growls, the world is full of vocal sounds; only the 
birds sing. They are Nature’s finest artists, whose lives 
and works are above the earth. They have not learned 
of us; it is our delight to learn of them. To no other 
living things are man’s mind and heart so greatly in- 
debted. Myriads of these beautiful creatures, journeying 
thousands of miles over oceans and continents, much of . 
the way by night —to avoid murderers !— return, unfail- 
ing as the spring, prompt even to the day and hour, to 
build their cunning nests and rear their young in our 
orchards and door-yards, to delight us with their beauty 
and grace of movement, and above, far above, all, to 
pour over the world the glory of their song. He that 
hath ears to hear, let him hear. 
