I08 UNIVERSITY OF MISSOURI STUDIES 



down from A to C and up from C to I. Down from I 

 to K, and up from K to M. Down from M to S', and up from 

 S to U. Down from U to W, and up from W to Y. Down 

 from Y to ®, and up from © to ®^A. 



The nine sections from the three hundred and ninety- 

 second to the four hundredth move down from Y to C, and 

 up from C to I. Down from I to K, and 

 The tone 3 up from K to M. Down from M to W, 



and up from W to Y. The nerve ends lo- 

 cated on these sections therefore receive three shocks during 

 the period. 



The sections from the four hundred and first to the four 

 hundred and twenty-fourth move down from Y to C, and up 

 from C to M. Down from M to W, and 

 The tone 2 up from W to Y. The sections from the 



four hundred and twenty-fifth to the four 

 hundred and ninety-eighth move down from A to C, and up 

 from C to M. Down from M, to W, and up from W to @=A. 

 The sections from the four hundred and ninety-ninth to the 

 five hundred knd forty-sixth move down from A to K, and 

 up from K to M. Down from M to W, and up from W to 

 @^A. The sections from the five hundred and forty-seventh 

 to the five hundred and sixty-second move down from A to 

 K, and up from K to U. Down from U to W, and up from 

 W to ®=A. The nerve ends located on these sections of 

 the partition therefore receive two shocks during the period. 



The sections from the five hundred and sixty-third to the 

 five hundred and seventy-ninth move down from U to K, and 

 up from K to U. The sections from the 

 The tone 1 five hundred and eightieth to the five hun- 



dred and ninety-sixth move down from A 

 to K, and up from K to @=A. The nerve ends located on 

 these sections therefore receive one shock during the period. 



The relative intensities of the several tones, if we accept 



