TORTOISE. 9 
walk about as well as before the brain was taken 
away. It advanced indeed in a boggling manner, 
as if groping its way, which it could now no longer 
see. In three days the wound was covered with 
new skin, and the tortoise lived, and continued 
all its ordinary motions, till the middle of May, 
nearly six months after it had been deprived 
of its brain. After death, a small black clot of dry 
blood was found in the cavity from which the brain 
had been taken out. He repeated this experiment 
on several tortoises, land, fresh-water, and even 
sea species, and they all continued to live, for longer 
or shorter times, after losing their brain. 
