BIRDS OF NORTH AND MIDDLE AMERICA. 295 



[Cyanurus] n)Uiii Bunapaktio, ("(nisit. Av., i, 1850, o81. — Gkay, Hand-list, ii, 1870, 

 6, no. 6126. 



Cyanurus colUel Duges, La Naturaleza, i, 186t), 189 (Guadalajara; Guanajuato). 



Calocitta colliaei Baikd, Rep. Pacitic R. R. Surv., ix, 1858, 592. 



Calodttq colliei Finsch, Abh. Nat. Yer. Brem., i, July, 1870, 834 (Mazatlan). — 

 Lawkence, Mem. Bost. Soc. N. H., ii, 1874, 284 (Mazatlan; habits). — 

 Hhahpe, Cat. Birds Brit. Mus., iii, 1877, 89 (San Bias). — Ridgway, Proc. 

 U. S. Nat. Mus., iii, 1880, 236.— Salvin and Godman, Biol. Centr.-Ain., 

 Aves, i, 1887, 507.— Stone, Proc. Ac. Nat. Sci. Phila., 1891, 442 ("Aca- 

 pulco").— JouY, Proc. U. S. Nat. Mus., xvi, 1898, 782 (Barranca Ibarra, 

 Jalisco; habits, etc.). 



{Calocitta] ro//(Vf Sclatek and Salvin, Noni. Av. Neotr., 1873, 40. 



C[_alocitta'} colliei Ridgway, Man. N. Am. Birds, 1887, 350, footnote. 



Pica bernettii Gray, in Griffith's ed. Cuvier's Anim. Kingd., Aves, ii*, 1834, 334, 

 plate (Mazatlan). 



Corvus bullockii (not Pica bullockii Wagler) Audubon, Orii. Biog., i, 1881, 483, 

 pi. 96 ("Columbia River"). 



Pica bullockii (not of Wagler) Audubon, Synopsis, 1839, 152; Birds Am., oct. 

 ed., iv., 1842, 105, pi. 229 ("North California"). 



dan-ulus bvllocl-ii-^VTTALh, Man. Orn. U. S. and Can., i, 1882, 280 ("Colum- 

 bia R."). 



Cyunuru hullocki Bonaparte, Proc. Zool. Soc. Lond., 1887, 115. 



Cyanurus hullocki Bonaparte, Proc. Zool. Soc. Lond., 1837, 115; 1850, 84 (diagn. 

 and synonymy); Geog. and Comp. List, 1838, 27; Nuovi Ann. Sc. Nat. 

 Bolon'g., ii, 1839, 343. 



Clcdocitta] bullockii Gray', List Gen. Birds, 1841, 50, part. 



Pl^^ilorlmms] bullockii Gray, Gen. Birds, ii, 1849, 308 (excl. svn. part). 



Calocitta eleyans Finsch, Abh. Nat. Yer. Brem., i, June, 1870, 335 (Mazatlan, 

 Sinaloa; coll. Bremen Mus. ;=young). 



CALOCITTA FORMOSA FORMOSA (Swainson). 

 BXJILOCKS MAGPIE-JAY. 



Similar to O. colliei^ but sinallor, with relatively much shorter tail; 

 sides of head chief! 3' white; chin, throat, and chest white (the latter 

 crossed'b}" a black collar), and the back gray instead of bhie. 



Adult male. — Pileum (includino- occiput and crest), a patch on side 

 of neck (behind auriculars), a more or less well developed trianoular 

 patch on malar region (extending- upward to e3'e), and a curved band 

 or collar across chest, black (crown and occiput sometimes mixed or 

 tinged with blue); hindneck. back, scapulars, rump, and wings plain 

 ash grav, the tirst and last more or less tinged with blue, especially 

 the secondaries, basal half of primaiies, primary coverts, and alulie; 

 u])per tail-coverts and tail i)lain blue (dull (•o])alt or ultramarine), the 

 four outermost rectrices vi*r\' broadly ti})ped with white and with 

 tlieii- inner webs blackish; sides of head (except as described) and 

 under parts (except collar across chest) white, the tirst sometiuK^s 

 tinged with pale purplish blue, especially on malar region; bill. legs, 

 and feet black; iris brown;" length (skins). 457-520.5 {■^S'o)', wing-. 



"According to Xantus, manuscript. 



