502 CORVIDZA. 
of the frontal feathers and in having a large blue malar spot on either side of the jaw, 
Xanthura approaches Cyanocorax, but its slender form and distinct coloration indicate 
its distinctness; the tail, moreover, is more rounded than in Cyanocorax. 
1. Xanthura luxuosa. 
Garrulus luxuosus, Less. Rev. Zool. 1839, p. 100°. 
Xanthoura luxuosa, Bp. Consp. Av. i. p. 880°; Baird, Mex. Bound. Surv., Zool. ii, Birds, p. 21°; 
Dresser, Ibis, 1865, p. 495*; Sumichrast, Mem. Bost. Soc. N. H. i. p. 554°; Lawr. Mem. 
Bost. Soc. N. H. ii. p. 285°; Merrill, Pr. U. 8S. Nat. Mus. p. 186°; Sennett, Bull. U.S. 
Geol. Surv. iv. p. 29, & v. p. 400°; Sharpe, Cat. B. Brit. Mus. i. p. 182°; Scl. Ibis, 1879, 
p. 87”. 
Cyanocorax luaxuosus, DuBus, Esq. Orn. t. 18%; Scl. P. Z. 8. 1856, p. 300”; 1859, p. 865; 
1864, p.175™; Lawr. Ann. Lyc. N. Y. ix. p. 201”. 
Cyanocitta luxuosa, Dugés, La Nat. i. p. 189". 
Xanthoura incas, var. luxuosa, Baird, Brew., & Ridgw. N. Am. B. i. p. 2957; Merrill, Bull. Nutt. 
Orn. Club, i. p. 89”. 
Cyanocorax peruvianus, Cass. Pr. Ac. Phil. 1848, p. 89°". 
Corvus peruvianus, Licht. Preis-Verz. mex. Vég. p. 1”. 
Xanthoura guatemalensis, Bp. Consp. Av. i. p. 380 * ?? 
Cyanocorax guatemalensis, Scl. & Salv. Ibis, 1859, p. 22”; P. Z.8. 1870, p. 837”; Moore, P.Z.S. 
1859, p. 57™; Taylor, Ibis, 1860, p. 113”. 
Xanthura guatemalensis, Lawr. Bull. U. 8. Nat. Mus. no. 4, p. 25. 
Xanthoura incas, var. guatemalensis, Baird, Brew., & Ridgw. N. Am. B. il. p. 2957. 
Cyanocorax cyanocapillus, Cab. in Tsch. Faun. Per., Aves, p. 233”. 
Xanthura cyanocapilla, Sharpe, Cat. B. Brit. Mus. iii. p. 131”. 
Xanthoura incas, B. cyanocapilla, Dubois, Bull. Ac. Belg. xxxviii. p. 493 °°. 
Viridis ; caude rectricibus quatuor intermediis obscurioribus et cyaneo tinctis, quatuor utrinque externis flavis ; 
capite summo lete cyaneo; stria postfrontali transversa albida; macula malari triangulari magna cyanea 
alteraque supra oculos ejusdem coloris; loris, oculorum ambitu et regione parotica et gutture toto nigris ; 
corpore subtus reliquo flavo viridi plus minusve lavato; rostro nigro, pedibus corylinis. Long. tota 10-7, 
alee 4°5, caudee 5:3, rostri a rictu 1:2, tarsi 1:5. (Descr. maris ex Cordova, Mexico. Mus. nostr.) 
Hab. Nortu America, Texas +? §, valley of the Rio Grande !".—MeExico 17°, San Diego 
in Nuevo Leon (Couch 3), Sierra Madre (Xantus °), Guanajuato (Dugés 1°), valley of 
Mexico (White 4), Perote, Puebla (Pease 1°), hot and temperate region of Vera 
Cruz (Sumichrast®), Cordova (Sallé}*), Jalapa 2° (de Oca }8), Cacoprieto, Santa 
Efigenia 7° (Sumichrast), Merida in Yucatan (Schott !, Gauwmer); British Honpuras, 
Belize (Blancaneaux); GuaTeMALA?!, Cahabon (Skinner **), Yzabal, Choctum, 
Zapote, Savana Grande, Rio Chiguati, Patio Bolas, Retalhuleu (0. 8S. & F. D. G.); 
Honpuras (Yaylor *°), Omoa (Leyland *4), San Pedro (G. M. Whitely 2°). 
We entirely subscribe to Mr. Sclater’s views as to the subdivision of Xanthura incas 
and its allies published in his ** Note on the American Crows of the subgenus Xanthura,” 
