a. (UN-1 7 b.)

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1721.  Cheyne, Ess. Gout, 22. By carrying out of the Habit, the more gross and unperspirable Remains of the Gouty Humour.

2

1733.  Arbuthnot, Ess. Effects Air, vi. 155. Bile, of it self, is the most unperspirable of Animal Fluids; it stops at the Surface of the Skin, and discolours it.

3