364 BROOKLYN INSTITUTE MUSEUM. SCIENCE BULLETIN 2. 6. 
were : eye. orange ochraceous with the posterior quarter section of the 
iris seal brown; maxilla black, mandible dusky olive brown; feet and legs 
blackish slate for the anterior half and dusky sage green behind. 
Nycticuk.xx nvcticorax naevius (Boddaert). 
Ardca iian'ia Bodd., Tabl. PL Enl. 1783. p. 56. 
Nycticorax gardeni Berlepsch, Ibis, 1884. p. 439 (Angostura). 
Nycticorax nycticorax naevius Berlepsch & Hartert, p. 125. 
Common, frequenting the timbered belts bordering the Orinoco and 
the small streams tributary thereto. 
Nyct.anassa violacea (Linnaeus). 
Ardca violacea Linnaeus, Syst. Nat. Ed. X: 1758: p. 143 (Carolina). 
Nyctanassa violacea Stnne, Proc. Phil. Ac. Nat. Sci. 1913: p. 193 
(Corosal). 
Stone has recorded a specimen from the delta region. 
CocHLEARius cociilearius Linnacus. 
Caiicroina cochlcaria L., Syst. Nat. ed. 12. L 1766. p. 237; Berlepsch & 
Plartert, p. 125. 
Common about Ciudad Bolivar and up at least as far as Caicara 
and Ouiribana de Caicara, frequenting the wooded banks of the small 
creeks flowing into the Orinoco. 
Fresh birds have the eye dusky ; maxilla black, mandible dusky 
sulphur yellow, blackish at tip; bare skin of chin and throat sulphur 
yellow ; feet oil green. 
Pilherodius pilEatus (Boddaert). 
Ardca pilcata Bodd., Tabl. PI. Enl. 1783. p. 54. 
Pilherodius pUcatus Berlepsch & PLirtert. p. 125. 
Not common. Observed at Ciudad Bolivar. Altagracia, Caicara 
and Quiribana de Caicara. 
The colors taken from a freshly killed adult male were: eye, olive 
brown ; bill, horny pearl grey at tip, changing gradually into plumbeous 
which blends gradually into the cobalt blue of the basal two-thirds of the 
maxilla, and abruptly into the lilac colored central part of the mandible; 
basal part of mandible and bare skin about face cobalt blue; feet cin- 
ereous. 
