158 



VETERINARY LECTURES 



nature, not nearly enough of it is applied to the land. Every year 

 the above quantity, at least, should be put on the grazing land, lea 

 ground, and the meadows. This will not only check parasitic diseases 

 in horses and cattle, but will also prevent many of the insect ravages 



Fig. G. — Tubercular Spleen of Horse. 



i, i, i. Spleen. 2, 2, 2, 2. Tubercular deposits. 



and diseases of crops — as, for example, anbury or club root in 

 turnips. But to do good, a continued annual application is required. 



255. Colic (Plate XX. A). — Pure and simple colic may be denned 

 as a severe crampy pain in the belly, and is classed under three 

 different heads— viz., spasmodic, flatulent, and the two combined, 

 or spasmo-flatulent. The majority of complications found in 

 connexion with the abdominal organs are, however, accompanied 



