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). Xest in coniferous trees (often in 

 holes), 10 to 50 or more feet from ground, bulkj-, " made loosely of 

 sticks, stems of weeds, and lined with fibrous rootlets and grasses!" 

 Eggs 3-5, 1.19 X -SS, " light blue, speckled and spotted with dark 

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

 Crook to Fort Tejon ; southern roast ranges of Caliliiriiia (?). 



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

 J'. A whitish spot over eye. 



c'. Head and fore-neck black. 



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

 forehead light blue, sometimes indistinct. 



Back duskj-, 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 TerritorJ^ 



478c. C. stelleri annectens (Baird). Black-headed Jay.' 



(P. White spot over e_ye ver}' conspicuous, never indistinct ; stroalw on 



forehead bluish white, or pure white. 



e'. 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. 1.22 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 ]\rexico. 



478/^. 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). Hah. ITigldands 



of central Mexico, east to Mirador. 



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



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



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



> [Cyannurn HcUeri] rar. anneclcnt B.Mnn. in Ilist. N. Am. B. ii. 1S74, 2S1 (in text). Cyanocitta ticlhri 

 anntclna Rinow., Norn. N. Am. B. l.SSl, No. 2906. 



' Ci/anogarrulut diadematut BoNAr., Consp. i. 1850, 377. Cyanocitta diademata ScL., Cat. Am. B. 1801, 

 143. 



