[ 54 ] 
finding it almoft quite gone, he was able to renew 
it, by the Application of a little more Warmth. 
CXXIII. 
The fame illuftrious. Author further allures ns, 
that he has fometimes cut the Heart of a Flounder 
tranfverfely, into two Parts j and freeing each from 
the Blood it contain’d, he obferved, for a confi- 
derable Time, that both of them together continued 
their former Contraction and Relaxation. And 
once, thus cutting one into feveral Pieces, he found, 
to his Surprize, that they not only moved as be- 
fore, but that even the Whole, thus feparated, long 
preferved the fame Succeffion of Motion, as appeared 
therein whilft coherent. 
CXXIV.- 
% 
Now can the <r Diaftole of the Heart, in thefe Ex- 
periments, be accounted for upon any other Prin- 
ciples than throfe we have laid down? Here was no 
Impulfe from the refluent Blood to dilate the Auri- 
cles, or to diftend the Ventricles. The Preflure of 
the Atmofphere was alfo quite taken away in the 
firft Experiment, and could not poflibly be of any 
Service in the laft 5 and yet the c DiaJtole continued. 
cxxv. 
Can the fame Fibres which are contracted, have 
it in their own Power to fly out again to th£jr 
ufual Lengths? If this cannot be, what Power 'is 
there 
