106 coRviD,*:. 



of the abdomen ; under wing-coverts ashy brown. Total length 

 10-2 inches, cuhnen 0-85, wing 5-5;5, tail 5-3, tarsus 1-4. 



Young. Entirely plumbeous brown, the feathers of the back also 

 streaked with whitish along the shafts. 



Hah. British Columbia, Oregon, Washington territory {Ridgway). 



a, fi. Ad. sk. British Columbia. J. K. Lord, Esq. [C.]. 



c. Juv. sk. Straits. Capt. Kellett and Lieut. Wood [P.]. 



4. Perisoreus capitalis. (Plate V. fig. 1.) 



Perisoreus canadensis, Hm/den, Rep. 1802, p. 171 (jiec L.) ; Allen, 



Bull. Han: Coll. iii. p. 179. 

 Perisoreus canadensis, var. capitalis, Baird, MS. ; Ridi/jv. Bull. Mssex 



Inst. y. p. 199 ; Baird, Brewer, ^ Ridgw. N.-Amer. B. ii. p. 302, 



pi. 41. fig. 4; Coues, B. N. West, p. 221. 



Adult female. General colour above greyish, the wing-coverts 

 coloured like the back, the greater and median series slightly tipped 

 with whitish ; primary-coverts and quills dark brown, externally 

 bluish grej', shading off into whity brown towards the tips of the 

 primaries ; the secondaries more broadly tipped with white, the 

 innermost secondaries almost entirely grey ; tail grey, broadly tipped 

 with white ; nasal bristles huffy white ; crown of head white, the 

 hinder part of the crown and nape grey, forming an ill-defined 

 horseshoe mark ; sides of neck pure white, the hinder neck grey ; 

 lores, entire sides of face and throat white ; rest of under surface 

 pale ashy brown, greyish on the sides of the body, the under tail- 

 eo verts greyish white ; under wing-coverts dark ashy grey. Total 

 length 10-5 inches, culmen 0*85, wing 6'2, tail 5-8, tarsus 1'45. 



Adult male. Similar to the female. Total length 10"3 inches, 

 culmen 0'9, wing 6-1, tail 5-8, tarsus 1*45. 



Hah. Rocky Mountains of the United States. 



a, h. S ^ a^d- sk. Alimosa Creek, Colorado, Smithsonian Institu- 

 August Zl(C.E.A iken). tion [P.]. 



Type. 



27. CYANOCITTA. 



Cyanocitta, Strickl. Ann. N. H. xv. p. 261 (1845) .... C. cristata. 



Cyanogarrulus, Bp. Cmisp. i. p. 376 (1850) C. cristata. 



Lophocorax, Kaup, J. f. O. 1854, p. Iv C. diademata. 



Head of Cyanocitta cristata. 

 Mange. North America and Mexico. 



