MATERIA MEDICA AND THERAPEUTICS. 73 



For Vomiting in dogs : 



5 Ac. Carbolici, m iii. 



Tr. opii camph., 3 j 



Bismuthi snbnit, 3 j. 



Glycerini, 3 ss. 



Aq. Cinnamotni qs. ad., 3 jss. 

 M. Sig. — Teaspoonful every 2 or 3 hours. 



If the medicine is vomited, repeat every 15 minutes until a dose is re- 

 tained. 



For Diarrhoea in Dogs : 



5 Bismuthi Subnit. 



Cretse Praep. aa 3 j. 



Tr. Catechu Comp. 



Tr. Opii Camph. aa 3 vj. 



Aq. Cinnamomi, 3 ss. 



Mucil. Acaciee qs. ad. 3 "j- 

 M. Sig. — Two to four teaspoonfuls every two hours. 



Bismuth is best administered in mucilage of acacise or cap- 

 sules. 



ARSENUM— ARSENIC. 



Not used in the metallic state in medicine. 



ACIDUM ARSBNOSUM—Arsenous Acid, also called Ar- 

 senicum Alba or White Arsenic. 



This is dispensed as a heavy white powder. It is soluble in 

 1 in 100 parts cold water, and I in 20 parts boiling water ; always 

 stir while boiling. Shot is a mixture of metals containing 2 

 per cent of arsenic, and it is from the arsenic that benefit is de- 

 rived in giving shot to a horse for heaves. (A horse shark's 

 trick.) 



Dose of arsenous acid. — Horse, 1 to 6 grs. ; cattle, 2 to 8 

 grs. ; sheep and pigs, 1 to 2 grs. ; dogs, 1-60 to 1-10 grs. Give 

 well diluted. 



ARSBNI IODIDUM— Iodide of Arsenic. — An orange red, 

 crystalline solid, soluble in 7 parts water, used as an alternative 

 in skin diseases. It enters into Donovan's solution. 



Dose. — Horse, 2 to 6 grs. ; pigs, 1-7 to y$ grs. ; dogs, 1-60 to 

 1-10 grs. Give well diluted with some inert substance. 



LIQUOR ACIDI ARSENOSI— Solution of Arsenous Acid. 

 — The strength of all are the same ( 1 % ) . This contains 4.56 grs. 

 of arsenic to the oz. It is about the same as Fowler's solution, 

 but more irritating and less reliable. 



