468 PSITTACI. 



2291. Pionus maximilliani. 



Psittacus maximilliani, Kuhl, Consp. Psitt. p. 72. 

 Pionius maximilliani, Finsch, Papag. ii. p. 448. 

 a (Deicgard] 1851. b Brazil? (Argent] 1852. 

 b is probably from Bolivia. 



2292. Pionus chalcopterus. 



Psittacus chalcopterus, Fraser, P. Z. S. 1843, p. 59. 

 Pionius chalcorjterus, Finsch, Papag. ii. p. 462. 

 a (Gardner] 1845. 

 A Colombian species. 



2293. Pionus violaceus. 



Perroquet varie, de Cayenne, D'Aub. PI. Enl. 408, unde, 

 Psittacus violaceus, Bodd. Tabl. PI. Enl. p. 25. 

 Pionias violaceus, Finsch, Papag. ii. p. 463. 

 Psittacus purpureus, Gm. Syst. Nat. i. p. 346. 

 a (Askew) 1839. 

 A Guianan species. 



CAICA. 

 Cairn, Lesson, Traitd d'Orn. p. 198 (1831). 



2294. Caica melanocephala. 



Psittacus melanocephalus, Linn. Syst. Nat. i. p. 149. 

 Pionias melanocephalus, Finsch, Papag. ii. p. 432. 

 a (Dewgard) 1846. b Demarara (Bt at Liverpool] 1854. 

 a is a skin of Cayenne make. 



PlONOPSITTACUS. 



Pionopsitta, Bonaparte, Rev. Zool. 1854, p. 152. 



2295. Pionopsittacus pileatus. 



Psittacus pileatus, Scop. Ann. I. Hist. Nat. p. 32. 

 Pionopsitta pileata, Scl. Cat. Am. B. p. 356. 

 Pionias mitratus, Finsch, Papag. ii. p. 413 (ex Nemvied). 

 a S. America (G. Bell Whitehouse] 1842. I (Arthur Strick- 

 land) 1850. 



