sponge in the sun until all the moisture has evaporated. When an
operation is necessary, let the patient hold the sponge over his nose
and mouth until he goes to sleep, when the operation may be begun.
To awaken the patient after the operation, fill another sponge with
vinegar and rub the teeth and nostrils with the sponge, and put some
vinegar in the nostrils. An anaesthetic drink may also be prepared as
follows:

_R._

_Seminis papaveris albi et nigri,
Seminis lactucae, aa. ounce I.
Opii,
Misconis ( , poppy juice?)_, aa. scruples I-II, as
required.

The patient is to be aroused as before.

On folio 180d we find a chapter entitled "_De cathena gulae incisa
vel fracta_," and copied almost literally from the chapter "_De catena
gulae_" of Roger. In neither writer do I find any precise definition
of what the _cathena gulae_ is, though Roger says, _Si es gulae,
quod est catena, fractum fuerit_, etc., nor do I find the terms used
explained in any dictionary at present available. The description of
the treatment of this fracture seems, however, to indicate that the
_catena gulae_ of Roger and Gilbert is what we call the clavicle,
though the more common Latin names of this bone are _claviculus_,
_furcula_, _juglum_ or _os juguli_. Gilbert says: "But if the bone
which is the _cathena gulae_ is broken or in any way displaced
(_recesserit_), let the physician with one hand raise the forearm