1896 - 97 .] Prof. M‘Kendrick on Weak Electric Currents. 253 
the music, passed through the fingers and the body of the observer 
sufficient to excite the telephone, and to cause the latter to give 
out sounds long after the skin had ceased to respond. In other 
words, electric currents much too feeble to excite the skin were 
still capable of acting on a telephone, and the ear could hear the 
musical sounds emitted by the telephone long after the skin had 
ceased to feel. 
