PHYSICAL ann LITERARY, 331 
From the preceeding experiments, we 
may, I think, fairly draw the sae 
conclufions. 
(a) Opium applied to the ibethaeal 
guts, cavity of the abdomen and thorax, 
_ and abdominal mufcles, foon leffens, and 
after fome time intirely deftroys all feel- 
4ng and power of motion, not only in the 
-parts to which it is applied, but through 
» the whole body, N° 1.2.3. 8. 11. and 
(8) Orrum produces thefe effets much 
_ more quickly in animals which are foon 
killed by want of food and air, than in 
‘thofe which can live long without them, - 
and the parts of whofe bodies preferve a 
power of motion and appearances of life 
_ for a confiderable time after they are fe- 
parated from each other. N° r. 3, ec, 
compared with N° 21.22. and 23. 
(c) Stncea {olution of opium injeed 
_ into the ftomach and guts deftroys the 
- fenfibility and moving power of frogs, 
fully as foon when they are deprived of 
heir heart, as when this organ remains 
“antouched; it follows, that opium applied 
t ; to 
