330 BROOKLYN INSTITUTE MUSEUM. SCIENCE BULLETIN 2. 6. 
This species was observed at all points visited from the delta 
region up, as far as I extended my explorations. Like most, if not 
all, of the species belongin.a: to this family, its presence in any par- 
ticular locality depends largely on the ripening of the fruits on which 
it feeds. 
Ar.\ chilgropter.x G. R. Gray.^ 
Ara chloroptcra G. R. Gray. List Psit. Brit. Mus. (1859) p. 26. 
Native name Carapaico. Less frequently seen than the preceding 
species. An adult male and an adult female were taken at Caicara 
May 23, 1905, and others taken in 1007. Like the preceding species 
they usually go in pairs. Not noted on my first expedition to the 
Orinoco. 
.\r.\ .\r.\r.\un.\ (Linnaeus). 
Psittacns Ararauna Linnaeus. Syst. Nat, ed 10; 1758: p. 96 (Brazil). 
Ara ararauna Stone. Proc. Ac. Nat. Sci. Phil. 1913: p. 196 (Guinipa). 
Recorded from Guinipa Village by Stone. 
Ara sevERa (Linnaeus). 
Psittacns scvcrns L.. Syst. Nat. ed. 10. 1758. p. 97. 
Ara sez'cra Berlepsch & Hartert. p. 107. 
Native name Maracano. During the season for ripe mangoes 
about Caicara. from April to June, this species is abundant, associated 
in small flocks of from five or six to twenty individuals. At this 
season they are extremely fat and many are shot for food by the 
natives. 
Eye chrome yellow, bare skin alwut eye chalk white : h\\\ black ; feet 
blackish slate. 
DiorsiTTACA HAiiNi (Souance). 
Psittacara hahni Souance. Rev. Zool. 1856. p. 58. 
Ara hahni Berlepsch & Hartert, p. 107. 
Diopsittaca hahni Ridgway, Proc. Biol. Coc. Wash. XXV: 1912: p. 99. 
Not observed on the Orinoco. Recorded by Berlepsch and Har- 
tert from Suapure on the Caura River. 
'Why should not this be .Ira brasiliensii Brisson. Om. I\'. 1760. p. 184. pi. XI.X i. I. 
