74 Ofi^^^^flsof Opium 



In these experiments, , in Which the several 

 substanGjCs ,\^: ere taken into th^ human sto- 

 mach, a perfect analogy on the following- 

 points is established. 



1st. It is concluded, that ^n cncreased 

 action of the heart and arteries and energy of 

 the brain resulted from the action of opium, 

 aether, spirits of wine, and spiritus volatilis aro- 

 maticus taken, into the stomach. Vide 'Exp. 

 38, 39,. 40 & 41. 



2d. That in the course of ari hour or there- 

 abouts, after the ,a>dminisjtration of the above 

 several substances, the actions which tliey had 

 induced were diminished, and a state ofdebiHty 

 succeede4>r, : .yide lUisupiYi, 



3d. That an equal quantity ;of the same sub- 

 stance^ ^hich;lia4 once excited action in the 

 system, w^as inadequate on a second exhibition 

 to raise the action of the system to the same 

 point again. XX^q Ut supiHh & 43, 44. 

 .;. The. reiTiarksr which were made upon Dr. 

 Bard's experiment, are, in consequence of the 

 phoenomeaa ,p;resented by the last experiment 

 upon the hunian pulse, shewn to have been 

 Vjcry just,. fjS):r it is. there evident that the pulse 

 in the spa]ce of one hpur from the,^exhibition of 

 opium, had sunk down either to the natural 

 standard or below, after having; been enci^^feased 

 more than ten pulsation? in a minute. At this 



