4SB ESSAYS and OBSERVATIONS 



tion ; at lead, without any great efforts 

 from the acStion of the furrounding muf- 

 cles. 



A pradlical injundion is here plainly 

 fuggefted. Thofe frequent folicitations 

 from urinejTrom inabihty fully to expell 

 it, ought as much as poflible to be refiit- 

 ed or diverted ; becaufe, when the urine 

 is more colleded, the bladder, fuffering 

 greater diftenfion and irritation, is more 

 cffedually Simulated to contracSt and 

 empty icfelf. The fame injunclion is no 

 lels necelfary in the oppofite (late, when 

 the bladder has its fides thickened from 

 a rigid contradion of its mufcular fibres, 

 by which the capacity of it is lefTened, 

 The indulging of every motion to urine, 

 perhaps with forcible trainings, aug- 

 ments the rigidity, leffrns the capacity 

 ftill more, and aggravates the diftem- 

 per. 



But there is another way in which the 

 difeafe is brought on, and makes a far 

 quicker progrefs. Let us imagine the 

 orifice of the bladder ilraitened, or intire- 



