(Oil of gaultheria, 50 c. c.; alcohol, 950 c. c.) Dose, 3 ss— 3 ij-

Oil of gaultheria has been proposed and used successfully as a substitute for salicylic acid in the treatment of rheumatism, gout, and affections dependent on these diatheses respectively. It is best given in the form of an emulsion, and it may be combined with other agents having corresponding powers.

Composition

Oil of thyme contains a hydrocarbon which, by fractional distillation, is resolvable into cymene and thymene. Its most important constituent is a solid crystalline substance, having acid properties and homologous with carbolic acid. This is known as thymol, or thymic acid. Dose, gr. ij—gr. x.