[297] Plutarch, On the Opinions of the Philosophers.
[298] Galen, On the Elements, etc., ii.
[299] Galen, Commentary on the Nature of Man.
[300] Idem, On the Elements, etc.
[301] Philo, on the Creation of the World.
[302] On the Indestructibility of the Universe.
[303] On the Creation.
[304] On a Contemplative Life.
[305] Haly Abbas, Theor., i., 5.
[306] Auscult. Natur., i., near the end.