BIRDS OF NORTH AND MIDDLE AMERICA. 



361 



hua Mts., Arizona; habits). — American Ornithologists' Union, Check List, 

 1886, no. 478/a— Mearns, Auk, vii, 1890, 256 (IMogollon and San Franci.sco 

 mountains, Arizona). — Merkiam, North Am. Fauna, no. :i, 1890, 39 ((irand 

 Canyon of the Colorado), 94 (San Francisco Mtn.). — Jofv, Troc. U. S. Nat. 

 Mus., xvi, 1893, 781 (mountains s. of Nogales, Sonora). — Allen, Bull. Am. 

 Mus. N. H., V, 1893, 37 (El Pinita, n. e. Sonora).— Bendire, Life Hist. N. Am. 

 Birds, ii, 1895, 367-, pi. 5, figs. 11, 12 (eggs). 



('[yanocitta] .s[/e//m] macrolopha Coues, Key N. Am. Birds, 2d ed., 1884, 422. 



C[ycm(irltt<i] xtcUeri VKicrolnpha 'RiDcw'w, I\Ian. N. Am. Birds, 1887, 354. 



CYANOCITTA STELLERI AZTECA Ridgway. 

 AZTEC JAY. 



Similar to C. s. diademata., but neck, back, and scapulars dull ])lue 

 in-stead of brownish gray, crest more or less tinged or washed with 

 blue, and the general blue color much deeper (rump, upper tail-coverts, 

 and under parts of body azure blue instead of pale blue or light tur- 

 quoise blue, the wing-coverts, secondaries, and tail dull paris blue 

 instead of dull cobalt); streaks on forehead more tinged with blue. 



Adult m«/tf.— Length (skins), 279.5-294.5 (284.5); wing, 143.. 5-152 

 (149); tail, 139.5-149.5 (143.5); exposed culmen, 25-28 (26); depth of 

 bill at nostrils, 9.5-10.2 (9.9); tarsus, 40.5-44.5 (42.5); middle toe, 

 23-24 (23.5).« 



Adult female.— luQw^ih (skins), 279.5-292 (281); wing, 137.5-148 

 (142); tail, 134-139 (137); exposed culmen, 23.5-25.5 (25); depth of 

 bill at nostrils, 8.9-9.6 (9.4); tarsus, 41-45 (42.5); middle toe, 22.5- 

 23.5 (23).^ 



South-central Mexico, in the States of Vera Cruz (Orizaba, Mira- 

 dor), Puel)la (Hacienda de San Pedro and Tochiniiico). Mor(>los 

 (Tetela del Volcan), Mexico (Popocatapetl, Iztacciahuatl, Ajusco, 

 Valley of Mexico, etc.), and Michoacan (Patzcuaro).*^ 



« Eight specimens. 



^ Five specimens. 



''Specimens from Patzcuaro, Miclioaoan, are somewhat different from exi^mples 

 representing the other localities mentioned above, being sHghtly deeper in color, 

 with the crest more strongly washed with blue. Tliey also average slightly smaller. 

 They show an approach toward C s. coronatct, which is the form of the adjacent 

 States of Colima and Guerrero, but are decidedly nearer the present form. Speci- 

 mens average in measurements as follows; 



Locality. 



Amu.T MALES. 



Four specimens from State of Mexico (Popocata- 

 petl) 



Four specimens from State of Michoacan (Patz- 

 cuaro) 



ADl'I.T KKMAI.ES. 



Four specimens from State of Mexico 



One specimen from State of Michoacan 



Wins. 



1-17 



li:? 

 139. 5 



Tail. 



lU.r. 



VMi. 5 

 139 



Ex- 

 posed 

 culmen, 



•J,^. ft 



24.5 

 25.5 



Depth 

 of bill 

 at nos- 

 trils. 



9.5 

 9.5 



Tarsus. 



•12. 5 

 43 



Middle 



toe. 



23.5 

 23 



23 

 23.5 



