344 BROOKLYN IXSTITUTE MUSEUM. SCIENCE BUEEETIN 2. 6. 
Native name Gainlaii Colorado. Common along the wooded banks 
of streams and ponds throug-hout the middle Orinoco region. 
Eye seal brown ; bill blacl<, blackish slate at base ; cere blackish slate ; 
corners of the mouth plumbeous ; feet greyish white. 
BuTEOGALLUs AEQUIN0CTI.^LIS (Gmelin). 
Falco acquinoctialis Gmelin, Syst. Nat., I: 1788: 265 (Cayenne). 
Bwteogallus acquinoctialis Stone. Proc. Ac. Nat. Sci. Phil. 1913: p. 195 
(Pedernales). 
Recorded from the delta region by Stone. 
AsTURiNA NiTiDA (Lathain). 
Falco nitida Lath., Ind. Orn. I. 1790. p. 41. 
Asturina nitida Berlepsch & Hartert, p. 113. 
Rare, not met with on either my first or second expedition, but 
a fine adult male was collected at Caicara on April 30, 1907. 
Eye Vandyke brown; bill black, slate at base of mandible; cere and 
l^are skin about gape chrome yellow ; feet chrome yellow ; claws black. 
Berlepsch and Hartert recorded a single specimen from Suapure 
on the Caura River. 
MiCRASTUR BRACHVPTERUS (Temminck). 
falco hrachyptems Temm., Rec. PI. col. tab. 116, 141 (1822). 
Micrastnr scmitorquatus Berlepsch & Hartert, p. 113. 
Xot common. In 1898 two specimens were taken at Caicara, an 
adult male in April and an immature female in July. In July, 1907, 
an adult female was collected at the same point. The stnmach in 
each case contained remains of small lizards. 
Colors from fresh birds ; eye seal brown: bill black, base of mandible 
yellowish oil green; feet deep chrome yellow, with an oli\-e wash, espe- 
cially on the toes. 
Ciucus Bui-FONi (Gmelin). 
Falco Buffoni Gmelin, Syst. Nat. I: 1788: p. 277 (Cayenne). 
Circus buffoni Stone, Proc. Ac. Nat. Sci. Phil. 1913: 194. (La Pedrita, 
Rio Uracoa). 
Recorded from the delta region by Stone. 
