134 



INSECTIVOROUS BIRDS 



eight, fly heavily when pressed for time, and appear more 

 like solid bodies in flight than light bird forms. Of two 

 specimens shot on the 25th of July, 1896, in a clump of 

 timber, the male had a yellow band at the base of upper 

 mandible. This I take to be a sign of immaturity, as the 

 sexes, according to Mr. Gould, are alike in this respect in 



4 



\ 



/■ 



f 



Fig. 31. Nest of Orange-winged Tree-runner. One-third natural 



size. 



the adult stage. When the male lost its mate it flew 

 round for some considerable time, calling " twit, twit," and 

 remained restless while looking for insects upon the tree 

 stems to which it resorts. 



During a summer day prior to 1895, while accom- 

 panying the Messrs. Brittlebank along a portion of the 



