CHERRIE: ORNITHOLOGY OF THE ORINOCO REGION. 361 



IBIDIDAE THE IBISES. 



THERISTICUS CAUDATUS (Boddaert). 

 Scolopax caudatus Bodd., Tabl. PI. Enl. 1783. p. 57. 

 Theristicus caudatus Berlepsch & Hartert, p. 122. 



Native name Tautaco. Found throughout the savanna region on 

 the lower and middle stretches of the river, but nowhere common. 

 Feeds along the borders of ponds and marshes and in the open 

 savannas. An adult male taken at Caicara May 4, 1905, had the 

 colors of fleshy parts as follows : eye scarlet ; bill black ; bare skin about 

 the base of the bill around the eye and on the throat black ; feet geranium 

 pink. 



HARPIPRION CAYENNENSIS (Gmelin). 

 Tantalus cayennensis Cm., Syst. Nat. I. 1788. p. 652. 

 Harpiprion cayennensis Berlepsch & Hartert, p. 1123. 



Not common. Specimens were secured at Altagracia, Caicara, 

 and Quiribana de Caicara, all on the middle Orinoco. 



Colors in fresh birds are : eye dark Indian purple ; bill pea green at 

 tip, darkening to a bottle green at base ; bare skin about eye and on chin 

 and throat indigo blue; feet malachite green. 



Berlepsch and Hartert record a specimen from Cangrejo on the 

 Caura River. 



PHIMOSUS BERLEPSCHI Hellmayr. 

 Phimosus berlepschi Hellmayr, Verh. Zool. bot. Ges. Wien. LJII. 1903. p. 



247, ex Orinoco River, Altagracia, Caicara). 

 Phimosus nudifrons Berlepsch & Hartert, p. 123. 



Native name Coro-coro. The name is also applied to Harpiprion 

 cayennensis. Common along the middle stretches of the Orinoco (not 

 noted above the falls), frequenting the banks of streams and ponds. 



Eye carmine; bill, in immature, wood brown, blackish at tip; in 

 adults, reddish liver brown ; feet dark sepia brown. 



CERCIBIS OXYCERCA (Spix). 



Ibis oxycercus Spix, Av. Bras. II. 1825. p. 69, PI. 87. 

 Cercibis oxycerca Berlepsch & Hartert, p. 124. 



Native name Taro-taro. Common; frequenting marshy places on 

 the open savanna and the banks of ponds and streams. 



