846 
CYANOCORAX. 
Bill rather large and strong, with the ridge of the uj^per mandible curved 
gradually from the base to the j^oint -ridge of the lower mandible curved upwards. 
Nostrils at the base of the bill, in rather a large membrane and partilaly concealed 
bij projecting feathers. Wings moderate, rather rounded, 4. 5. 6. primaries usually 
longest; secondaries long, exceeding some of the shorter primaries. Tail rather 
lengthened and rounded; tarsi robust, rather long; toes and claws strong. Head 
usually with a crest or with the frontal plumes erect and crest like. Plumage of 
various colors, mostly with some part of greater or less extent blue. — 16 Specc. 
affiiiis V. Pelzeln, Wiener Sitzgsber. 1856. XX. 164. — Heine, Journ. Ornith. 
1860. VIIL 114. — Schlegel, Mus. Pays-Bas Corac. 53. [Panama. Nova Granada. 
Uroleuca pileata Lawrence, Ann. Lyc. New York VIL 296. 
Cyanocorax pileatus Sclater, partim, 
armillatus Gray, Genera Birds II. 507. Tb. 74. = Garrulus armillatus. 
azureus Gray, Genera Birds IL 507. = Cyanocorax caeruleus Schleg. 
bellus Schlegel, Mus. Pays-Bas Corac. 50. = Cyanocorax cayanus Gray. 
Beecheyi Gray, Genera Birds II. 507. =: Garrulus Beecheyi Vig. 
caerulescens Gray, Genera Birds IL 507. — Garrulus floridanus Bonap. 
caeruleus Schlegel, Mus. Pays-Bas Corac. 46. [Brasilia. Rio la Plata. 
Uraca celeste Azara, Apuntam. I. 259. 
Pica caerulea Vieillot, Nouv. diet. hist. nat. XXVI. 126. Tb. 36. 
Corvus azureus Temminck, PI. color. 168. 
Pica aurea Wagler, Syst. Avium spec. 25. 
Cyanurus azureus Swainson, Faune bor. amer. II. 495. 
Cyanocorax azureus Gray, Genera Birds II. 507. 
Garrulus caeruleus Hartlaub, Ind. Azarae spec. 55. 
Corvus cyanescens Lichtenstein teste Bonaparte. 
Coronideus caeruleus Cabanis, Mus. Heine. I. 225. 
Cyanocorax Heckeli v. Pelzeln, Wiener Sitzgsber. 1856. XX. 163. 
Coronideus Heckeli Gray, Handlist Birds II. 6. 
californicus Gambel, Proceed, acad. Philadelphia 1847. III. 201. = Garrulus 
californicus Vig. 
Cassini M'Call, Proc. acad. Philad. 1852. 216. — Gymnokitta cyanocephala Bp. 
cayanus Gray, Genera Birds IL 507. — Heine, Journ. Ornithol. 1860. VIII. 
116. — Schlegel, Mus. Pays-Bas Corac. 51. [Guiana. Venezuela. 
Corvus cayanus Linne, Syst. Natur. 1. 157. — Buffon, PI. enlum. -373. 
Garrulus cayanensis Brisson, Ornith. IL 52. Tb. 4. Fig. 1. 
Pica aïbicapilla Vieillot, Encycl. méth. II. 885. , 
Pica larvata Wagler, Syst. Avium spec. 29. 
Corvus mystacalis G. S., Magaz. Zool. 1835. Oiseaux Tb. 34. 
Cyanocorax mystacalis Gray, Genera Birds II. .507. 
Uroleuca cayana Bonaparte, Conspectus Avium I. 379. 
Cyanocorax uroleucus Heine, Journ. Ornithol. 1860. VIIL 115. 
Cyanocorax bellus Schlegel, Mus. Pays-Bas Corac. 50. 
concolor Cassin, Proceed, acad. Philadelphia 1848. 26. = Garrulus unicolor, 
coronatus Bonaparte, Proceed. Zool. Soc. 1837. V. 109. = Garrulus coro- 
natus Jard. 
crassirostris Bonaparte, Magaz. Zool. 1837. Oiseaux Tb. 72. = Garrulus 
Beecheyi Vig. 
cristatus Boie, Oken's Isis 1826. 975. = Garrulus cristatus Vieill. 
cyanocapillus Cabanis, v. Tschudi's Fauna per. 233. [Mexico. Columbia. 
Pica chlor onotus Wagler, Oken's Isis 1829. 750. o 
Xanthoura guatimalensis Bonaparte, Conspectus Avium I. 380., — [cf. C. yncas 
Gray.] 
Xanthocitta cyanocapilla Cabanis, Mus. Heine. I. 223. 
Cyanocorax guatemalensis Sclatek, Proceed. Zool. Soc. 1859. XXVII. 57. 
cyaiioleucus Gray, Genera Birds IL 507. — Schlegel, Mus. Pays-Bas Corac. 
50. [Brasilia. 
