AND LECTURHS. 81 
urine, strong injections in cases of gonorrhoea, and con- 
traction of the lining membrane of the urethra which may 
occur during the healing of ulcers in this canal. 
HOW TO KNOW IT. 
The urine is passed ia a small stream, the patient being 
a long time at it, and showing by his actions that he is 
suffering some pain; he occasionally stands stretched out 
for some time as though he wished to urinate. This trou- 
ble is by some, who do not know any better, called ‘‘chro- 
nic gravel ’’ 
WHAT TO DO. 
First, examine the end of the penis to see if the trouble 
is there; if no obstruction be found here, then pass ina 
cathcter gently; this is to be done once or twice a day dur- 
ing treatment. Give patient the following which you can 
best prepare yourself: 
PRESCRIPTION. 
Gather one gallon of prickly pear leaves, 
place them in three gallons of water and boil 
down until you have but one gallon left. 
In mild cases give one pint of this fluid once per day, and 
in severe cases give it two or three times a day as indi- 
cated. 
Gonorrhoea. 
This is an infammation of the urethra and is mostly 
confined to stallions. 
Cause—Irritating substances in the urine, excessive 
capulation, connection with a newly delivered mare or one 
