LEARNING BIRD LANGUAGE 207 



'Hark the caw-bird /" 



those ^are treats which at times fall to the lot of a 

 field worker, when a drove of pigs came near, and 

 to keep them from becoming entangled in the hose 

 attached to my best camera I was compelled to 

 move. The investigating committee hastily dis- 

 persed in every direction. 



The expression of greed flashes instantaneously 

 into the eyes of a crow, hawk, or vulture when the 



