826 PARASITIC DISEASES. 



is tolerably certain, as mentioned by Dr. Cobbold, that the larvss 

 of the Fasciola hejpatica exists only in the bodies of fresh-water 

 snails and small aquatic animalcules. Seeing this is the case, 

 and that salt marshes are exempt from the invasion of the 

 fasciola, would not the application of common salt to the land 

 be worthy of a trial. 



For sheep that are actually affected but little can be done, at 

 least in the way of a permanent cure. If the disease be slight, 

 its progress may be retarded, and the animals made fit for the 

 butcher, by removing them to a dry pasture, supplying them 

 liberally with food of a highly nutritious nature, and adminis- 

 tering salines and tonics. 



