Now the medicines _for injection_ are the juice of roses, and the roots of reeds, and oil, in which worms have been boiled, and the liquor of bitter almonds, or that, which is pressed from a peach kernel. The compositions for alleviating the inflammation and pain are generally these; of castor, poppy tears, equal quantities powdered, and afterwards mixed with passum. Or equal quantities of poppy tears, saffron, and myrrh are beat, rose oil and passum being added alternately. Or the bitter part of an Egyptian bean is powdered, and rose oil added to it: with which some also mix a little myrrh, or poppy tears, or frankincense with breast milk, or the juice of bitter almonds with rose oil. Or castor, myrrh, and poppy tears in equal quantities, with passum. Or of saffron p. i. *. myrrh, scissile allum, each p. iii. *. and in powdering these, three cyathi of passum are to be gradually mixed with them, and less than a cyathus of honey. This is one of the principal remedies. Or poppy tears with vinegar. We may also use Themison’s composition, which consists of castor, opopanax, poppy tears with vinegar, each p. ii. *. aphronitre p. iv. *. which being powdered are incorporated with passum, till they be of the consistence of cerate; and so laid by. When they are wanted for use, the medicine is again rubbed down by a pistil, with the addition of passum. This is a constant rule, whenever a medicine is too thick for dropping into the ear, that liquor must be added, with which it ought to be compounded, till it be sufficiently fluid. [Sidenote: _Of pus in the ears._]