MUSIC IN THE PLANT WORLD 
note we call the whistle, it is playing according 
to our musical rules. Water, when falling per- 
pendicularly from a great height also gives 
forth along, steady note. Even the rhythmical 
quality so essential to good music is not lacking 
in such phenomena as rain pattering on dry 
leaves. This sound has proved unusually ap- 
pealing to many people. The Mexicans some- 
times attempt to imitate it by means of clay 
rattles. 
Not only does the countryside continually 
sing a great.symphony, but each region has its 
own acoustic properties. While large cities 
maintain a discordant and incessant roar, the 
country is filled with soft and pleasing voices. 
Birds, animals, water and wind give forth 
quaint musings of the most soothing nature. 
Once in a while the woods go on a musical 
jag and every instrument becomes discordant. 
Under the influence of the bright moonlight, 
the inhabitants of the South American jungles 
sometimes seem to go mad. The hoarse roars 
of the Tiger mingle with the piercing shrieks 
of Parrots and the shrill wailings of Monkeys, 
while the croaking of Bull Frogs and the dismal 
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