Assafœtida and camphor were useful, and were administered in boluses.
He takes it for granted that they have swallowed his boluses and draughts.
Boluses (bol, L.) are prepared with the same ingredients, and in a similar manner to pills (which see).
And there are some boluses in the rat-trap; I will tell you to-morrow morning if the mouse is poisoned.
These 20 boluses being ...