the Doctrine of Materialifm. 4t 
the Liver, which is attended with few and trifling 
fymptoms, (though a fatal difeafe) is the only 
confiderable inftance that I recollect; This only 
proves, in conjunction with many other facts, the 
little fenfibility of the liver, and confequently can 
be parallelled by no analogy with difeafes of the bafis 
of the brain. 
Though many of the hiftories already noticed, 
afford examples of very extenfive difeafes in the 
head, yet the argument would prefs more ftrongly. 
again{ft Materialifm, if it could be fhewed, that Men 
can think, with little, if any portion of the Brain- 
in a found ftate, The following cafes come nearer 
to this point than any | have heard of. In the 
diffection of a perfon who died apoplectic, and who. 
had been dull and heavy before his death, Tulpius 
found the brain flaccid, and the membranes covered 
with a fluid, which it was neceffary to take up with 
a fponge, ‘The ventricles of the brain contained a 
great deal of water, and the fpinal marrow was fo 
drenched, that the operator was obliged to {ponge 
it before he could examine into its condition.*/¢) 
F What 
* Addend. ad. Wepfer, de Apoplex. p. 600. 
(a) For the following very ftriking hiftory, I am indebted 
to the kind communication of Dr. Percival. “ was 
** born with a very large head; but feemed well in health, 
*‘increafed in ftrength, and grew fat. The head foon 
** became fo unnaturally large, and the features were fo 
** much altered,.as to leave no Soubt concerning the nature 
of 
