114 Aqueous Vapour Atmosphere. 
Observations on Sca-Fell.* 
July 8th—Foggy on the mountain till 3 
P. M.; after fine and sunny. 
(* This is the South end of the high range of Pikes. It is only a 
part of a mile from the highest point of Broad Cragg ; but it is almost 
impossible to pass directly from one to the other, from a deep chasm in 
the range. We ascend this mountain from Wasdale. Its height is 
somewhat less than the highest pike: it may be stated at 1050 yards.) 
10 A.M. Wast-water—Head of the Lake—air 66° 
Ht. above the ._ Temp. 
lake Wast- Temp. Dew- of 
water, in yds. of air. point. Water, 
bag 2 Ar Spiing :...2: prenites.. Ck ee fi) es 482 
121... Another Spring’ 550.......,60 2.000.056. sscssees 43 
2to4 P.M. Summit 1000........ Seas See — 
GE cebvsnans Another 
Spring ¢ WOO sik tO Ol eeeee—s G56 scsvorech® 
= 
aha 2 sori 400 ver0e0es64 seseeeee6O soreeeec48 
pring 
Th... Wast wa- 
ter Lake. k Oi5....264 saseeeas srteteee roe 
*In fog at first, 60° when sunny. 
Remark.—W hen we arrived at the summit, 
and for some time previously, we were involy- 
ed in a thick fog. It continued for an hour 
or more, though we could at intervals see 
the sun through it. I was about to conclude, 
_ from repeated experience, that this range of 
high Pikes was eternally ‘covered with fog. 
In time however the sun burst through, and 
