Diarrhea has so many causes that remedies of entirely different action may be required in the different types. In fermentative diarrhea castor oil may be indicated, followed by a bland protective like bismuth subnitrate. In severe diarrhea camphor, lead acetate, or opium may be the needed remedy. The anti-diarrheics are: bismuth salts (subnitrate, subcarbonate, and subgallate), cerium oxalate, calcium carbonate (chalk), camphor, lead acetate, opium, the vegetable astringents, and castor oil. They are all studied in detail elsewhere. The Sun Cholera Mixture, N. F., contains in each teaspoonful 6 minims . (0.4 c.c.) each of the tinctures of capsicum and rhubarb, and 12

-minims (0.8 c.c.) each of the spirit of camphor, spirit of peppermint, tincture of opium and alcohol. Dose, 1/2 dram (2 c.c.).

Squibb's Diarrhea Remedy, N. F., is made of tincture of opium and spirit of camphor, each, 7 minims (o. 5 c.c.), tincture of capsicum,

.'4 minims (0.25 c.c.), chloroform, 5 minims (0.3 c.c.), and alcohol enough to make 1 dram (4 c.c.). Dose, 1/2 dram (2 c.c.). Pills of lead acetate, 2 grains (0.13 gm.), and powdered opium, 1 grain (0.06 gm.), are also employed. A favorite type of prescription in simple diarrhea is: bismuth subnitrate, 3 drams (12 gm.), camphorated tincture of opium, 1/2 ounce (15 c.c.), and sufficient chalk mixture to make 2 ounces (60 c.c.). Dose, a dessertspoonful every two or three hours, or after each movement of the bowels.