 x .88, colored like 
those of C. stelleri. Hab. Southern Rocky Mountains, north 
to southern Wyoming, west to Uintah Mountains, Utah and 
higher mountains of Arizona, south to northern Mexico. 
478). C. stelleri macrolopha (Bairp). Long-crested Jay. 
é. Chest deep blue; blue of rump and lower parts of a greenish 
azure hue; otherwise similar to C. macrolopha, but back 
darker, more tinged with blue, and size somewhat smaller ; 
wing 5.55-6.00 (5.82), tail 5.45-5.75 (5.59), exposed culmen 
1.00-1.12 (1.06), tarsus 1.63-1.76 (1.70). Hab. Highlands 
of central Mexico, east to Mirador. 
C. stelleri diademata (Bonar.). Diademed Jay.” 
ce. Head (except on sides) and fore-neck deep blue. Plumage entirely 
blue, except sides of head, the lores, nasal tufts, and postocular 
1[Cyanoura stelleri] var. annectens Barry, in Hist. N. Am. B. ii. 1874, 281 (in text). Cyanocttta stellert 
annectens Ripew., Nom. N. Am. B. 1881, No. 2908. 
143, 
2 Cyanogarrulus diadematus Bonar., Consp. i. 1850, 377. Cyanocitta diademata Scu., Cat. Am. B. 1861, 
