502 COEVID^. 



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 luxiiosa. 



Garrulus luxuosus, Less. Rev. Zool. 1839, p. 100 \ 



Xanthoura luxuosa, Bp. Consp. Av. i. p. 380''; 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. S. Nat. Mus. p. 136"; Sennett, Bull. U. S. 



Geol. Surv. iv. p. 29, & v. p. 400'; Sharpe, Cat. B. Brit. Mus. iii. p. 132'; Sol. Ibis, 1879, 



p. 87". 

 Cyanocorax luxuoms, DuBus, Esq. Orn. t. 18 " ; Scl. P. Z. S. 1856, p. 300 '' ; 1859, p. 365 " ; 



1864, p. 175"; Lawr. Ann. Lye. N. Y. ix. p. 201". 

 Cyanocitta luscuosa, Duges, La Nat. i. p. 139 ". 

 Xanthoura incas, var. luxuosa, Baird, Brew., & Ridgw. N. Am. B. ii. p. 295 " ; Merrill, Bull. Nutt. 



Orn. Club, i. p. 89''. 

 Cyanocorax peruvianus, Cass. Pr. Ac. Phil. 1848, p. 89". 

 Corvus peruvianus, Licbt. Preis-Verz. mex. Vog. p. 1^°. 

 Xanthoura guatemalensis, Bp. Consp. Av. i.. p. 380 ^' ?? 

 Cyanocorax guatemalensis, Scl. & Salv. Ibis, 1859, p. 22''; P.Z.S. 1870, p. 837''; Moore, P.Z.S. 



1859, p. 57" ; Taylor, Ibis, 1860, p. 113 '"'. 

 Xanthura guatemalensis, Lawr. Bull. U. S. Nat. Mus. no. 4, p. 25 ". 

 Xanthoura incas, var. guatemalensis, Baird, Brew., & Ridgw. N. Am. B. ii. p. 295 ". 

 Cyanocorax cyanocapillus, Cab. in Tscb. Faun. Per., Aves, p. 233 ". 

 Xanthura cyanocapilla, Sbarpe, Cat. B. Brit. Mus. iii. p. 131'°. 

 Xanthoura incas, /S. cyanocapilla, Dubois, Bull. Ac. Belg. xxxviii. p. 493'°. 



Viridis ; caudse rectricibus quatuor intennediis obscurioribus et cyaneo tinctis, quatuor utrinque externis flavis ; 

 capite summo Isete cyaneo ; stria postfrontali transversa albida ; macula malari triangulari magna cyanea 

 alteraque supra ooulos ejusdem coloris ; loris, oculorum ambitu et regions parotioa et gutture toto nigris ; 

 corpore subtus reliquo flavo viridi plus minusve lavato ; rostro nigro, pedibus corylinis. Long, tota 10"7, 

 alse 4-5, caudse 5-3, rostri a rictu 1-2, tarsi 1-5. (Desor. maris ex Cordova, Mexico. Mus. nostr.) 



Rab. North America, Texas ^"^ ^, valley of the Rio Grande ^^. — Mexico ^ ^ ^o, San Diego 

 in Nuevo Leon {Couch ^), Sierra Madre {Xantus ^), Guanajuato {Buges ^^), valley of 

 Mexico {White ^*), Perote, Puebla {Pease ^^j, hot and temperate region of Vera 

 Cruz {Sumichrast ^}, Cordova {SalU ^'^), Jalapa ^^ [de Oca ^^), Cacoprieto, Santa 

 Efigenia ^^ {Sumichrast), Merida in Yucatan {Schott ^, Gaumer) ; British Honduras, 

 Belize {Blancaneaux) ; Guatemala ^i, Cahabon {Skinner ^^j, Yzabal, Choctum, 

 Zapote, Savana Grande, Rio Chiguati, Patio Bolas, Retalhuleu {0. S. & F. B. G.) ; 

 HorouRAS {Taylor ^% Omoa {Leyland^% San Pedro {G. M. Whitely^^). 



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" 



