2s MATERIA MEDICA. 



At present we know of no certain remedy 

 that will destroy bolts, though they often pass 

 off spontaneously. (See Compendium, Ve- 

 terinary Art, Worms. — See also Anthelmin- 

 tics in Pharmacopoeia.) 



It has been supposed, that worms are 

 sometimes generated in consequence of de- 

 bility in the digestive organs. Tonics have 

 therefore been recommended, particularly 

 the vegetable bitters, such as bark, worm- 

 wood, camomile, &c. When worms are dis- 

 covered in the horse's dung, after a fair trial 

 has been given to mercurial purgatives (es- 

 pecially if he appears to be weak, and inca- 

 pable of much work), it would be adviseable 

 to give tonic and cordial preparations, with 

 a generous diet : but, whenever this is 

 done, there must be proportionate exer- 

 cise. 



ANTIMONY. This is a heavy, shining, 

 brittle mineral, somewhat like black lead 

 when powdered, but of a darker colour. It 

 is common in Germany and France. A 

 small quantity is found in Cornwall, but not 

 sufBciently pure for medicinal purposes. 



Antimony is composed of a metallic sub- 

 stance termed t^egulus of antimony and sul' 



