X. _Detail of_ MR. T. POPLE.

A disagreeable sensation as if breaking out into a profuse

perspiration, tension of the tympanum, cheeks and forehead; almost

total loss of muscular power; afterwards increased powers both of

body and mind, very vivid sensations and highly pleasurable. Those

pleasant feelings were not new, they were felt, but in a less degree,

on ascending some high mountains in Glamorganshire.

On taking it the second time, there was a disagreeable feeling about

the face. In a fewseconds, the feelings became pleasurable; all the

faculties absorbed by the fine pleasing feelings of existence without

consciousness; an involuntary burst of laughter.

Researches Chemical and Philosophical; Chiefly concerning nitrous oxide or dephlogisticated nitrous air and its respiration · 第 115 / 136 题