MATERIA MEDICA AND THERAPEUTICS. 203 



congestion of brain, kidneys, etc., externally much used, but of 



little value on hairy animals. 



Sweating mixture : 



R Tr. arnicae rad., 3 i., iss. or ii. 



Fl. Ex. pilocarpi, § ss. to i. 



Aq. qs. ad., Oj. or ij. 



M. Sig. — Give at one dose; repeat in 1V2 hour if necessary. Blanket 

 patient well with woolen blankets. 



For congestive chills ; start the treatment with the above 

 diaphoretic mixture internally ; a hypodermic injection of Spts. 

 Glonoin and apply a sharp counter-irritant liniment (see ammo- 

 nium), over almost the entire skin. 



Then put the horse on 



R- Tr. Arnicas Rad., 3 ii j .— ivss. 



Tr. Strophanti^, J iij. 



Spts. Aeth. Nit., B vj. — viij. 



Aq. qs. ad., 3 xxiv. 



M. Sig. — Two ounces in V2 pint of water every three hours. 



PILOCARPUS— JAB ORANDI 



ExTractum pilocarpi feuidum — Fluid Extract of Pilocar- 

 pus. 



Dose. — Horse, ^ toi oz. ; dogs, 15 ms. to 1 dr. 



Composition. — Contains two alkaloids, Pilocarpine (54 to 

 yi%) and Jaborine, these two alkaloids though isomeric are an- 

 tagonistic in action, also contains a volatile oil and a peculiar 

 acid. 



pilocarpi nae hydrocheoras— Pilocarpine Hydrochlorate. 



An alkaloid which occurs in minute white crystals, deliques- 

 cent, odorless and neutral in reaction, very soluble in water and 

 alcohol. 



Dose. — (Hypodermically) Horse, 2 to 5 grs. if given alone, 

 but 1 to 2 grs. at a dose is materially synergistic to eserine. Dog 

 (by the mouth) ^ to }i gr. (hypodermically) ¥ 1 T to \ gr. 



Antagonists and Incompatibles. — Belladonna or atropine is 

 directly ooposite in action to pilocarpus or pilocarpine. 



The caustic alkalies, persalts of iron and the salts of the 

 metals generally are chemically incompatible. 



