652 On the Method of judging by the Ear, Se. 
is covered with snow, than that which it affords 
at other seasons. The human voice also under 
goes a similar change within doors, by striking a 
multiplicity of soft bodies, such as a number of 
piles of wool, or a crowded congregation in a 
church. 
The method of preventing the vibration of the 
vocal organs from reaching the external tegu- 
ments, is still wanting to complete this theory of 
ventriloguism; and I presume it can only be 
supplied by an adept in the art. I must therefore 
dismiss the subject unfinished, because I have no 
pretension to that character. 
