BIRDS OF NORTH AND MIDDLE AMERICA. 381 



A[phelocoma'} califoritka^iuoww, Man. N. Am. Birds, 1887, 356, part. 



Aphelocoma caJifornica obscura Anthony, Proe. Cal. Acad. Std., 2d ser., iii, Oct. 11, 

 1889, 75 (San Pedro Martir Mtf^., Lower California; coll. A. W. Anthony); 

 Zoe, iv, 1893, 2.S9 (crit. j. — American Oi{nithologist.s' Union, Check List, 

 2ded., 1895, no. 4816.— Bendire, Life Hist. N. Am. Birds, ii, 1895, 379.— 

 RiDGWAY, Man. N. Am. Birds, 2d ed., 1896, 600.— Grinnei. (J.), Pasadena 

 Ac. Sci., Pub. ii, 1898, 31 (Los Angeles Co., California, probably n. to 

 Tehachapi). 



APHELOCOMA CALIFORNICA HYPOLEUCA Ridgway. 



XANTUS' JAY. ^ 



Similar to .1. r. ealifoTniea^ but smaller (except the hill) and much 

 paler; the blue portions lighter and clearer azure, and the under jjarts 

 usually whiter, or less strongh^ tinged with pale brownish gray. 



Adult w/a/.^— Length (skins), 2.59-29().5 (278); wing, 121-128 (124); 

 exposed culmen, 27.4-28.7 (27.7); depth of bill at nostrils, 9-10.5 (9.5); 

 tarsus, 86-40 (38.5); middle toe, 22.5-24 (23.5).« 



Adult femali'.—\^^VigW\ (skins), 249-259 (272); wing, 121-126 (128.5); 

 tail, 124.5-136 (131.5); exposed culmen, 27.4-28.4 (27.7); depth of l)ill 

 at nostrils, 9-10 (9.5); tarsus, 87-40.5 (39); middle toe, 22.8-28 (22.6).'' 



Cape district of l>ower Califoi-nia (Cape St. Lucas, San Jose del 

 (7a])o, San Nicolas, Triunfo, La Paz, etc.), north to about latitude 28°. 



Of/anocitta calif omiea (not Gan'uliis californicuK Vigors) Baird, Proc. Ac. Nat. 

 Sci. Phila., 1859, 301, 305 (Cape St. Likum; crit.).— Cooper, Orn. Cal., 1870, 

 302, part (Cape St. Lucas). 



Aphelocoma californlca Ridgway', Nom. N. Am. Birds, 1881, no. 293, part. — 

 Belding [and Ridgway], Proc. U. S. Nat. Mus., v, 1882, 541 (La Paz, Lower 

 California), vi, 1883, 348 (Victoria Mts., Lower California). — American 

 Ornithologists' Union, Check List, 1886, no. 481, part (Cape St. Lucas). 



Aphelocoma jioridana californica Coties, Check List, 2d ed., 1882, no. 356, part. 



A[pheloco)ti((] f[J(>nda7ia'] califorvlea Coues. Key N. Am. Birds, 2d ed., 1884, 424, 

 l)art. 



Alpheloconia] californica hypoleuca Ridgway, Man. N. Am. r>irds, 1887, 356 (La 

 Paz, Lower California; coll. U. S. Nat. Mus.). 



Aphelocoma californica hypoleuca Ridgway, Man. N. Am. Birds, 1887, 592; 2d 

 ed., 1896, 613.— Bryant, Proc. Cal. Ac. Sci., 2d ser., ii, 1889, 20 (San Igna- 

 cio. Lower California; descr. nest and eggs). — American Ornithologists' 

 Union Committee, Suppl. to Check List, 1889, 11 (no. 481«); Check List, 

 2d ed., 1895, no. 481rt.— Bendire, Life Hist. N. Am. Birds, ii, 1895, 378.- 

 Brewster, Bull. ^lus. Comp. Zool., xli, 1902, 123 (crit.; variations; habits; 

 descr. nest and eggs). 



APHELOCOMA INSULARIS Henshaw. 

 SANTA CRTJZ JAY. 



Most like .1. callfoi'nica ob^cui'it in coloration but very inucli darktM". 

 and larger even than A. c. californica. 



« Five specimens. ^ Three specimens. 



