56 Field Museum of Natural History — Zoology, Vol. XIIL 



Genus DIOPSITTACA Ridgway. 



Diopsittaca Ridgway, Proc. Biol. Soc. Wash., XXV, 1912, p. 99 (Type Psittacus 

 nohilis Linn.); Id., Bull. U. S. Nat. Mus., No. 50, VII, 1916, p. 109. 



*Diopsittaca nobilis {Linn.). Noble Macaw, 



Psittacus nohilis Linnaeus, Syst. Nat., I, ed. 10, 1758, p. 97 (Brazil). 

 Arara macro gnathos Spix, Av. Bras., I, 1824, p. 26, pi. XXV, Figs. 1-2. 

 Ara nohilis Salvadori, Cat. Bds. Brit. Mus., XX, 1891, p. 167; Hellmayr, Abh. 

 K. Bayer, Akad, Wiss., Miinchen, II KL, XXII, Bd. Ill, 1906, p. 577. 



Range: Brazil. 



i: "South America." 



♦Diopsittaca hahni (Souance). Hahn's Macaw. 



Psittaca hahni SouANCE, Rev. et Mag. de Zool., 1856, p. 58 ("Colombia"). 

 Psittacara hahni Souance, Icon. Perr., 1857, pl- VI. 



Ara hahni Salvadori, Cat. Bds. Brit. Mus., XX, 1891, p. 168; Brabourne and 

 Chubb, Bds. S. A., I, 1912, p. 80. 



Range: Colombia to Guiana and North Brazil. 



fS: British Guiana 3; Northern Brazil (Boa Vista and Rio 



Branco) 5. 



Genus RHYNCHOPSITTA Bonaparte. 



Rhynchopsitta Bonaparte, Rev. et Mag. de Zool., 1854, p. 149 (Type Macrocercus 

 pachyrhynchus Swainson). 



*Rhynchopsitta pachyrhyncha (Swainson). Thick-billed Parrot. 



Macrocercus pachyrhynchus Swainson, Philos. Mag. N. S., 1, 1827, p. 439 (Table- 

 land of Mexico). 



Sittace pachyrhynchus Wagler, Mon. Psitt., 1832, p. 657, pi. XXV. 



Rhynchopsittacus pachyrhynchus Salvadori, Cat. Bds. Brit. Mus., XX, 1891, 

 p. 169. 



Rhynchopsitta pachyrhyncha Ridgway, Bull. U. S. Nat. Mus., No. 50, VII, 1916, 

 p. 141, cut, pi. XIII, Fig. i). 



Range: Highlands of northern and middle Mexico to border of 

 United States (casual in southern Arizona). 

 5: Mexico (Chihuahua). 



Genus ARATINGA Spix. 

 Aratinga Spix, Av. Bras., 1824, I, p. 29 (Type Psittacus luteus Bodd.). 



*Aratinga mitrata (Tschudi). Mitred Parrot or Paroquet. 



Conurus mitratus TsCHUDi, Wiegm. Archiv. fur Naturg., 1844, p. 304 (Peru). 

 Evopsitta mitrata Souance, Icon. Perr., 1857, pi. XXI; Salvadori, Cat. Bds. 

 Brit. Mus., XX, 1891, p. 181. 



