344 BULLETIN 30, UNITED STATES NATIONAL MUSEUM. 



Ci/aiiocitta Ultramar ina .Stkickland, Ann. and Mag. N. H., xv, 1845, 260. — Gam- 

 BEL, Journ. Ac. Nat. Sci. Phila., i, 1847, 45 (diagnosis).— Baird, Brewer, 

 and RiDGWAY, Hist. N. Am. Birds, ii, 1874, 284, footnote. 



[Cyanocitta uUramarina'] var. ultratnanna Baird, Brewer, and Ridgway, Hist. 

 N. Am. Birds, ii, 1874, 284. 



ICyanwus'] ultramarinus Gray, Hand-list, ii, 1870, 4, no. 6095. 



Alphelocoma'] uUramarina Cabanis, Mus. Heiu., i, Oct., 1851, 221, footnote. — 

 Ridgway, Man. N. Am. Birds, 1887, 357. 



Aphelocoma uUramarina Sharpe, Cat. Birds Brit. Mus., iii, 1877, 115. 



APHELOCOMA UNICOLOR UNICOLOR (DuBus). 

 TJNICOLORED JAY. 



Adults (sexes alike). — Entire plumage uniform dull cobalt blue, 

 except lores and under surface of rectrices, which are dusky, and under 

 surface of remiges, which are brownish gray; bill, legs, and feet black; 

 iris brown. 



You7ig. — Plumage of head, neck, and bod} , including tail-co\^erts, 

 lesser wing-coverts, and under wing-coverts, uniform sooty, or dark 

 grayish brown; remiges, rectrices, and larger wing-coverts as in 

 adults; bill partly light-colored (the mandible especially). 



Adult male.— Length (skins), 274. 6-321 (310); wing, 154.5-169 

 (161.5); tail, 143.5-159(153.5); exposed culmen, 28-30(29); depth of bill 

 atnostrils, 10-11 (10.5); tarsus, 41-43.5 (42); middle toe, 21-23.5 (22.5)." 



Adnlt female.— 'Length (skins), 294.5-310.5 (303); wing, 157-165 

 (161); tail, 148-160.5 (154.5); exposed culmen, 28.7-30 (29); depth of 

 bill at nostrils, 11; tarsus, 40.5-42 (41.5); middle toe, 20.5-23 (21.5).^ 



Southeastern Mexico, in States of Vera Cruz, Puebla, and Mexico. 



Cyanocorax unicolor Du Bus, Bull. Ac. Roy. Belg., xiv, pt. ii, 1847, 103 (Mexico; 



coll. Brussels Mus.); Esquis. Orn., 1848, pi. 17.— Sclater, Proc. Zool. Soc. 



Lond., 1857, 204 (Jalapa, Vera Cruz); 1859,365 (do.).— Schlegel, Mus. 



Pays-Bas, Coraces (no. 23, livr. 9), 1867, 49 (Jalapa). 

 [OyanociUa] unicolor Bonaparte, Consp. Av., i, 1850, 378 (Mexico). — Sclater 



and Salvin, Norn. Av. Neotr., 1873, 39, part (Mexico). 

 Cyanocitta unicolor Sclater, Cat. Am. Birds, 1862, 143 (Jalapa); Proc. Zool. Soc. 



Lond., 1864, 175 (Valley of Mexico). — Baird, Brewer, and Ridgway, Hist. 



N. Am. Birds, ii, 1874, 284, footnote, part (Cordova and Mirador, Vera 



Cruz). 

 Clyanodtta^ unicolor Baird, Brewer, and Ridgway, Hist. N. Am. Birds, ii, 1874, 



284, part. 

 Aphelocoma unicolor Sharpe, Cat. Birds Brit. Mus., iii, 1877, 118 (Jalapa). — 



Salvin and Godman, Biol. Centr.-Am., Aves, i, 1887, 494, part (Valley of 



Mexico; Puebla; Jalapa).— Lantz, Trans. Kans. Ac. Sci. for 1896-97 (1899), 



222 (Coatepec, Vera Cruz). 

 Alphelocomal unicolor Ridgway, Man. N. Am. Birds, 1887, 358, part. 

 ICyanurus'] unicolor Gray, Hand-list, ii, 1870, 5, no. 6106 (Mexico). 

 Cyanocorax concolor Cassin, Proc. Ac. Nat. Sci. Phila., iv, Feb., 1848, 26 ("Soutti 



America"; coll. Acad. Nat. Sci. Phila), 90 (Puebla, Mexico). 

 (?) Cyanocitta uliramarirm {not Corvus uUramarinus Bonaitarte) Sumichrast, Mem. 



Bost. Soc. N. H., i, 1869, 554 (alpine reg. Vera Cruz). 



«Six specimens, from Jico, Vera Cruz. ''Two specimens, from Jico, Vera Cruz. 



