EXPLANATION OF PLATE 2. 



FLUTES WITH EQUAL-SPACED HOLES, TYPE A. 



Fig. 1. Pipe from Susa. Engel, Music of the Most Ancient Nations, p. 77. 



Fig. 2. Bone Flute, about 6 inches long, disinterred at Truxillo, Peru. British 



Museum. Engel, Musical Instruments, p. 64. 

 Figs. 3, 4. Aztec Pipes, called by Mexicans pito; usual form; scale, a, b, c#, e, f#. 



Engel, Musical Instruments, p. 62. 

 Fig. 5. Aztec Pipe; unusual form. Engel, Musical Instruments, p. 62. 



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