312 BROOKLYN INSTITUTE MUSEUM. SCIENCE BULLETIN 2. 6. 
which are dusky. The primary-coverts are also strongly dull rufous 
brownish as are also the outer webs and tips of the greater wing- 
coverts. The pattern of coloration is similar to that of the wings of 
the yellow -billed cuckoo (C. aincricanus). It is possible this rufous 
shading is characteristic of immature birds. 
MicRucoccvx puMiLus (Strickland). 
Coccycns piiiniliis Strickl.. Contrib. Orn. 1852. p. 28. PI. S2; Berlepsch 
& Hartert, p. 97. 
In the American Museum collection is a specimen collected by 
Klages at JNIaripa on the Caura. The forehead, crown and occiput are 
gull gray; the mantle and lower back mouse gray; the two colors blend- 
ing insensibly into one another at the base of the occiput. The wings 
and tail are browner ; the primaries blackish, especially toward the tip ; 
the ends of the rectrices are black, narrowly tipped with white; sides of 
head, chin and throat hazel brown; breast and belly pale buffy; flanks, 
thighs and under wing- and tail-coverts bufif; under surface of tail gray, 
the inner webs of the rectrices buff basally. Wing 103 ; tail 105 ; bill 17 mm. 
Rare. An adult male was taken, on my first expedition, at Ouiri- 
bana de Caicara, April 29, 1905, and a second adult male at Caicara, 
May 2, 1905. 
Eye carmine, eye-lids carmine; bill black; feet slate gray. 
PiAy.\ MELANt)r,,\sTR.\ (\'ieillot). 
Ciiciilns indanogastcr Vieill, Nouv. Diet. \TII. 181 7. p. 236. 
Piaya mdanogastra Berlepsch & Hartert. p. 97. 
Not observed by the writer on the Orinoco proper, but included in 
Berlepsch and Hartert's list based on a single specimen collected by 
Klages at Suapure on the Caura River. There is now a specimen in 
the American Museum collection taken at the foot of Mt. Duida. 
Pi.\v.\ CAV.\XA CAY AN A Linuacus. 
Cuciiliis cayaiins L., Syst. Xat. ed. 12. 1766. p. 170. 
Piaya ciiyaiia guiaiicnsis Berlepsch, Ibis. 1884. p. 435. (Angostura); 
Berlepsch & Hartert, p. 97, part (Suapure and La Pricion, Caura 
River, Venez.) ; Hellmayr, Novit. Zool. XIII. 1906. p. 43. 
Piaya cayana cayana Hellmayr, Novit. Zool. XIV. 1907. p. 35; 
Stone, Proc. Phila. Acad. Sci. LX. 1908. pp. 497-8 (Suapure). 
A study of the specimens in this museum from the Orinoco 
