[27] Water boils at eighty degrees of this thermometer.

[28] Spirit of wine boils at 175.

[29] Transactions of Society for improving Medical Knowledge.

[30]

A pond’rous stone bold Hector heav’d to throw,
Pointed above, and rough and gross below;
Not two strong men th’ enormous weight could raise,
Such men as live in these degenerate days.
Iliad, B. xii.

[31] See [Sec. IV]. Preventives of the Plague.

[32] Herodotus says, that in his time the province of Babylonia produced commonly two hundred, and in plentiful years three hundred fold.

[33] Philos. Transact. vol. liv.

[34] See [Sec. i. p. 10].

[35] Ibid. [p. 12].