132 



4. Xanthura luxuosa. 



Pica chloronota, Wagkr, Isis, 1829, p. 750 ( cf juv.j. 



GaiTulus luxuosus, Less. Rev. Zool. 1839, p. 100. 



Cyanocorax luxuosus, Du Bus, Esq. Orn. pi. 18 ; Cass. B. Calif. ^ 



Te.ras, p. 1, pi. i. ; Sclatcr, Cat. Am. B. p. 144; Sclater ^- Salvin, 



Xoiiieiicl. Av. Neotr. p. 39. 

 Xanthoura luxuosa, Bp. Comp. i. p. 380 ; Baird, B. N. Amer. p. 589 j 



Lawr. Meni. Bost. Soc. N. H. ii. p. 285. 

 Xanthocitta luxuosa, Cah. Mus. Hein. Th. i. p. 224. 

 Cyanocorax peruvianus. Cass. Pr. Acad. Nat. Sci. Philad. \\. p. 89. 

 Cyauocorax ^iicas, Lawr. Ann. Lye. N. Y. 1851, p. 115. 

 Cyanurus luxuosus, Gray, Iland-l. B. ii. p. 5. 

 Xauthoura incas, var. luxuosa, Baird, Breicer, ^- Ridgic. K. Amer. B. 



ii. p. 295. 



Adult. Above green, with a slight tinge of blue on the back and 

 upper tail-coverts ; the wings green, like the back, the secondaries 

 darker ; four centre tail-feathers green, the two middle ones washed 

 with indigo-blue ; all the other feathers bright yeUow, shaded with 

 green near the base of those next to the middle ones ; head deep 

 cobalt, as also the nasal bristles and frontal plumes, the latter sepa- 

 rated from the crown by a frontal bar of white feathers ; plumes in 

 front of and round the eye, sides of face, and entire fore neck black, 

 the region of the eye velvety, the black feathers of the lower neck 

 tipped with green ; fore part of cheeks and a small patch of feathers 

 above and below the hinder part of the eye bright blue like the 

 head ; rest of under surface pale green from the chest to the under 

 tail-coverts, the ground-colour being yellow, only slightly apparent 

 on the lower abdomen ; under wing-coverts bright yellow ; bill 

 black; feet lead-colour. Total length 11 inches, culmen 1-25, wing 

 4'o5, tail 5*55, tarsus 1-55. 



Hab. Texas southwards to Mexico. 



a, b. Ad. St. Mexico. Purchased. 



c, d. Ad. sk. Julapa, Mexico. R. de Oca [C.]. 



5. Xanthura saublasiana. 



Geai de San Bias, Kehoux, Rev. Zool 1840, pp. 290, 323. 



Pica sanblasiana, Lafr. Rev. et Mug. de Zonl. 1842, Ois. pi. 28. 



Cyanocorax sanblasianus, Gray, Gen. B. ii. p. 307. 



Cissolopha sanblasiana, Bp. Consp. i. p. 380 ; Lawr. Mem. Bost. Soc. 



N. H. ii. p. 284. 

 Cyanocorax de San-Blas. Rrev. et Desmurs, Voy. ' Venus,' v. p. 200. 

 Cyanurus sanblasianus, Gray, Iland-I. B. ii. p. 4. 

 Cyanurus geoffi-oyi, id. I. c. p. 4. 

 Cyanocitta sanblasianus, Sclater ^- Salcin, P. Z. S. 187t!, p. 269. 



Adult. Cireneral colour above deep cobalt-blue, with a shade of 

 \iltramarine, especially on the quills ; tail ultramarine-blue ; head 

 and neck all round and the entire under surface of body black ; 

 frontal feathers velvety, the anterior ones forming an erect crest ; 

 under wing- and tail-coverts black, washed with blue ; bill brownish 



