BIRBS OF ISrORTH AND MIDDLE AMERICA. 287 



marvjind stylo of colonitioii: Cyanupol I ns liavin^'only the pilouni. .sides 

 of head, and hiiidueck black, the under parts being- whitish or pale 

 vinaceous-gra3% the back, scapulars, and rump light gray or vinaceous- 

 gray, the Avings and tail light grayish blue. 



The only other American genus of jays with a very long and grad- 

 uated tail is Calocitta^ of Mexico and Central America, which has 

 uncovered nostrils, a conspicuous recurved crest, and the plumage 

 chiefly blue. 



KEY TO TIIK SPECIES OK I'ICA. 



a. Bill and nakt><l orhital space black. (Western North America in general.) 



Pica pica hudsonia (p. 287) 

 aa. Bill and naked orbital space yellow. (California. ) Pica nuttalli (p. 291) 



PICA PICA HUDSONIA i Sabine). 

 AMERICAN MAGPIE. 



Similar to P. jj. pica,^^ but averaging decidedh' larger; feathers of 

 throat with setaceous shafts less developed, and with more or less con- 

 cealed white spotting; white spot on inner web of tirst (innermo.st) 

 primary averaging much smaller, rarel}', if ever, occupying the edge 

 of the web; secondaries averaging more greenish blue. 



AduJU {sexes alike).- — Head, neck, chest, upper breast, t)ack, lesser 

 wing-coverts, lower rump, upper and under tail-coverts, anal region, 

 thighs, lower abdomen, and under w^ng-coverts, uniform black, the 

 crown glo.ssed with ])ronze or bronzy greenish, the back faintly glos.sed 

 with bluish green or bluish in certain lights; scapulars, lower breast, 

 upper abdomen, sides, and flanks, white; a broad l)and of grayish 

 white across upper rump; prevailing color of middle and greater wing- 

 coverts and secondaries metallic steel blue, varying to bronz}' green; 

 alula, primary coverts, and primaries blackish, glo.ssed, more or less, 

 with greenish ])ronze, bluish green, or steel bhiish, the inner webs of 

 the primaries mosth' W'hite; this most extensive on the longer (juills, 

 on the first restricted to a large subterminal patch or spot, usually 

 more or less broadly margined along the edge of the web Avith blackish; 

 occasionally the outermost secondary also is marked with a subtermi- 

 nal white spot; tail bright metallic bronzy green, passing into metallic 



«[C'orr((.s] pica Linnaeus, Syst. Nat., ed. 10, i, 1758, 106. — Pica pica Sharpe, Cat. 

 Birds Brit. Mus., iii, 1877, 62, part. — Corrus rusticus Scopoli, Ann., i, 1769, 38. — Pica 

 riisti/'a Dres.ser, Birds Europe, pt. xxii, 1873 (vol. iv, 509, pi. 260). — Pica mdniiolruca 

 Vieillot, Nouv. Diet, d' Hist. Nat., xxvi, 1818, 121.— P/m ((///(ctn/n.s- Vieillot, Faun. 

 Fram;., 1820, 119. — Pica europwa Boie, Isis, 1826, 551. — Pica gcnnanira BrehniVoir. 

 Deutschl., 1831, 177. — Pica Kcptentriinialis Brehni, Vog. Deutschl., 1831, 178. — Pica 

 hiemaliii Brehni, Vog. Deutschl., 1831, 178. — Pica caudata Keyserling and Bla.>*ius, 

 Wirb. Fait., 1840, 45; Gould, Birds Europe, iii, 1835?, i)l. 216; Birds Gt. Brit., iii, 

 1873, pi. 216; Yarrell, Hist. Brit. Birds, ii, 1839, 107.— Pica raria Sohlegel, Rev. 

 Crit., 1844, 54; Dier. Nederl., Vog., 1861, pi. 13, figs. 7, 7a; Mus. Pays-Bas, Coraces, 

 1867, 390. — Pica rulgari;s Brehni, Journ. fiir Orn., 1858, 173. (Europe.) 



