832 BULLETIN 50, UKlTED STATES NATIONAL MUSEUM. 



Adults {st\vti< aUke). — Pileum, hiudneck, sides of neck and sides of 

 chest uniform dull ultramarine or french blue; auricular region, sub- 

 orbital region, and greater part of malar region similar but rather 

 duller or darker; lores and postocular region (upper margin of auric- 

 ular region) blackish; a series of white streaks beginning immedi- 

 ately above the eye and continued backward, above the auricular region; 

 back very dark ]>rownish gray or grayish sepia; scapulars and rump 

 similar l)ut (especially the latter) tinged with blue; wings, upper tail- 

 coverts, and tail dull ultraniarine or french blue; chin, throat, and 

 median portion of chest dull white, indistinctly streaked with grayish, 

 the chest streaked with blue; under parts of body pale brownish gray 

 or grayish brown (dull or soiled whitish in worn plumage); under tail- 

 coverts light grayish Idue, the thighs tinged with the same: bill, legs, 

 and feet black; iris brown. 



Young. — Pileum, hindneck, auricular and suborbital regions, and 

 sides of chest dull slate color, slightly tinged with dusk}^ blue; back, 

 scapulars, rump, and smaller wing-coverts dark brownish mouse gray; 

 upper tail-coverts dull grayish blue; chin, throat, and median portion 

 of chest white, the last somewhat streaked with gray; under parts of 

 body pale smoke gray, separated from the white of the chest by a nar- 

 row collar of bluish slaty, connecting the two slaty areas on sides of 

 chest; under tall-coverts and thighs smoke gray; wings (except smaller 

 coverts) and tail as in adults. 



Adult 7»/^?e.— Length (skins), 284.5-313.5 (298); wing, 133.5-140.5 

 (135.5); tail, 138.5-158.5 (148.5); exposed culmen, 81.5-83.5 (88); 

 depth of bill at nostrils, 11-11.7 (11.4); tarsus, 44.2-47.2 (46.5); mid- 

 dle toe, 21.8-26.5 (25.1).^' 



Adxdf female.— l^engt\i (skins), 277-305 (292); wing, 127.5-136 

 (132.5); tail, 142-148.5 (145); exposed culmen, 81.5-81.7 (31.6); depth 

 of bill at nostrils, 10.2-10.4 (10.3); tarsus, 43.5-45.5. (44.7); middle 

 toe, 23-24.5 (28.5).'' 



Santa Cruz Island, Santa Barbara group, southern California. 



Cyanodtia floridana . . . var. californica (not Garrulus californicus Vigors) Hen- 

 SHAw, Rep. Orn. Spec. Wheeler's Surv., 1876, 253, part (Santa Cruz I., Cali- 

 fornia) . 



Aphelocoina insularis Henshaw, Auk, iii, Oct., 1886, 452 (Santa Cruz I. , California; 

 coll. U. S. Nat. Mus.).— RiDGWAY, Man. N. Am. Birds, 1887, 593.— Blake, 

 Auk, iii, 1887, 329 (habits).— American Ornithologists' Union Committee, 

 Suppl. to Check List, 1889, 11 (no. 481.1); Check List, 2d ed., 1895, no. 

 481.1.— TowNSEND, Proc. V. S. Nat. Mus., xiii, 1890, 141.— Bendire, Life 

 Hist. N. Am. Birds, ii, 1895, 379.— Mailliard, Bull. Cooper Orn. Club, i, 

 1899, 42, in text (habits); Condor, ii, 1900, 42 (measurements).— Oberhol- 

 ser, Proc. U. S. Nat. Mus., xxii, 1900, 230 (descr. young).— Bailey (Flor- 

 ence M.), Handb. Birds W. U. S., 1902, 276. 



Alphelocomd] insularis Ridgway, Man. N. Am. Birds, 1887, 356. 



« Five specimens. '' Four specimens. 



