( 5*5 ) 
glijh Mile?, or 6z French marine Leagues. So that go- 
ing down from Zuric Northwards towards the Sea, the 
Defcent, or Fall, is but fomething more than 12 Foor, 
for a marine League of France , if we fuppofea ftreight 
Line to be drawn from Zuric to the Sca-lhore in Hol- 
land j but it is much greater going Southward towards 
the Mediterranean, where it comes at leaft to 20 Foot 
for one League. Nay, if we confider that the high- 
eft Mountains of Swijferland lie almoft dire&ly be- 
tween Zuric and the Mediterranean Shores, we muft 
allow fo much more in Proportion, as thofe Mountains 
are elevated above the Horizon of Zuric , and how 
great and fudden this Elevation be, will appear by the 
following Obfervations. 
At Ennen Sewen gen Aweren in the Afcent 
of the high Mountain Freyberg , in the Canton of 
Qlarusy which lies South Eaft of Zuric , the Mercu- 
ry was obferved Sept- if 1710, at 23" 10'", which 
gives the Height of that Place above the Level of the 
Sea, according to 
Mariotte - - 5*69° 2' or 3416' 
Dr. Scheuchzer - 584 4 — 3508 
CaJJini - - - 712 3 — 4x75- 
Upon Scherfy one of the Branches of the Freybergy 
the Mercury fell Sept. 12, 1710, to zi" 8"', which gives 
the Height of that Part of the Mountain according to 
Mariotte * • 90 6° i' or 5*43 
Dr. Scheuchzer - - 931 2 or 5:5-88 
CaJJini * - - 1247 4 or 7486 
Still 
