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 with uric acid therein, and of course the color will be more or lees varied by them. Fill a test-tube and slowly warm it, and if the sediment, the "brick-dust" of the quacks, be urate of ammonia, it will dissolve at once, but will again precipitate when allowed to cool. Place a portion of the deposit under the microscope, and you will find many large, round particles among countless smaller ones in this amorphous powder. But do not mistake the phosphate of lime for urate of ammonia. To test it, place a few drops on a bit of glass, and add one drop of hydrochloric acid thereto. If it is the above phosphate it will at once dissolve; but if it be the urate it will decompose slowly, and very small crystals of uric acid be developed. Great care must also be taken not to confound urate of ammonia with the earthy phosphates. Remember that these latter very soon settle at the bottom of the urinal vessel, but the former cannot do so until time has effected certain chemical changes. It is only the excess of the phosphates that marks disease, for they, especially phosphate of lime, are held in solution in all healthy urine, and only when in excess do they cause trouble and consolidate into gravel or stone, and these calculi are often the cause of death, or, which is worse, protracted misery. Warm a little of the urine, and add a few drops of ammonia, which will at once cause the phosphates to fall down, and so you can judge if they are in excess or not. Frequently the urine contains mucus, — a bad sign. It will settle in two viscid, dirty yellow, tenacious layers, the limpid fluid at the top, the sticky, ropy mass at the bottom, nor do they easily mix together when stirred or shaken. The urine often contains pus, indicating albumen also when tested in a tube with a drop or so of nitric acid, for it will coagulate and float about in flocculi. If albumen is absent, so is pus. But when this latter is present there is serious trouble in kidneys, bladder, urethra, and the whole pelvic viscera, and recourse must be had to entire change of locality, climate, food, etc., or else to a full course of phosogenic treatment, the use of fruits, cereals, and, above all, good beef underdone, without condiments other than salt, cayenne, and mushroom sauces.

It is estimated that the direct income of quackery and child-murder in this country exceeds fourteen millions of dollars annually, and at least one-third of this is derived from the real or imaginary victims of spermatorrhea in men and of finor albus in