Quintan
Continued
Causon
Putrid
Lipparia
Tertian
Quartan
Sextan
Synochus
Synochus causonides
Ethica
Erratica

Some of these names are still preserved in our nosologies of the
present day; others will be recalled by the memories of our older
physicians, and a few have totally disappeared from our modern medical
nomenclature.

Interpolated fevers are characterized by intermissions and remissions,
and thus include our intermittent and remittent fevers; synochus
depended theoretically upon putrefaction of the blood in the vessels,
and was a continued fever. Synocha, on the other hand, was occasioned
by a mere superabundance of hot blood, hence the verse:

"_Synocha de multo, sed synochus de putrefacto._"

Causon was due to putrefaction of bile in the smaller vessels of
the heart, diaphragm, stomach or liver, and was an acute fever
characterized by furred tongue, intolerable frontal headache, tinnitus
aurium, constant thirst, delirium, an olive-colored face, redness and