6o Field Museum of Natural History — Zoology, Vol. XIII. 

 Genus THECTOCERCUS Ridgway. 



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

 acuticaudatus Vieillot). 



*Thectocercus acuticaudatus ( VieilL). Sharp-tailed Parrot. 



Psittacus acuticaudatus Vieillot, Nouv. Diet. d'Hist. Nat., XXV, 1817, p. 369 



(Paraguay). 

 Evopsitta acuticauda Souance, Icon. Pert., 1857, pi. IV. 

 Conurus acuticaudatus Salvadori, Cat. Bds. Brit. Mus., XX, 1891, p. 172; 



Grant, Ibis, 1911, p. 326. 

 Aratinga acuticaudatus Brabourne and Chubb, Bds. S. A., I, 1912, p. 80, 



No. 746. 



Range: Paraguay, Uruguay, Bolivia and N. Argentina. 

 2: Argentina (Tuciunan). 



*Thectocercus haemorrhous haemorrhous iSpix). Blue-crowned 

 Parrot. 



Aratinga haemorrhous Spix, Av. Bras., I, 1824, p. 29, pi. XIII (Prov. of Bahia, 

 Brazil); Brabourne and Chubb, Bds. S. A., I, 1912, p. 81, No. 747. 



Conurus haemorrhous Salvadori, Cat. Bds. Brit. Mus., XX, 1891, p. 173; Hell- 

 MAYR, Abh. K. Bayer. Akad. Wiss., Munchen, II, kl. XXII, Bd. Ill, 1906, 

 P- 578. 



Range: Brazil and Venezuela. 



i: Brazil (Bahia). 



*Thectocercus haemorrhous neoxenus {Cory). Margarita Parrot.** 



Conurus neoxenus Cory, Field Mus. Pub., No. 137, Om. 

 Sen, I, 1909, p. 243 (Margarita I.). 

 [Aratinga] neoxenus Brabourne and Chubb, Bds. S. A., I, 1912, p. 81, No. 748. 



Range: Margarita Island. 



2 : Margarita Island (including type) . 



Genus EUPSITTULA Bonaparte. 



Eupsittula Bonaparte, Comp. Rend. Ac. Sci., Paris, XXXVII, 1853, p. 807 

 (Type Psittacus petzii Leib. =P. canicularis Linn.). 



Eupsittula guarouba (GmeL). Golden Paroquet. 



Psittacus guarouba Gmelin, Syst. Nat., I, 1788, p. 320 (Amazon region, north- 

 eastern Brazil). 

 Aratinga carolinae aguttae Spix, Av. Bras., I, 1824, pi. XII. 



'' T. h. neoxenus Cory: Differs from T. h. haemorrhous (Spix) in somewhat darker 

 green plumage and greater extent of bluish on crown. In addition to other characters 

 given in original description as distinguishing this bird, the inner webs of the outer 

 tail feathers are green for a decidedly greater distance from the tip, the red being 

 more restricted than in T. h. haemorrhous. 



