272 Veterinary Medicine. 



volatilizing less rapidly under heat, and in forming a black or- 

 orange instead of the canary yellow sulphide when subjected to a 

 stream of H^S. with gentle heat. Chloride of lime dissolves the 

 arsenic stain but has no effect on the antimonial one. 



Treatment. Avoid the causes. Employ the antidotes in small 

 doses once or twice daily. Check the diarrhoea by mucilaginous 

 agents, and nourish the animals well. 



POISONING BY PHOSPHORUS. 



From matches, rat poisons, fatal dose, horse, ox, pig, dog, chicken.. 

 Symptoms : Anorexia, dysphagia, swelled tongue, thirst, colic, emesis, 

 vomit phosphorescent, or bloody, diarrhoea, icterus, agalactia, trembling, 

 weakness, choreic spasms, hetnorrhages. Lesions : Buccal-gastro-intestinal 

 inflammation, fatty degeneration of epithelium, liver, kidneys, heart and 

 muscles, black blood, ecchymosis, hemorrhage, phosphoresceut ingesta. 

 Treatment : Emesis, stomach pump, oil of turpentine in mucilage. 



Phosphorus is usually taken in the form of matches or more 

 frequently as one of the pastes sold for the destruction of vermin. 

 Almost all of the latter contain i to 2 per cent, of phosphorus, in 

 combination with flour, sugar, and fatty or oily matters. The 

 lethal do.se of phosphorus is : Horse or ox 7 to 30 grains ; pig 2 

 to 4 grains ; dog ^ to i^ grain ; chicken Yi grain. 



Symptoms. Anorexia, dysphagia, swelling of the tongue, 

 intense thirst, colic, emesis in vomiting animals, vomited matters, 

 may shine in the dark, and may be tinged with blood, diarrhoea 

 is common though not con.stant, icterus, and suppression of the 

 milk. Trembling, weakness, acceleration of the pulse and breath- 

 ing and hyperthermia may be noted. Chickens have been noticed 

 to have choreic movements in walking. Hemorrhages are 

 common. 



Lesions. Inflammation of the mucosa of the alimentary canal 

 from the mouth to the stomach and intestines. Fatty de- 

 generation of the epithelium very noticeable in the gastric glands. 

 Enlargement and fatty degeneration of the liver and kidneys, 

 and degeneration of the heart and muscles. The blood is black 



