102 
The Rot in Sheep. 
visible on eithei- side. The general arrangement of the trunks 
and branches is very well depicted in the annexed engraving, 
Jig. 5. 
Fig. 5. 
Digestive System of the Distoma. Magnified. 
In this illustration, and also in the one following {fig. 6), 
a marks the oral sucker, b the oesophagus, and c its division into 
the two intestinal branches or parent trunks from which the 
others spring. 
In fig. 6, inserted overleaf, an attempt has been made to 
depict the arrangement of the muscular fibres at the origin of 
