on the Sagda and the Catochites, [111].
on the silver denarius of Antony, [110].
on the use of loadstone by glass-makers, [111].
on the shadow of a gnomon of a sun-dial at Rome, [213].
Plotinus, [218].
Plutarch, Claudius.
on the garlick fable, [32].
says something flammable exists in amber, [54].
his theory of circumpulsion, [3], [62].
polarity. See verticity.