118 LECTURES. 



possibilities of the case, and found she was really 

 suffering from vesical irritation. On this account 

 I prescribed a buchu mixture, containing bicar- 

 bonate of potash. This treatment having been 

 continued with good results for about a month, I 

 finally advised a mineral tonic ; insisting however, 

 more particularly, on the better observance of 

 certain common-sense rules as to diet and drink. 



The record of these negative cases, if I may so 

 term them, is not without instruction ; for apart 

 from the suggestions conveyed as to treatment 

 they set forth the value of a correct diagnosis and 

 prognosis alike. In one or two instances I have 

 certainly been deceived, but not in cases of the 

 above description. Only very recently I treated a 

 case of supposed threadworm disease with the fullest 

 expectation of bringing away several or even many 

 parasites, yet in this instance the nervous and other 

 symptoms must have been due to another cause. 

 Though a little out of place, I think the case ought 

 to be recorded ; and you will at once see whether 

 or not I was justified in the course I pursued. 



CASK LXX. T. W. A., a gentleman in business 

 and residing at the East-end of London, visited me 

 on the 18th September, 1871. He has been 

 under the care of a medical gentleman who attri- 

 buted his symptoms to " worms," and who, in this 

 view, had prescribed male-fern, but without any 

 satisfactory result. Moreover, to suppress any 



