Hamgjlatics', ^59 
fined in Canals wichin the Nerves, or ads a* 
long their Surfaces like eledrical Powers, is 
not eafy to determine. 
z 6 . That a vibrating eledrical Virtue can 
be conveyed and freely ad with confidcrable 
Energy along the Surface of animal Fibres, and 
.therefore on the Nerves, is evident from curi- 
ous Experiments, made by that skilful and in- 
defatigable Experimenter Mr. Stephen Gray^ of 
which he has given an Account in the PhL 
Jofophical Tranja^t. Numb. 417. 4x2, where 
he (Iiows that eledrical Virtues from a Glafs 
heated by rubbing, will not only be conveyed 
along the Surface of Lines to very great 
Lengths, but will alfo be freely conveyed from 
the Foot to the extended Hand of a human 
Body fufpended by Ropes in a horizontal Pof- 
ture in the Air ; and alfo from that Hand to 
a long Filhing Rod held in it, and thence to 
a String and a Ball fufpended by it ; And alfo 
that an eledrical Virtue may he carried along 
a Surface of Water. 
27. And it has been frequently obferyed, that 
when fome part of the Body has upon itching 
been gently fcratched by the Nails, there has 
at the fame time been felt in a diftant part, a 
very pungent Stimulus Qi anfwering 
exadly 
