[112] Note that drugs also have “natures”; cf. p. 66, [note 3], and pp. [83]-84.

[113] Pun here.

[114] Lit. physiology, i.e. nature-lore, almost our “Natural Philosophy”; cf. Introduction, p. [xxvi].

[115] The ultimate particle of Epicurus was the ἄτομος or atom (lit. “non-divisible”), of Asclepiades, the ὄγκος or molecule. Asclepiades took his atomic theory from Epicurus, and he again from Democritus; cf. p. 49, [note 5].

[116] Lit. Herculean stone.

[117] Lit. aetiology.

[118] Anadosis; cf. p. 62, [note 1].

[119] cf. p. [45].

[120] The vis conservatrix et medicatrix Naturae.

[121] cf. p. 61, [note 3]. The crisis or resolution in fevers was observed to take place with a certain regularity; hence arose the doctrine of “critical days.”