Mr. Home's Lecture 
32 
fourteen days more, the jaw began to open ; and, for a month 
longer, there were only two or three spasms daily in the thumb, 
attended with pain ; these went up the arm to the jaw. At 
the end of that period, the sore on the back of the hand healed, 
and she recovered perfectly from the spasmodic affections. 
To enter further into the histories of cases which afford 
evidence of a morbid action in the nerves, would be trespas- 
sing too far upon this learned Society, and would render the 
present Paper an inquiry into medical facts, which is only 
intended to be an investigation of the natural actions of the 
nervous fibres, illustrated by the phenomena which occur while 
these chords are under the influence of disease. 
EXPLANATION OF THE FIGURES. (See Plate I.) 
Fig. 1. A portion of the phrenic nerve of the horse, as it 
appears when in a contracted state. 
Fig. 2. The same, as it is seen when magnified. 
Fig. 3. A portion of the phrenic nerve of the horse, as it 
appears when elongated, or in the state of complete relaxation. 
