366 BROOKLYN INSTITUTE; MUSEUM. SCIENCE BULLETIN 2. 6. 



TiGRisOMA LiNEATUM (Boddaert). 

 Ardea lineata Bodd., Tabl. PI. Enl. 1783. p. 52. 

 Tigrisoma brasiliensc Berlepsch, Ibis, 1884. p. 439 (Rio Apure). 

 Tigrisoma lineatum Berlepsch & Hartert, p. 126. 



Native name Pajaro Baca. Common, frequenting the thickly 

 wooded banks of small streams flowing into the Orinoco. In life adults 

 have the iris bicolored, the inner part being chrome yellow which blends 

 rather abruptly into a walnut brown on the outer half ; bill clove brown 

 along the ridge of the culmen, merging into a mummy brown along the 

 sides, bare skin on chin, throat and around eye sulphur yellow ; bare skin 

 at base of mandible citron yellow ; gonys horny stf aw yellow ; feet olive 

 in front and olive green on tjie posterior half. 



Zebrilus pumilus (Boddaert). 

 Ardea piimila Boddaert, Tabl. PI. Enl. 1783: p. 54. 



Rare. Not taken or seen on my first expedition to the Orinoco. 

 The fresh colors of an adult male taken at Agua Salada de Ciudad Boli- 

 var, April II, 1905, were: Eye straw yellow; bill dusky above, pale 

 yellowish horn color below ; feet anteriorly olive greenish, brighter lemon 

 yellowish posteriorly. A single specimen was seen in the thickets form- 

 ing the breeding ground of the Hoatzin at Caicarita, Caicara, July 18, 

 1907. 



PALAMEDEIDAE— THE SCREAMERS. 

 Only one of the species of Screamers has been noted on the 

 Orinoco. 



Palamedea cornuta Linnaeus. 

 Palamedea cornuta Linnaeus, Syst. Nat., Ed. XII: 1766: p. 232 (Brazil, 



Guiana). 

 Anhima cornuta Stone, Proc. Ac. Nat. Sci. Phil., 1913: p. 194 (Manimo 



Riv.). 



I found the Horned Screamer abundant at Las Barancas, and Stone 

 reported it very common on the Manimo River. 



PHALACROCORACIDAE— ANHINGAS, CORMORANTS, ETC. 



Anhinga anhinga (Linnaeus). 

 Plotus anhinga L., Syst. Nat. ed. 12. I. 1766. p. 218; Berlepsch & Hartert, 

 p. 127. 



