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A word might be said in regard to diathermy. According to Zahn, the method of applying diathermy to the human eye is to take a layer of cotton wool 1 cm. thick soaked in a 2 per cent solution of sodium chlorid, which is applied close to the outside of the lids. On this is put an electrode 15 cm. in size with a large indifferent electrode applied to the back of the neck.

No evacuation of the bowels had taken place for over two weeks, and as the patient suffered from singultus and constant pain over the epigastric region, a light cathartic was given, which, in twenty-four hours, gave relief. The four frozen limbs were enveloped in a solution of zinc chlorid.

The chemist understands that the meaning of the guarantee of potash is the amount of potash that the potassium present in the potassium chlorid could be converted into.

Chlorid of lime was not used anywhere, and the foul privies immediately back of and adjoining the houses were permitted to stand in the condition in which they were found, so that the daily rains washed the excrement from them down under the floors to saturate further the already contaminated soil. When we returned from the front on July 9, we found the condition of the village worse than ever.

One of the synthetic hypnotics, where the dose required is small, may be used a few times and even a small dose of chloral should not be feared when sleep is a necessity and large doses of synthetics are inadvisable on account of the condition of the kidneys. The value of the Nauheim baths with sodium chlorid and carbonic acid gas still depends on the individual and the way that they are applied.

"If the soil contains any limestone, the acid should produce foaming, or effervescence," replied Percy; "but it is very evident that this soil contains no limestone. You see the hydrochloric acid has power to decompose calcium carbonate with the formation of carbonic acid and calcium chlorid, a kind of salt that is used to make a brine that won't freeze in the artificial ice plants.

The method of making this test is simple, and consists in placing a measured quantity of soil in a flask, to which is added a solution composed of 20% calcium chlorid and 2% zinc sulfid.

I have myself experimented somewhat, not with the administration of sodium chlorid by the mouth, but with the introduction by the bowel of fairly large quantities of physiologic salt solution in patients with glaucoma whose quantity of urinary secretion was markedly below the normal, and in one or two startling instances, which have been reported, achieved success in the rapid reduction of the intra-ocular tension when by this technic the urine secretion rose to the normal amount.

The medicinal constituents of the saline bath are sodium chlorid and calcium chlorid, the strength of each varying from 2 to 3 percent The baths at first arc given at a temperature of 95 F., and as the patient becomes used to them and can take them without discomfort, the temperature is gradually reduced. The patient remains in the bath from five to ten minutes.

"It may be well to keep in mind that when the druggist says potash he means potassium hydroxid, KOH, a compound of potassium, hydrogen, and oxygen, as the name indicates." "You mentioned the word chlorin," said Mr. Thornton. "That is another element?" "Yes, that is a very common element. Ordinary table salt is sodium chlorid: NaCl.