490 Mr. schotte’s Journal of the 
The thermometer I have tiled is Fahrenheit’s made 
by wiLLcox and ccysgarne. It has been compared, 
fince my arrival in England with one made by ramsden, 
and found to be about three-fourths of a degree lower. 
It was placed in the fort at Senegal, in a room two ftories 
high with a blank deling, and above that a bevil roof 
covered with Hate: this room was not expofed to the 
Sun but at its riling and fetting, it being fheltered from 
it by other buildings, when high on the horizon. I am 
forry that I had not begun to keep the journal of heat 
and weather two or three months fooner, for the fatisfac- 
tion of the curious in natural philofophy ; but as it re- 
quired a degree of leifure which I had not, being obliged 
to attend to my duty, and as I obferved nothing extraor- 
dinary either in the heat or weather, and imagined that 
journals of this kind, and of this country, might have 
been publi fired in Europe long before now, I negleded 
it, but was tempted to keep it when the fatal difeafe made 
its appearance. 
It has been obferved by Dr. LIND fi) , that in that 
country a great change in the weather has little or no 
effedt on the barometer. I have remarked the fame at 
Fort James Gambia in the year 1776, for I found from 
the fourth of February to the laft of April, that the alte- 
(b) EfTa y on Difeafes incidental to Europeans in hot Climates. 
ration 
