22 EXTENSIVE VISCERAL DISEASE AFTER CASTRATION. 
another dose of oil and opium to be repeated in the evening. 
When we saw the animal next day he appeared somewhat 
better, the oil having caused the bowels to act, but still the 
same difficulty in urinating continued. Occasionally he 
urinated more freely and in greater quantities, but never 
without great pain. The dulness, continued and the pulse 
was still weak ; appetite pretty good; a good deal of gruel 
was drank. On seeing the colt next day, the bladder still 
appearing to be full, we passed the catheter again, with the 
same result. We then thought that there must be something 
wrong in the manner in which the catheter was perforated 
at the end, the holes being very small, and the urine so very 
thick that it could not pass through them. Not being able 
to afford any relief in that way, we thought it expedient 
to cut down on the catheter while in the urethra, and intro¬ 
duce a shorter one, over which we could have more com¬ 
mand, and having the holes larger : this was done with diffi¬ 
culty. About two ounces of urine came away, which was very 
foetid, and mixed with shreads of pus. Tincture of opium, half 
an ounce, and oil, four ounces, were ordered three times daily ; 
we also applied mustard to the loins. After this treat¬ 
ment he appeared to rally; but our opinion was that he 
would not survive the night, and consequently we requested 
the owner to send for either of us to perform a post-mortem 
examination, being sure that death would supervene from the 
state in which we believed the bladder to be. As, however, 
no messenger came on the following day, I went on the next, 
and was informed that the animal still lived ; on examining 
him I found general indications of improvement. The same 
dulness, however, existed, but he appeared easier. The urine 
came from both openings, and caused some pain, the bowels 
were open, and the pulse strong. During all this time a good 
healthy discharge issued from the wounds in the scrotum, 
and no inflammation whatever existed. The same medicine 
was continued, and a little acid carbol and water applied to 
the artificial opening in urethra. 
For about ten days we saw the animal pretty regularly, 
during which time he in every way daily improved, but never 
regained his real healthy appearance. Two days after the 
final visit we were called to perform a post-mortem examina¬ 
tion, the animal having on that morning died, the man said 
of colic , an assertion which was corroborated by the owner 
who was up the greater part of the night with the colt. On 
cutting through the abdomen we found the peritoneum greatly 
congested, in some places covered with putrid and thickened 
pus ; in the mesentery a mass of abscesses containing ichorous 
