2i6 ESSAYS AND OBSERVATIONS 



lus of the blood with which it is diftended, 

 contrads more feebly and at greater intervals, 

 till at laft it ceafes from motion altogether ? 



Art. 



£ofe of opium, owing, partly to the flower motion of the 

 fiuids in the fmall arteries^and fecretory veflels of the glands ? 

 Tho' it muft be confeffed, that the drynefs of the mouth 

 may be in fome meafure owing to the perfpiration being 

 greatly increafed by the opium. 



