144 VETERINARY MATERIA MEDIC A. 



Thekapeutics. — Cardiac excitement — the potas- 

 sium bromide with digitalis. In epilepsy and chorea 

 of dogs; in acute rheumatism — the NH^Br as an al- 

 kali ; in muscular rheumatism — the LiBr. The bro- 

 mides are given to relieve spasms of various kinds, 

 to produce rest, quietude, and sleep — as in tetanus, 

 colic, cerebral and spinal congestion, etc. In dia- 

 betes mellitus— the NH.Br with As,03. The HBr 

 acid is given in irritable cough, etc., and in all cases 

 in which the bromides are indicated, except epilepsy. 



MOTOR DEPRESSANTS. 



Gelsemium— Yellow Jasmine. 



The rhizome and rootlets of Gelsemium sempervi- 

 rens, a climbing plant indigenous in the Southern 

 United States, of the natural order Loganiacese, and 

 containing an alkaloid known as gelsemine, in com- 

 bination with gelsemic acid; also a resinous sub- 

 stance and a volatile oil. 



Preparations. — Tinctura GelsemU, tincture of 

 yellow jasmine. Dose: H., fl. Sij.-viij.; D., fU x.- 

 fl. 3 i. 



Extractum Gelsemii Fluidum, fluid extract of 

 yellow jasmine. Dose: H., fl. 3 ss.-ij. ; D., ttj ij.-xx. 



Gelsemina, gelsemine. Dose: H., gr. :|-f; D., 



This alkaloid is soluble in alcohol, ether, and chlo- 

 roform, while its salts — the sulphate, nitrate, hydro- 



