96 



neck. An incomplete paralysis of movement took place in the 

 right side of the body, and, some time after, it was accidentally 

 discovered that sensibility was lost in many parts of the left 

 side of the body. After twenty days the wound was cured, and 

 the man went out of the hospital, still paralysed. 



From what we know of that case, it appears that the sword had 

 incompletely divided the right lateral half of the spinal cord. 

 The paralysis of motion on the right side of the body was 

 certainly produced by the division of a part of the anterior 

 column, and, as the instrument had penetrated the right side of 

 the back of the neck, it must have divided the parts between the 

 anterior column of the spinal marrow and the external surface of 

 the right side of the neck. These parts, besides the muscles and 

 bones, are the lateral and posterior columns and the gray matter 

 of the right half of the spinal cord. So that in this case nearly 

 the same injury and also the same morbid phenomena had ex- 

 isted as in the animals on which I have divided a lateral half of 

 the spinal cord. 



The following case is still more interesting. It has been re- 

 corded by Dr. R. Dundas, Surgeon of the Hospital of Bahia. 



A mason fell on his back from an height of 20 feet. After 

 having recovered his consciousness, he discovered that all the 

 left side of his body, from the shoulder to the foot, was paralyzed 

 as to motion, without the slightest alteration of sensibility, and 

 that the right side in which the movements were free, was com- 

 pletely deprived of sensibility. 



Three important facts, precisely like those I have discovered 

 in animals after the transversal section of a lateral half of the 

 spinal cord, existed in this case : 



1st. A morbid exaltation of sensibility in the side where move- 

 ment was lost. 



2d. A diminution of temperature in the side where the para- 

 lysis of sensibility existed. 



3d. An increase in temperature in the side where the paralysis 

 of movement existed.* 



* In a former part of this sketch (Art. xxii.) I have related facts proving 

 that animal heat may be increased after injuries to the spinal cord. I have 

 learned since, that Prof. D. Gilbert has observed a case of fracture of the 

 spine, in which the temperature of the paralyzed parts was increased. Prof. 

 Dunglison has also stated that the paralyzed side in hemiplegic patients 

 may have an elevation of temperature. 



