CHAPTER XII. 

 TOXICOLOGY. 



A KNOWLEDGE of the actions of, and symptoms produced 

 by, certain drugs and reagents, recognised in toxicology 

 under the term ' poisons,' is of great importance to the 

 veterinary practitioner. 



For a full account of the manner in which different poisons 

 may be absorbed into the system, and for the detailed 

 methods by which they may be detected, we must refer the 

 reader to such works as ' Taylor on Poisons,' or Dr. Tanner's 

 little work. 



Here we intend to treat of arsenical poisoning, acute and 

 chronic ; lead poisoning, acute and chronic ; and also, as 

 shortly as possible, of poisoning by antimony, corrosive 

 sublimate, hellebore, yew-tree foliage, opium, savin, bryony, 

 water drop-wort, euphorbium or spurge, and cantharides. 



ARSENICAL POISONING. 



This metallic poison is usually administered to the 

 horse in the form of arsenious trioxide, or common white 

 arsenic. 



This substance is very commonly given by labourers and 

 waggoners, and more rarely by grooms, in certain parts of 



