ASTRINGENTS. 345 



as before. This will insure safety, with the benefits of the 

 arsenic, and an improved condition in both wind and body. 

 In Switzerland, and other parts of the world, arsenic is 

 relied upon for the cure of heaves in the horse. 



Fowler's Solution of Arsenic. — Made as ordered by 

 the colleges, contains four grains of arsenic, to the ounce of 

 the solution, or fluid. 



AsafcBtida. — This is a gum-resin, having a smell like 

 onions. Asafcetida is a stimulant and vermifuge, and is 

 given to horses for loss of ajij^etite, and to produce a fine 

 silken coat upon them. It is given to dogs, to expel 

 worins. Dose, for the horse and the cow, two drachms, 

 and for dogs, ten to twenty grains. 



Tincture. Where the stimulant effect is wanted, the 

 tincture is a good form, and is given in about the same 

 doses as the gum, for all animals. 



Asarabacca. — This is used in horses where matter is 

 lodged in the nares of the nose, and it is desirable that 

 it should be brought down ; and also in sheep and calves, 

 with faViria bronchi, or worms in the air passages. For 

 horses, blow a drachm up each nostril, out of a cone of 

 paper, taking care that the person does not inhale it 

 himself. For a flock of sheep, or a number of calves, 

 confine them in a close shed, Avith sufficient air, and throw 

 a considerable quantity among them, so the animals will 

 inhale it. Sneezing and snorting- take place, followed by 

 mucous, and small worms, from the nose. This action is 

 called errhine. 



Astringents. — Medicines Avhich are capable of drying 

 up discharges, whether from the bowels, or from a sore. 

 The principal medicines of this class are opium, tannin, 

 oak-bark and chalk. 



