Active Ingredients. - The composition of Balsam of Tolu is very similar to that of Balsam of Peru, and, like the last-named, is chiefly represented in cinnameine, cinnamic acid, and resin. It is soluble in alcohol, ether, and the volatile and fatty oils. The soft balsam contains a large proportion of oil, but less acid than the dry and brittle kind.

Physiological and Therapeutic Actions. - These are similar to those of Balsam of Peru.

Preparations and Dose. - Syrup. Tolutanus,

- j. (20. -

40.); Tiuct. lolutana, 3 j. - ij- (4. - 8.); Tinct. Benz. Co. (external).