CESTODE TUBERCULOSIS. 
9 
They varied in length from three to six mm. The cysts were 
tightly embraced by the intercellular tissue in which they lay, 
but a little careful tearing was sufficient to disengage them. 
Microscopical examination showed the larvae to be in an advanced 
stage of development; in the majority the head, with its disks, 
was well formed; some were immature, and the head imper¬ 
fectly developed. 
The experiment was as successful as could be wished and we 
have procured a supply of measly veal. 
Among points of interest in connection with the case, the 
symptoms take the first place as the clinical history of the affec¬ 
tion has not been carefully studied in many instances. 
The severity of the symptoms in any case of cestode tuber¬ 
culosis will depend upon the number of ova ingested and the 
number of larvae which penetrate from the intestines to the sys¬ 
tem at large. The more numerous, the greater the constitutional 
trouble. If only a moderate number of ova are ingested, the ani¬ 
mal may not display any special symptoms. In Leuckart’s 
original experiment, the calf, three weeks old, received scarcely 
fifty ripe segments, but death followed on the twenty-fifth day, 
apparently caused by the eruption of the cysticerci throughout the 
body. In one of the calves of the Cobbold-Simonds series, over 
four hundred ripe segments were given during two months, yet 
the animal did not appear seriously ill. But when killed, it was 
estimated that over twelve millions of cysticerci were in the organs 
and flesh. In the present instance, the constitutional disturbance 
w T as slight and the fever moderate, and there was no special affec¬ 
tion of the muscular system. The normal temperature of the 
calf is about 103°, so that there was no fever until the second 
week, when the temperature ranged to nearly 105°; slight 
pyrexia kept up through the third, fourth and fifth weeks, and it 
was the persistence of this which led us to suppose that the ani¬ 
mal had become infected. There was no sudden rise of tempera¬ 
ture, such as might be supposed to occur at the period of migra¬ 
tion of the proseolices. In Zurn’s case,* which is the only one 
we can find with a carefully recorded clinical history, the tem- 
* Die Parasiten des Menschen Kuclieuraeister nnd zum 2te Auflage 1881. 
