Accidents and Operations. 405 
URETHRAL OBSTRUCTION CAUSED BY 
CALCULI. 
On 2nd Dec., 1882, I received several urgent telegrams 
from Brighton, concerning the inability of a dog to urinate. 
I advised the use of the catheter, but was informed it could 
not be passed, and a final message implored me to go at 
once. Unfortunately my visit was made too late, death 
having taken place shortly before I arrived. A post-mortem 
' examination of the dog, which was a valuable French 
Poodle, the property of Captain Henry Boughey, revealed 
acute inflammation and rupture of the bladder, due to the 
obstructed passage of urine arising from the accumulation 
of small stone in the urethral canal. The bladder of the 
poor sufferer had been enormously distended with confined 
and continually secreted urine prior to its rupture. I re- 
moved nearly a quart from the abdominal cavity. This 
case once more illustrates the value of the catheter in 
canine practice. Had even an attempt been made to pass 
the instrument, the obstruction would have been detected, 
and failing the passage of the cartheter beyond it, the 
stones could have been forced back into the bladder by 
syringing the urethra with oil; or, as a dernier ressort, a 
peritoneal incision into the urethra’ might have been 
adopted with success. 
CATHETERISM. 
The passage of the catheter in the canine subject is a 
matter of extreme simplicity, though, singularly, for years 
it has erroneously been considered by some individuals, out- 
side canine practice, an impossibility. 
The animal to be operated on may be either placed on 
its back or side; the penis is then made to protrude by 
placing the forefinger between the prepuce and the 
abdomen, and pressing the sheath backwards, at the same 
