If there seems reasonable hopes of recovery, call in a qualified veterinary surgeon at once. Twenty grains of chloral hydrate, 25 grains each of potassium, iodide and bromide, in water, can be used in the meantime. PHOSPHORUS It is hardly necessary to go beyond mentioning the possibility of poisoning by this agent. It is a constituent of so-called "phosphor paste" largely used for the destruction of vermin, such as rats and mice. Dogs have been known to partake of it, usually ending in death. A most important matter is to avoid giving the dog any oily substances, if poisoned by this element. RAT AND OTHER VERMIN KILLERS We have already spoken of phosphorus being the active agent in some of these compounds. Barium and arsenic are likewise employed. Most of these being proprietary articles, their exact composition is not of any particular interest. Sickness, thirst, severe pain and prostration, are chief amongst the symptoms produced by such agents. Empty stomach with an emetic; give small doses of brandy in water, along with 40 grains of carbonate of bismuth, every three hours, or oftener. Keep dog quiet, and apply hot dry flannels to the belly continuously. LEAD The most likely method for lead-poisoning to occur in a dog is through the animal licking paint, or drinking out of a leaden vessel. It is an uncommon form of poisoning in the dog. Lead poisoning can be either "acute" or "chronic," and is denoted by colicky pains, constipation and a blue line around the gums. Paralysis and other nervo-muscular signs supervene. Give half an ounce of Epsom's salts until bowels are freely open, and later on, 5 grains of iodide of potash night and morning. Warm fomentations to belly. MERCURY Mercurial poisoning but seldom occurs, and when it does, it is chiefly the result of the continued medicinal use of the drug, or as an over-dose. Dogs seem particularly susceptible to the action of mercurial compounds, so that this drug requires to be given with circumspection. An excessive discharge of saliva from the mouth and loosening of the teeth are amongst the most prominent signs. PTOMAINE POISONING To this class belongs various organic poisons produced in food substances (fish, etc.), as the result of fermentative changes, arising through the presence of bacteria or other minute living organisms. Although cases of ptomaine poisoning are more frequently met with in the human subject, there is a possibility of the occurrence of such in the dog. Empty stomach with an emetic, say 20 grains of white vitriol and given in two tablespoonfuls of tepid water. CHAPTER XXII =Diseases of the Urinary Organs= DISEASE OF THE KIDNEYS--STONE IN THE BLADDER--INFLAMMATION OF THE BLADDER--STRICTURE OF THE URETHRA DISEASE OF THE KIDNEYS