!»HYSICAL AND LITERARY. 32! 



plied immediately to itj that T fhould riot* 

 have again taken notice of this, but that 

 the very learned and ingenious Dr Haller 

 has denied the influence of opium over 

 the heart ; being deceived by finding that 

 the heart continued to move, after the 

 anihial feemed to be dead in other refpedls 

 by the adion of opium. 



4. As the animal w^as convulfed, and* 

 in a fhort time killed, by pouring the fo- 

 lution into the cavity of the abdomen af- 

 ter cutting out the heart, we have unde- 

 niable evidence that there is a poiTibld 

 way of applying opium, fo that it may 

 {)roduce thofe effects through the nerves 

 to which it is primarily applied, inde-: 

 pendent of its abforption and circulation 

 with the blood j as Dr Whytt, from a fi- 

 milar experiment, firfl endeavoured to 

 prove *. 



5.. The animal was iiot quite fo foori 



affecled with the opium after cutting off 



the heart, as vvhcn the heart vvas intire, 



partly becaufe there was little abforption 



Vol. III. Sf Of 



* Eflay ontherital motions, p. 37^* 



