354 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). Nest 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 3-4, 1.19 X .87, "light blue, speckled and spotted with dark 

 brown." (Goss.) Hab. Sierra Nevada (both slopes) from Fort 

 Crook to Fort Tejon ; southern coast ranges of California (?). 



478a. C. stelleri frontalis (RiDaw.). Blue-fronted Jay. 

 #*. A whitish spot over eye. 



c 1 . Head and fore-neck black. 



d 1 . White spot over eye smaller (sometimes indistinct) ; streaks on 

 forehead light blue, sometimes indistinct. 



Back dusky, and blue very deep, as in C. stelleri; 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. 



. C. stelleri annectens (BAIRD). Black-headed Jay. 1 

 d 2 . White spot over eye very conspicuous, never indistinct ; streaks on 



forehead bluish white, or pure white. 



e l . 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). Eggs 3-6, 1.25 X -86, 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. 

 4785. C. stelleri macrolopha (BAIRD). Long-crested Jay. 

 e*. 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 (BoNAP.). Diademed Jay. 1 



c 2 . Head (except on sides) and fore-neck deep blue. Plumage entirely 

 blue, except sides of head, the lores, nasal tufts, and postocular 



l [Cyanoura lielleri] var. annecten* BAIRD, in Hist. N. Am. B. ii. 1874, 281 (in text). Cyanocitta ttelleri 

 annectent RIDOW., Norn. N. Am. B. 1881, No. 2906. 



* Cyanogarrtilus diadematus BONAP., Consp. i. 1850, 377. Cyanocitta diademata SCL., Cat. Am. B. 1861, 

 143. 



