[446] Aristotle: Physics, 223b, 24-26.
[447] Milton: Paradise Lost, Book VIII, l. 15-178.
[448] Harvey: Exercise to Riolanus, II, Syd. 132, l. 9-11; Op. Omn. 132, l. 2-3.
[449] Harvey: Exercise to Riolanus, II, Syd. 123, l. 21-33; Op. Omn. 123, l. 15-17.
[450] Aërem; i.e., aëriform vapor.
[451] Compare Aristotle: On Sleep and Waking, 457b, 29 to 458a, 5.
[452] Harvey: On the Motion, etc., VIII, Syd. 46, l. 25-33; Op. Omn. 48, l. 28 to 49, l. 2.
[453] Quatenus est elementaris.
[454] The goddess of the domestic fire.
[455] Compare Plato: Timæus, 48e to 50a; 54c to 62c, and 76c to 80d; Plato: Philebus, 28e to 30a.