PARASITES OF MUSCLE 117 
It is a filiform, spirally twisted worm, about 16 to 
18 inches in length. 
The tumours are from x inch to 2 inches in length, 
and somewhat egg-shaped. They occur principally 
in the neck and flexor tendons, particularly in the 
suspensory ligaments of the fore-limbs, in which case 
they set up chronic lameness. 
Treatment is excision. 
Sarcosporidiz.—These are Sporozoa, inhabiting mus- 
cular tissue or connective tissue. 
Balbiania Gigantea.—These Psorosperms may inhabit 
the connective tissue of the sheep, and also of the pig, 
ox, goat, and other animals. Their presence is mani- 
fested by the appearance of small nodules, varying 
from 2 millimetres up to I centimetre in diameter. 
The commonest positions in which the nodules may 
be met with are the cesophagus, bulb of the tongue 
and pharynx, neck, abdominal muscles and connective 
tissue, and the muscles of the thighs, especially the 
adductors. Each nodule consists of a thin envelope, 
containing a large number of sickle-shaped corpuscles 
or rounded bodies. 
Balbiania gigantea may produce epileptiform fits or 
asphyxia from spasm of the larynx or cedema of the 
pharynx. 
They are of chief importance to the meat-inspector. 
Sarcocystis Miescheri.—These parasites produce the 
so-called ‘‘ Miescher’s tubes ”’ in the muscles of the pig. 
In the flesh the parasites may be seen dotted about 
in various parts, and they may be just visible to the 
naked eye as small whitish, drawn-out specks, with the 
dark-coloured flesh as a background. 
When examined microscopically, the Sarcocyst is seen 
to be composed of a somewhat thick striated envelope, 
provided on the outside with numerous cilia, and con- 
taining a number of fusiform, comma-shaped or rounded 
