Co) 
branches in the room of a fick per- 
fon, by cooling the air, which is 
owing to the evaporation of moif- 
ture; but I fhould now apprehend 
rather fome mifchief from them in 
a room whofe doors and windows — 
are fhut, and which is: not weil 
lighted. At any rate, I fhonld no 
more allow them to be kept in the 
night-time in the room of any of 
my own patients. Z 
Is it not fomewhat probable, that 
among thofe people who are found 
dead in their bed without ‘any pre- 
vious illnefs, fome may owe their un- 
timely end to fome fuch concealed 
caufe, which nobody ever fufpected 
~ to bein any way dangerous? 
But the mifchief which trees in 
reality do by night-time to the fur- 
rounding air, cannot do any ob- 
petyeable. harm to animals: for 
E 2 thofe 
