RABIES AND STRONGYLUS TETRACANTHUS. 
277 
after being - taken from the yard where it had been the previous 
night and put into the stable. It stood stretched out in the 
stall with its head hanging low and trembling violently, espec¬ 
ially behind. There was a spasmodic contraction of*the mus¬ 
cles and the animal soon began to show symptoms of brain 
affection by placing its head against the manger and sides of 
the stall and pushing with great force. Trembling and spasms 
increased in severity until the animal was no longer able to 
retain the standing posture, when it fell down. 
When I arrived I found the following symptoms exhibited: 
Lying quietly and flat upon its side; respiration heavy and 
stertorous; pulse imperceptible; heart-beat seventy-four per 
minute ; passing urine involuntarily ; limbs rigid and stiff and 
jaws locked. 
Diagnosis .—Some affection of the brain ; probably a tumor 
or blood extravasation from a blow of some kind. 
Prognosis .—Death, which took place two hours later. 
Post Mortem next morning.—Body well nourished, small 
intestines filled with bloody looking serum and the mucous 
membrane greatly inflamed; caecum and large colon con¬ 
tained considerable faecal matter, were greatly distended with 
gas, and the mucous membrane, which appeared congested and 
thickened, presented numerous red or dark colored spots, each 
of which contained one or two small round parasites (stron- 
gylus tetracanthus). Other organs were healthy. 
I failed to find any lesion of the brain and I acknowledge 
my disappointment, for the symptoms presented certainly in¬ 
dicated an affection of that organ. I sent a few of the worms 
to Prof. Duncan of Toronto, Canada, who pronounced them 
as belonging to that form of nematode parasite above men¬ 
tioned. 
Case 2.— A horse belonging to W. Leist of Circleville, 
Ohio, became sick Feb. 24th, 1890. He was a gelding, in fair 
condition, and nearly four years old. The first symptoms no¬ 
ticed were spasmodic cramps, which seemed to be confined to 
the abdomen and were not unlike common spasmodic colic, al¬ 
though the animal appeared more nervous and excitable than 
in' an ordinary case of colic. I was called on the 25th, in the 
