364 NORTH AMERICAN BIRDS. 



GENUS PICICORVUS BONAPARTE. (Page 351, pi. XCIX., fig. 1.) 



Species. 



Adult: Uniform ash-gray, becoming white on fore-part of head; wings and 

 two middle tail-feathers glossy black, the secondaries broadly tipped with white ; 

 tail, except middle feathers, mainly white. Young : Similar to adult, but colors 

 duller and browner. Length about 12.00-13.00, wing 7.10-8.00, tail 5.10-5.40. Nest 

 in coniferous trees (sometimes in cavities), bulky, composed of dried twigs, lined 

 with rootlets, etc. Eggs 1.27 X -94, dull white, sparingly speckled, chiefly on larger 

 end, with brown and purplish gray. Hab. Higher coniferous forests of western 

 North America ; north to Putnam River, Alaska, south to Arizona, east to (and in- 

 cluding) Rocky Mountains... 491. P. columbianus (WiLS.). Clarke's Nutcracker. 



GENUS CYANOCEPHALUS BONAPARTE. (Page 351, pi. XCIX., fig. 2.) 



Species. 



Adult : Uniform grayish blue, becoming deeper blue on head, the throat bright 

 blue, streaked with white. Young : Uniform dull grayish blue, lighter beneath. 

 Length about 10.00-11.75, wing 5.70-6.00, tail 4.80-4.85. Nest in pifion trees, 5-10 

 or more feet up, bulky, composed of shreds of pifion, cedar, and sage-brush bark, 

 grass- and weed-stalks, small twigs, etc. Eggs 3-5, 1.16 X -85, pale greenish blue 

 or bluish or greenish white, thickly but finely speckled with olive-brown. Hab. 

 Plateau region of western North America, chiefly between Rocky Mountains and 

 Sierra Nevada, entirely across United States. 



492. C. cyanocephalus (WIED). Pinon Jay. 



FAMILY STURNID^E. THE STARLINGS. (Page 322.) 



Genera. 

 (Characters same as those given for the Family) Sturnus. (Page 364.) 



GENUS STURNUS LINNJEUS. (Page 364, pi. C., fig. 3.) 



Species. 



Adult in summer (sexes alike) : Glossy greenish and purplish black, speckled, 

 more or less extensively and conspicuously, with light buffy brown and whitish ; 

 greater wing-coverts, secondaries, quills, and tail-feathers edged with light brown- 

 ish buff; bill yellow. Adult in winter: Light brown (on upper parts) and whitish 

 (on lower parts) spotting much more conspicuous than in summer, often obscuring 

 or nearly concealing the underlying glossy green and purple ; bill blackish. Young : 

 Plain grayish brown, the throat whitish, edges of greater wing-coverts, secondaries, 

 quills, and tail-feathers light dull buffy. Length about 7.50-8.50, wing 5.00-5.10, tail 



