CHERKIE: ORNITHOLOGY OF THE ORINOCO REGION. 319 
Bare skin about the eye, on side of face, bicolored, a hajid immedi- 
ately surrounding the eye slate black and the remaining otiter portion 
dark maroon purple ; bill, maxilla very pale primrose yellow with a 
series of black spots along the cutting edges of the basal part, together 
with a small elongated black patch also on the cutting edge near the tip, 
mandible very pale primrose yellow with an elongated ochraceous patch 
near the centre of the cutting edge; feet dark sage green. 
Pteroglossus viridis (Linnaeus). 
Raniphasfos ziridis L., Syst. Nat. ed. 12. 1766. p. 150. 
Pteroglossus z'iridis Berlepsch & Hartert, p. loi. 
Not noted on the Orinoco. Recorded by Berlepsch and Hartert 
from Suapure and from La Union on the Caura River. 
Pteroglossus ae.-\c.\ri roraim.\e Bradbourne & Chubb. 
Pteroglossus aracari atricollis Berlepsch & Hartert. p. 102. 
Pteroglossus roraimae Bradbourne and Chubb, Ann. & Mag. Nat. Hist. 
1912: p. 261 (Guiana, Roraima) ; Stone, Proc. Ac. Nat. Sci. Phil. 
1913 : p. 199 ( Guinipa River: Rio Vagre). 
Not observed on the Orinoco. Berlepsch and Hartert record only a 
single .specimen collected by Klages at Suapure. Stone records it as 
abundant on the Guinipa and Vagre Rivers. 
There is a specimen of Pteroglossus in the Am. Museum collection, 
from Sacupano, Orinoco Delta, that differs from examples from Cristo- 
bal Colon (Paria Peninsula), in that the thighs and under tail-coverts 
are largely dusky greenish without reddish wash, whereas in typical 
roraimae those parts are lighter, more dusky sulphur yellowish with a 
reddish wash. 
BUCCONIDAE —THE PUFF-BIRDS. 
Six of the seven species included in Berlepsch and Hartert's paper 
were collected on the Orinoco proper. 
Kev to Genera, Species and Subspecies oe Bucconidae. 
a. One or more black bands across the breast. 
b. Two distinct black bands across the breast Hyptidtts bicinclus. 
b'. One distinct black band across the breast. 
c. Head and back without transverse blackish bars. 
d. Middle of bellv white, unmarked. 
t. No white collar on hindneck Notharchus leclus leclus. 
c'. A broad white collar on hindneck Notharchus hyperrhynchus dy- 
d'. Middle of belly and breast buffy. thickly barred with narrow 
blackish lines Ar^icus macrodactlylus chap- 
