[> sO g 
{ pivipe concuffions of the brain into three claffes. 3. Mor-- 
“tal ones. 2. Where there is recovery with infanity. And 3 
Where there is perfect recovery. From what has been faid it 
is evident that I had early made up my mind with refpe@ to 
trepanning in this complaint: Ihave fingled out two ftriking. 
cafes in point in fupport of my opinion. 
Casz XI.. A gentleman was thrown from: his horfe, and found : 
fpeechlefs and fenfelefs ; and in this condition was brought home. 
A phyfician was fent for, who immediately let blood; but find- 
ing the comatofe indifpofition continue a fra€ture was fufpected,. 
and I called upon. The integuments were very thin, he had 
been. clofe fhaved, and I could not be well decided. After. 
the moft critical inveftigation I was convinced there was- no 
tracture ; befides, his fymptoms.were the reverfe of thofe attend- 
ing a fraGure. Bleeding, blifters, fynapifms, . &c. fucceffively 
fucceeded each other; but he gained no ground., He remained 
for ten days after in the fame fituation, with frequent moan- 
ings, and without being capable of uttering a-word, though he . 
took nourifhment, drink, and whatever was offered him. About 
this time dawns of reafon and fymptoms of convalefcence ap- 
peared, and in avery fhort time he was reftored to perfeét fanity 
of. mind and body, and lived for many years after.. 
Case. Xil.. Mr. M..was thrown fronr his horfe, and pitched 
on the crown of his head on a ftone pavement. He. alfo re- 
ceived a contufed’ wound from a kick of the horfe on» the pof- 
terior part of the right parietal bone, which denuded the bone. 
He was taken up fenfelefs and fpeechlefs. He was profufely bled,’ 
and. 
