356 NORTH AMERICAN BIRDS. 



brownish gray; blue of upper parts, etc., a very deep 

 azure — almost Berlin-blue — shade; length about 11.50- 

 12.25, wing 5.20-5.30 (5.27), tail 6.05-6.25 (6.15), culmen 

 1.15-1.30 (1.22), tarsus 1.70-1.80 (1.75). Sab. Santa Cruz 

 Island, southern California. 



— . A. insularis Hensh. Santa Cruz Jay. 1 

 d?. Lower tail-coverts white, or else very slightly tinged with blue. 

 e 1 . Sides of head blackish, with little, if any, blue tinge ; breast 

 grayish white or very pale grayish, like belly ; back and 

 scapulars brownish gray, without blue tinge. 

 /'- Sides of chest bright blue, the middle portion streaked 

 with blue ; white superciliary stripe very distinct. 

 g 1 . Larger, with smaller bill and feet, the blue darker, 

 the lower parts less purely white ; length about 

 11.50-12.25, wing 4.70-5.20 (4.93), tail 5.45-6.10 

 (5.71), culmen .87-1.03 (.96), tarsus 1.50-1.94 

 (1.62). West in thickets or low trees. Eggs 3-6, 

 1.13 X .81, pure bluish green, speckled with clove- 

 brown ; dull greenish white, speckled or spotted 

 with chestnut, or light buffy spotted with rusty 

 brown and lilac-gray. Sab. Pacific coast of United 

 States, from southern California to Oregon, east to 

 western ^Nevada. 



481. A. californica (Via.). California Jay. 

 g s . Smaller, with larger bill and feet, the blue lighter, the 

 lower parts more purely white; length 11.50-12.00, 

 wing 4.55-5.00 (4.63), tail 5.20-5.80 (5.53), culmen 

 .94-1.07 (1.03), tarsus 1.43-1.60 (1.50). Sab. Lower 

 California (vicinity of Cape St. Lucas). — A. cali- 

 fornica hypoleuca Eidgw. Xantus's Jay.' 

 f 2 - Sides of chest dull brownish gray, the middle portion 

 dull white, streaked with brownish gray or light 

 grayish brown ; white superciliary stripe less distinct 

 (though always apparent). 



Otherwise scarcely different in color from A. cali- 

 fornica; length (skins) about 11.00-11.50, wing 

 5.40-5.55 (5.48). tail 5.95-6.10 (6.00), culmen .98- 

 1.01 (1.00), tarsus 1.60. Sab. Southern Mexico 

 (Orizaba, Oaxaca, Atlisco, etc.). 



A. sumichrasti (Ridqtv.). Sumichrast's Jay. s 



1 Aphelocoma insularis Hensh., Auk, Hi. Oot. 1886, 452. 



2 New subspecies ; based on many specimens from Cape St. Lucas, La Paz, and contiguous localities, collected 

 by J. Xantus and L. Belding. 



8 Cyanocitta californica var. sumichrasti Ridow., in Hist. N. Am. B. ii. 1874, 283. Aphelocoma sumichrasti 

 Sharpe, Cat. B. Brit. Mus. iii. 1877, 114. 



