A GOLD MINE IN THE WILDERNESS. 



175 



always alighting on the dead Mora, while during the day we 

 detect them deep in the jungle, feeding in the tops of the 

 trees and sending down to us their calls, yapl, kiok! or 

 squawk! as the case may be. 



A fourth species, the Red-breasted Toucan "^ was occasion- 

 ally seen high in the tree tops. These birds had two distinct 



Fig. 79. The "Little Giant" at Work. 



utterances, one a frog-like croak, and the other a double- 

 toned shrill cry, the two tones being B and B# above middle C. 

 Early in the evenings, about six o'clock, all the Banded Swal- 

 lows "' of the surrounding region passed overhead in a dense 

 flock, two or three hundred in all, soaring with a steady, half- 

 sailing flight very different from the dashing swoops which 

 carry them over the lake when feeding during the day. Now 

 they are headed northward to some safe roosting place and 



