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." (Gross.) Sab. Sierra Nevada (both slopes) from Port 

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



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

 b 2 . 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 O. 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). Sab. Northern Eocky 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 1 . Chest dull smoky bluish ; blue of rump and lower parts a light 



dull turquoise hue (as in O. 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 G stelleri. Sab. Southern Eocky Mountains, north 



to southern Wyoming, west to Uintah Mountains, Utah and 



higher mountains of Arizona, south to northern Mexico. 



4786. C. stelleri macrolopha (Baird). Long-crested Jay. 



e 2 . Chest deep blue ; blue of rump and lower parts of a greenish 



azure hue ; otherwise similar to O. 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). Sab. Highlands 



of central Mexico, east to Mirador. 



C. stelleri diademata (Bonap.). Diademed Jay. 2 



c 2 . 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 Baird, in Hist. N. Am. B. ii. 1874, 281 (iri text). Cyanocitta stelleri 

 annectens RiDGW., Nom. N. Am. B. 1881, No. 2906. 



2 Cyanogarrulus diadematus Bonap., Consp. i. 1850, 377. Cyanocitta diadefmata Sol., Cat. Am. B. 1861, 

 143. 



