Nature in Music 81 



blowing directly into a whistle mouthpiece at one end of the reed. Take a 

 reed about 12 inches long and an inch or more in diameter and cut the top 

 in the shape of a mouth piece as shown in Diagram A, and fit a cork that 

 has been cut flat on one end into the top. Cut a rectangular window % inch 

 in diameter about one inch below the top, also shown in the diagram. After 

 the mouth piece is fit in bore two small holes opposite to each other about 

 three inches below the window. Adjust the mouthpiece until you can get a 

 tone. If the pitch is too low make the pipe shorter. Bore five other holes 

 below the first one on top about % inch apart and tune them as you go. 

 The pipe is tuned by making the holes larger. 



SHELL TRUMPET 



A trumpet can be made from a large sea shell, but the tones are so loud 

 they are practical only for use in camp or out in the country. Bore a hole in 

 the side of the shell or cut off the apex to blow in. They make a good gong 

 for camp, or to signal with when on a hike. 



A WISHBONE HARP 



Stretch a narrow rubber band several times across a wishbone then pull 

 it into tune and you can play a simple melody on your tiny harp. To make a 

 harp on a larger scale than the wishbone one, cut a forked branch from a 

 tree, put an equal number of notches in the sides of each prong and stretch 

 several narrow rubber bands over them. 



SQUASH-LEAF OBOE 



To make this instrument cut the leaf with its stem from the plant, leaving 

 the hollow stem intact. Then at the leaf end a slit about an inch long is 



