[21] Pharmacologia, p. 21.
[22] Pharmacologia, pp. 23-4.
[23] Ibid. p. 28.
[24] Ibid. p. 62.
[25] Pharmacologia, pp. 61-2.
[27] Elements of the Philosophy of the Mind, vol. ii. ch. 4, sect. 5.
[28] "Thus Fourcroy," says Dr. Paris, "explained the operation of mercury by its specific gravity, and the advocates of this doctrine favoured the general introduction of the preparations of iron, especially in scirrhus of the spleen or liver, upon the same hypothetical principle; for, say they, whatever is most forcible in removing the obstruction must be the most proper instrument of cure; such is steel, which, besides the attenuating power with which it is furnished, has still a greater force in this case from the gravity of its particles, which, being seven times specifically heavier than any vegetable, acts in proportion with a stronger impulse, and therefore is a more powerful deobstruent. This may be taken as a specimen of the style in which these mechanical physicians reasoned and practised."—Pharmacologia, pp. 38-9.
[29] Pharmacologia, pp. 39, 40.
[30] I quote from Dr. Whewell's Hist. Ind. Sc. 3rd ed. i. 129.