140 VETERINARY MATERIA MEDIC A. 



tns; iu persistent vomiting due to irritation of the 

 vomiting centre; in diarrhoea and dysentery — usu- 

 ally with tincture kino or other vegetable astringent ; 

 gastritis, enteritis, peritonitis; muscular rheumatism ; 

 spasms, spasmodic colic; in cerebro-spinal menin- 

 gitis — to relieve pain and irritability; tetanus; in 

 diabetes mellitus — to reduce the quantity of sugar; 

 to relieve post-partum irritability and straining in 

 mares, cows, and bitches ; also to check premature 

 labor pains. Externally — as a local anodyne and sed- 

 ative, to relieve pain and irritability of wounds, 

 bruises, sores, etc., see Liquor Plumbi et Opii and 

 Plumbum ; applications of laudanum and soap lini- 

 ment to chest walls in pleurisy ; painful uterine affec- 

 tions — douches of hot water and laudanum. 



Bromine and Bromides. 



Bromum, bromine, is a liquid, non-metallic ele- 

 ment, having the symbol Br, and is obtained from 

 sea-water and certain saline springs. It is a dark, 

 reddish-brown, mobile liquid, evolving, even at or- 

 dinary temperature, a yellowish-red vapor highly ir- 

 ritating to the eyes and lungs, and having a peculiar, 

 suft'ocating odor, resembling that of chlorine. It is 

 soluble in 33 parts of water and very soluble in both 

 ether and alcohol. It is rarelj^ used medicinally ex- 

 cept by inhalation and as an escharotic. 



The Chief Preparations of Bromine used in 

 veterinary practice are: 



Potassii Bromidum, potassium bromide — KBr. 

 Colorless, translucent, cubical crystals, perrrianent in 



