33^ ESSAYS AND OBSERVATIONS 



affeded to the like degree, till above an 

 hour later. 



{Two Trials.') 



I next cut the fpinal marrow acrofs at 

 its middle, and then deftroyed, with a red 

 hot wire, the hind half of it ; and, 20 hours 

 after this, applied about a hundred drops 

 of the folution, on fcraped linen, to both 

 hind legs. After three hours, the animal 

 cried, when the fore part of it was touched. 

 After four hours, it began to be convulfed, 

 and the blood had ceafed from motion in 

 the hind feet. After eight hours, it fliew- 

 ed no outward fign of life. 



REMARKS. 



Th I s experiment demonflrates, that 

 opium can affedl animals univerfally, in 

 the moft violent degree, after all commu- 

 nication of the nerves to which the opi- 

 um is primarily applied, with the reft of 



the 



