ADDITIONS TO THE REVISED EDITION OF 1880. 37? 



Either the induced or constant currents of electricity may do 

 good, though the latter is most reliable in neuralgia. Change of 

 air ; where there are spasmodic contractions of the muscles of the 

 face, compression of the carotid on that side ; and where there is 

 paresis on the neuralgic side, compression of the opposite carotid, 

 are said to do good. 



Phosphorus gr. ^j, in mucilage, may be given ten minutes after 

 something has been taken into the stomach, and repeated thus every 

 two hours for three doses, then every three or four hours. 



2. P. 368. 



Implication of the chorda tympani causes change in the sense of 

 taste, especially for sour or salty things, on the anterior two-thirds 

 of that side of the tongue. If it be true that the gustatory fila- 

 ments of the facial only belong in the short portion between the 

 entrance of the chorda tympani and the departure of the petrosus 

 superficialis major, and pass with the latter to the second branch of 

 the trif acial, loss of taste in facial paralysis would show that the cause 

 must be at this part. Diminution of saliva has also been observed. 

 Deafness may occur from disease of the internal ear or auditory 

 nerve. There may be excessive sensitiveness of hearing (hyperaku- 

 sis). In rheumatic paralysis this is said to occur especially for the 

 deeper musical tones, and is probably due to paralysis of a small 

 twig going to the stapedius muscle, and a consequent preponderance 

 of the tensor tympani muscle. 



Alihaus says that in rheumatic paralysis the farado-muscular 

 excitability is generally normal ; there may be slight anaesthesia of 

 the skin ; the supinators and flexors are equally affected. In trau- 

 matic paralysis the farado-muscular contractility is lost ; there is 

 anaesthesia of the skin ; the supinators and extensors are equally 

 affected. In lead palsy the farado-muscular excitability is lost ; 

 there is no anaesthesia of the skin ; the supinators are healthy. In 

 cerebral paralysis the electro-muscular contractility continues. These 

 diagnostic points are true in other paralyses as well as in that of the 

 facial nerve. 



