Aqueous Vapour Atmosphere. 111 
point both at 52° It was with the greatest 
difficulty the guideand I found our way down, 
as we could not see objects more than 20> 
yards before us. The wind was strong, and 
we trusted to it as a guide, knowing its di- 
rection. The fog became rain below and we 
could see better. It was a fine hay-day in 
the country around. 
July 14.—On Helvellyn. 
Ht. above the Temp. 
adjacentvalley Temp. Dew- of 
& lake, inyds. of air. point. Water. 
6 P.M. Semmit........ BoB adeces 4B secre 4B overseers —— 
Mist and small rain. 
sss BrOWNrEg- ° 
ie em ; MA Dasari AS essenes4B cossorayt 1 
74....... In the Valley 0........ BF resaaches 5 Drcabsieas — 
Clouds about 200 yards up the mountain, and raining below. 
July 15. Morning, in the valley 57 ........ BAN as snads — 
Raining: clouds about 300 yards up the hill. 
—0.™0— 
1811.—Observations on the Pikes of Broad 
Craq.* 
(* This is the highest Land in the North of England. It is the 
middle of a range beginning with Great End at the North, and pro- 
seeding South till it ends with Sca-fell. Height, about 1100 yards. 
July 2d.—Morning pretty fine, but some 
distant thunder heard as we began to climb. 
We arrived at one of the Pikes, but the fog 
