500 



FRIGATE-BIRD PELICANS. 



tally to their full length, generally skimming above the surface, 

 out of danger. 



Its body is of a peculiarly light construction, so that, large 



TilK .TACANA. 



as it appears, it weighs but little when pressing the floating 

 leaves, on which it delights to walk in search of its prey. 



FRIGATE-BIRD PELICANS. 



Even to the distance of fifteen hundred miles and more 

 from the mouth of the Amazon, large Hocks of the high-flying 

 frigate-birds are descried hovering at an immense height above 

 the stream, preparing to plunge down and seize their finny 

 prey. 



